An Oral Hygiene Instruction SOAP note records the entire OHI encounter in a structured format: S for chief complaint and medical history, O for objective plaque, calculus, and patient-demonstrated brushing technique, A for assessment of plaque control and risk factors, and P for individualized instructions, referrals, and follow-up. Ensures consistency, facilitates peer review, and supports clinical decision-making. The page supplies ready-copy examples, a quick reference list of key topics, and formatting tips for seamless chart entry.
First Visit Routine Clean – General & Pediatric
First-time Adult, Routine Clean
SOAP note
SSubjective
40-year-old male, former smoker, NKDA, presents for first cleaning; says “Here for my first cleaning.” Medical history is otherwise unremarkable.
OObjective
Plaque index 45%; calculus on buccal surfaces of #15, #16, #22, #23; BOP 5% of sites; PD 2 mm on all teeth; no caries; periodontal chart normal; no radiographs taken.
AAssessment
Gingival health, supported by PD ≤ 2 mm, BOP ≤ 5%, and absence of attachment loss.
PPlan
Full-mouth prophylaxis performed with ultrasonic scaler and hand curettes; polishing with pumice and fluoride gel; oral hygiene instruction on brushing technique and interdental cleaning; no medications; next visit scheduled in 6 months for routine maintenance.
Pediatric, 6-Year-Old, First OHI
SOAP note
SSubjective
6-year-old female; “Mom says I need a cleaning”; smokes ~5 cigarettes daily; NKDA; no systemic signs.
OObjective
Plaque index 30%; calculus on buccal surfaces of primary teeth #K, #L, #M; BOP 10% of sites; PD 1.5 mm; no caries; primary teeth healthy.
AAssessment
Plaque-induced gingivitis – supported by plaque index, BOP, and probing depths ≤2 mm.
PPlan
Full-mouth prophylaxis performed with ultrasonic scaler, followed by polishing with fluoride gel; comprehensive oral hygiene instruction on brushing technique, interdental cleaning, and the importance of regular home care; parents counseled on reducing tobacco exposure and maintaining a smoke-free environment; scheduled next visit in 6 months for maintenance and re-evaluation of periodontal health.
Patient with Dental Sealants, OHI
SOAP note
SSubjective
21-year-old male, seasonal allergies, NKDA, states “I want a clean before my wedding.”
OObjective
Plaque index 25%; calculus on buccal surfaces of #11, #12, #21, #22; BOP 8 % of sites; PD 2 mm; no caries; periodontal chart normal.
AAssessment
Gingival health, supported by BOP <10 % and PD ≤2 mm with no attachment loss.
PPlan
Full-mouth prophylaxis performed, calculus removed from #11-#22, surfaces polished, fluoride varnish 5 % applied to all teeth; interdental brush OHI demonstrated; no drugs prescribed; patient advised to maintain twice-daily brushing and interdental cleaning; next visit scheduled for routine maintenance.
Patient with Fluorosis, OHI
SOAP note
SSubjective
38-year-old male, hypothyroidism on levothyroxine, penicillin allergy (rash), chief complaint: “I need a cleaning before my dental implant.” History: no systemic signs, no pain, no caries.
OObjective
Plaque index 40%; calculus on buccal surfaces of #15, #16, #22, #23; BOP 12% of sites; PD 2 mm; periodontal chart normal; no anesthesia used.
AAssessment
Plaque-induced gingivitis, supported by plaque index >30%, BOP 12%, and PD 2 mm without attachment loss.
PPlan
Full-mouth prophylaxis performed; polishing of all teeth; fluoride varnish 5% applied to all teeth; oral hygiene instruction on brushing technique and interdental cleaning; no medication prescribed; next visit scheduled for implant placement.
Patient with Geriatric Depression, OHI
SOAP note
SSubjective
22-year-old female, asthma on albuterol PRN, NKDA, CC: “I want a clean before my exam.” HPI: no pain, wants routine prophylaxis.
OObjective
Plaque index 35%; calculus on buccal surfaces of #11, #12, #21, #22; BOP 9% of sites; PD 2 mm; no caries; periodontal chart normal; extraoral and intraoral otherwise WNL.
AAssessment
Gingival health, supported by PD ≤2 mm, BOP <10 %, and absence of attachment loss.
PPlan
Full-mouth prophylaxis performed with polishing; fluoride varnish 5% applied to all teeth; OHI on brushing technique and flossing delivered; asthma control and oral hygiene discussed; no drugs prescribed; next visit scheduled for routine maintenance.
Patient with Dental Prosthesis, OHI
SOAP note
SSubjective
48-year-old male, takes low-dose aspirin, NKDA, complains “I need a cleaning before my dental prosthesis fitting”; medical history uncomplicated, no systemic signs.
OObjective
Plaque index 42%; calculus on buccal surfaces of #15, #16, #22, #23; BOP 11% of sites; PD 2 mm; no caries; periodontal chart normal; no anesthesia used.
AAssessment
Plaque-induced gingivitis supported by BOP 11% and calculus presence with PD 2 mm.
PPlan
Full-mouth prophylaxis performed with polishing; fluoride varnish 5% applied to all teeth; oral hygiene instruction on brushing technique and interdental cleaning; advised to monitor bleeding risk due to aspirin; no drugs prescribed; next visit scheduled for prosthesis fitting.
Patient with Dental Implant, OHI
SOAP note
SSubjective
27-year-old female, type 2 diabetes on metformin, NKDA, reports “I need a clean before my implant surgery.”
OObjective
Plaque index 38%; calculus on buccal surfaces of #15, #16, #22, #23; BOP 10% of sites; probing depths 2 mm; no caries; periodontal chart normal.
AAssessment
Plaque-induced gingivitis, supported by high plaque index, BOP, and shallow probing depths.
PPlan
Full-mouth prophylaxis performed; polishing of all teeth, fluoride varnish 5% applied to all surfaces; oral hygiene instruction on brushing technique and interdental cleaning; discussed glycemic control and its impact on implant healing; no medications prescribed; next visit scheduled for implant surgery preparation.
Teen, Braces, OHI
SOAP note
SSubjective
64-year-old female, no significant medical history, NKDA, reports “I have braces and need a cleaning.”
OObjective
Plaque index 50%; calculus on buccal surfaces of #11, #12, #21, #22; BOP 15% of sites; PD 3 mm on #11, #12, #21, #22; no caries; periodontal chart shows mild gingivitis around brackets.
AAssessment
Plaque-induced gingivitis, supported by 50% plaque, calculus on bracket surfaces, BOP 15%, and PD 3 mm.
PPlan
Full-mouth prophylaxis performed with ultrasonic scaler and hand curettes, followed by polishing and application of 5 % fluoride varnish to all teeth. Oral hygiene instruction emphasized use of orthodontic brush and interdental cleaning aids, with guidance on bracket-specific cleaning. No anesthesia or medication was used. Next visit scheduled for routine maintenance in 3 months.
Patient with Implant, OHI
SOAP note
SSubjective
23-year-old female, controlled hypertension on lisinopril, NKDA, reports “I need a cleaning before my implant placement.”
OObjective
Plaque index 44%; calculus on buccal surfaces of #15, #16, #22, #23; BOP 12% of sites; probing depths 2 mm; no caries; periodontal chart normal.
AAssessment
Plaque-induced gingivitis, supported by high plaque index, BOP, and shallow probing depths.
PPlan
Full-mouth prophylaxis performed with polishing; fluoride varnish 5 % applied to all teeth; oral hygiene instruction on brushing technique and interdental cleaning; discussed hypertension management and implant healing considerations; no medication prescribed; next visit scheduled for implant placement.
First Visit Routine Clean – Specialty & Medical
Patient with Orthodontic Retainer, OHI
SOAP note
SSubjective
63-year-old male, no significant medical history, allergic to penicillin (rash), chief complaint: “Here for my cleaning.”
OObjective
Plaque index 30%; moderate supragingival calculus; bleeding on probing 5 % of sites; probing depths 2 mm on all teeth; no systemic signs; anesthesia none.
AAssessment
Plaque-induced gingivitis, supported by 30 % plaque, 5 % BOP, and 2 mm PDs.
PPlan
Prophylaxis performed with ultrasonic scaling and hand polishing; fluoride varnish 5 % sodium fluoride applied to all teeth; oral hygiene instruction given; no drugs prescribed; next visit scheduled for routine maintenance.
Patient with Allergic Reaction to Chlorhexidine, OHI
SOAP note
SSubjective
19-year-old male, former smoker, NKDA, CC “I want to get my teeth cleaned before the exam.” HPI: no pain or swelling, wants routine prophylaxis.
OObjective
Plaque index 25%; light supragingival calculus on tooth #16; BOP 4% of sites; PD 2 mm on #16; no systemic signs.
AAssessment
Plaque-induced gingivitis, supported by 25% plaque, BOP 4% and shallow PDs.
PPlan
Prophylaxis performed on tooth #16; fluoride varnish 5% sodium fluoride applied to all teeth; OHI given on brushing and interdental cleaning; next visit in 6 months for maintenance.
Patient with Dental Trauma, OHI
SOAP note
SSubjective
80-year-old female, smoker 5 cigarettes/day, NKDA, reports “my molars feel gritty.” HPI: gradual onset of gritty texture, no pain or swelling. PMH: tobacco use only, no systemic disease.
OObjective
Plaque index 35%; heavy subgingival calculus on tooth #30; bleeding on probing 10% of sites; probing depth 4 mm on #30; recession 1 mm on #30. No extraoral or intraoral abnormalities noted.
AAssessment
Stage I periodontitis, grade B (smoking) – supported by 4 mm pocket depth, 10% BOP, heavy calculus, and 1 mm recession on tooth #30.
PPlan
Prophylaxis performed on tooth #30 with ultrasonic scaling; fluoride varnish 5% sodium fluoride applied to all teeth. No local anesthesia used. Patient instructed on proper brushing technique, interdental cleaning, and to reduce smoking. Advised to return in 3 months for periodontal maintenance.
Patient with Acute Pericoronitis, First Visit
SOAP note
SSubjective
74-year-old male, seasonal allergies, NKDA, reports “I have a sore spot near my molar.” History: first visit for routine clean, no prior periodontal treatment.
OObjective
Plaque index 40%; moderate supragingival calculus on tooth #14; BOP 15% of sites; PD 5 mm on #14; suppuration present; mild buccal swelling noted.
AAssessment
Periodontal abscess; Stage II periodontitis, grade A, supported by PD 5 mm, suppuration, BOP, and calculus.
PPlan
2% lidocaine with 1:100,000 epinephrine, 1.8 mL infiltration used. Scaling and root planing performed on quadrant 1 (maxillary left first and second molars); fluoride varnish 5% sodium fluoride applied to all teeth. Oral hygiene instruction given; patient advised to maintain twice-daily brushing, interdental cleaning, and to return in 4 weeks for re-evaluation.
Patient with Dental Trauma, Post-Restoration Care
SOAP note
SSubjective
70-year-old female, hypothyroidism on levothyroxine, allergic to penicillin (rash); CC: "My filling feels loose." HPI: Sensitivity to cold, marginal leakage on #19, carious margin exposed. PMH: hypothyroidism, allergy to penicillin.
OObjective
Restoration on #19 shows marginal leakage, carious margin exposed; BOP 5% around #19; PD 3 mm on #19; sensitivity to cold; no systemic signs.
Removed old restoration, placed new composite on #19; no anesthesia used; instructed patient on brushing technique, interdental cleaning, and to avoid very hot foods; advised return in 4 weeks for re-evaluation.
Patient with Chronic Kidney Disease, Diet-Focused OHI
SOAP note
SSubjective
56-year-old male, asthma on albuterol PRN, NKDA, CC: “I want to know how diet affects my teeth.” HPI: no pain, no swelling, seeks dietary guidance.
OObjective
Plaque index 20%; light supragingival calculus; BOP 3% of sites; PD 2 mm on all teeth; no systemic signs noted.
AAssessment
Plaque-induced gingivitis, supported by BOP <5% and PD ≤3 mm with light calculus.
PPlan
Provided diet-focused OHI, emphasizing reduction of sugary drinks and frequent snacking; applied 5% sodium fluoride varnish to all teeth; instructed on proper brushing and interdental cleaning; no medications prescribed; next visit in 3 months for maintenance.
Follow-Up and Re-Evaluation Visits
Follow-up, Gingivitis Re-evaluation
SOAP note
SSubjective
28-year-old male, takes daily low-dose aspirin, NKDA; chief complaint: “Here for my routine check-up and to see how my gums are doing”; no other symptoms.
OObjective
Plaque index 15 %; Bleeding on probing 12 %; probing depths 2–3 mm all sites; no clinical attachment loss, no suppuration, no mobility, no furcation involvement; systemic signs absent.
AAssessment
Plaque-induced gingivitis, supported by 15 % plaque index, 12 % BOP, shallow PDs, and absence of attachment loss.
PPlan
Reinforced oral hygiene instruction; no anesthesia or medication administered; scheduled next maintenance visit in 3 months.
Patient with Chronic Periodontitis, Re-evaluation
SOAP note
SSubjective
72-year-old male, type 2 diabetes on metformin, NKDA, reports “I still have some gum swelling and bleeding.”
OObjective
Probing depths 6 mm at #15, 5 mm at #16, 4 mm at #17; BOP 30 %; CAL 5 mm at #15, 4 mm at #16, 3 mm at #17; furcation I at #15; no suppuration, no mobility; plaque index 20 %; lower first molars examined, no new findings.
AAssessment
Stage II, Grade B periodontitis (diabetes) with persistent pocket depths and BOP.
PPlan
Prescribed chlorhexidine gluconate 0.12 % rinse, 15 mL, 30 sec, twice daily for 7 days; advised to maintain oral hygiene, avoid smoking, and return for scaling and root planing of lower first molars in the next visit.
Patient with Orthodontic Retainer, Maintenance Visit
SOAP note
SSubjective
62-year-old female, NKDA, reports “my retainer feels a bit loose and I want it cleaned”; no other symptoms.
OObjective
Retainer on #22-#23 in place; plaque index 20%; bleeding on probing 5%; probing depths 2 mm all sites; no caries, restorations, mobility, or furcation involvement.
AAssessment
Gingival health, supported by probing depths ≤2 mm, low BOP, and plaque index <25 %.
PPlan
Cleaned retainer; performed routine prophylaxis on #22-#23; applied 5% sodium fluoride varnish to #22; reinforced OHI for retainer care and oral hygiene; no medication prescribed; next visit in 6 months for maintenance.
Patient with Xerostomia, Follow-up After Saliva Substitute Trial
SOAP note
SSubjective
79-year-old female, controlled hypertension on lisinopril, NKDA, reports “My mouth still feels dry even after using the saliva substitute.” HPI: persistent xerostomia despite trial, difficulty swallowing.
OObjective
salivary flow 0.3 mL/min, plaque index 15 %, bleeding on probing 10 %, no oral lesions, no caries, no periodontal disease.
AAssessment
Xerostomia, supported by low flow rate, subjective dryness, and absence of lesions.
PPlan
Continue saliva substitute; counsel on increased water intake, use of sugar-free chewing gum, avoidance of alcohol and caffeine; schedule next visit in 4 weeks to reassess flow and comfort.
Patient with Geriatric Depression, First OHI Session
SOAP note
SSubjective
53-year-old male, no significant medical history, allergic to penicillin (rash); chief complaint: “I want to learn how to keep my gums healthy”; history: patient reports no pain or bleeding, but admits difficulty brushing; PMH: none; medications: none; allergies: penicillin rash.
OObjective
plaque index 25%; bleeding on probing 15%; probing depths 3 mm all sites; no caries, no periodontal disease, no mobility, no furcation involvement; extraoral and intraoral exams unremarkable; no radiographs taken.
AAssessment
plaque-induced gingivitis, supported by 15% BOP, 3 mm PD, and 25% plaque index, with no attachment loss or periodontal breakdown.
PPlan
provided oral hygiene instruction, demonstrated proper brushing and interdental cleaning; applied fluoride varnish to all teeth; prescribed chlorhexidine gluconate 0.12% rinse 15 mL, 30 sec, twice daily for 7 days; instructed patient to avoid brushing the treated area for 24 hrs; scheduled return visit in 4 weeks for re-evaluation.
Post-Procedure Care and Immediate Follow-Up
Smoker, 3-Day Post-Extraction
SOAP note
SSubjective
31-year-old female, former smoker, NKDA, presents for post-extraction follow-up of tooth #30; reports “I’m here to check on the extraction site from yesterday” and pain score 0/10.
OObjective
Extraction site shows healthy healing, pink mucosa, no drainage or swelling; probing depth 2 mm, no bleeding on probing; no pain reported; systemic signs none.
AAssessment
Stage I periodontitis, grade B (smoking) – findings of healthy healing and shallow probing depth support this diagnosis.
PPlan
No anesthesia or drugs given. Instructed to keep area moist, avoid rinsing for 24 h, use 0.12% chlorhexidine rinse twice daily, and return in 7 days for suture removal and healing assessment.
Patient with Cancer, Post-Radiation, OHI
SOAP note
SSubjective
60-year-old male, smoker 5 cigarettes/day, NKDA, chief complaint: “I’m here for my post-radiation oral hygiene instruction”; history: post-radiation therapy, no pain or swelling; medical history: none; allergies: none.
OObjective
Oral mucosa mild erythema, no ulceration; plaque moderate, BOP 15% of sites; vital signs WNL; no swelling, no pain; no anesthesia used.
AAssessment
Plaque-induced gingivitis, supported by moderate plaque, BOP 15%, mild erythema, and absence of ulceration or pain.
PPlan
Oral hygiene instruction: gentle brushing with soft-bristle brush, interdental cleaning, 0.12% chlorhexidine rinse 15 mL for 30 s twice daily, avoid alcohol-based rinses; advised smoking cessation, referred to cessation program; no medications prescribed; next visit in 4 weeks for reassessment.
Patient with Periodontitis, Stage III, OHI
SOAP note
SSubjective
37-year-old female, seasonal allergies, NKDA; CC: “I’m here for my post-periodontal surgery follow-up”; HPI: no pain, reports 1/10; PMH: none; Meds: none; Allergies: none.
OObjective
Surgical site on #14 shows healthy granulation tissue, pink mucosa, no suppuration; PD 3 mm, BOP 10% of sites; temperature 98.6 °F; no pain; anesthesia: none.
AAssessment
Stage III periodontitis, grade A – supported by PD 3 mm, BOP 10% and surgical healing status.
PPlan
Post-surgical care: avoid brushing #14 for 48 h; use 0.12% chlorhexidine rinse twice daily; apply cold compress if swelling; no medication prescribed; next visit in 10 days for suture removal and healing assessment.
Patient with Dental Implant, Post-Surgical Care
SOAP note
SSubjective
67-year-old male, hypothyroidism on levothyroxine, chief complaint: “I’m here to check on the implant site after surgery.”
OObjective
Implant site shows pink mucosa, no bleeding, no swelling; probing depth 1.5 mm, BOP 0%; pain 0/10; radiograph confirms correct implant position, no peri-implant radiolucency.
AAssessment
Implant site healing, no peri-implantitis, supported by pink mucosa, shallow probe depth, absence of BOP, normal radiograph.
PPlan
No anesthesia used. Patient instructed to brush gently with a soft-bristle brush, use a floss threader for interdental cleaning, avoid smoking, rinse with 0.12% chlorhexidine twice daily, and return in 4 weeks for maintenance check.
Patient with Periodontitis, Stage II, OHI
SOAP note
SSubjective
69-year-old female, asthma managed with albuterol as needed, NKDA, presents for her post-periodontal maintenance visit; she reports no pain, 0/10 on the numeric scale, and her temperature is 98.4 °F.
OObjective
Periodontal charting reveals probing depths of 2–3 mm on all sites around tooth #22, bleeding on probing (BOP) present in 8 % of sites, no suppuration noted, and a plaque score of 20 %. Vital signs are within normal limits, there are no systemic signs, and no local anesthesia was used during this visit.
AAssessment
Stage II periodontitis, grade A, is confirmed by pocket depths ≤3 mm, BOP <10 %, and plaque accumulation consistent with the diagnosis.
PPlan
Oral hygiene instruction was reinforced, emphasizing the use of a soft-bristle brush and an interdental aid for daily cleaning; the patient was instructed to rinse with 0.12 % chlorhexidine twice daily for 30 seconds, to avoid brushing the surgical area for 48 hours, and to report any bleeding or discomfort immediately. No medications were prescribed; the next appointment is scheduled in 3 months for routine maintenance.
Metabolic & Hormonal Conditions
Pregnant, 2nd Trimester, OHI
SOAP note
SSubjective
54-year-old female, pregnant, on low-dose aspirin, NKDA, presents with “I’m here for my first oral hygiene instruction during pregnancy.” PMH: pregnancy; no systemic signs reported.
OObjective
Plaque index 35% on all teeth; BOP 12% of sites; PD 2–3 mm on all teeth; no calculus, no caries, no pockets >4 mm.
AAssessment
Plaque-induced gingivitis, supported by BOP 12% and PD 2–3 mm with no deeper pockets.
PPlan
Provided OHI: brush twice daily with a soft-bristle brush, floss interdental, use 0.12% fluoride rinse twice daily; discussed pregnancy-safe fluoride use and importance of gingival health to reduce preterm birth risk. No anesthesia or medications administered. Next visit: routine follow-up in 4 weeks to reassess plaque control and gingival status.
Diabetic, HbA1c 8.2%, OHI
SOAP note
SSubjective
82-year-old female, type 2 diabetes on metformin, NKDA, CC: “I’d like to learn how to keep my gums healthy with my diabetes.” HPI: first OHI session, no pain, no systemic symptoms.
OObjective
Plaque index 40 %; BOP 18 % of sites; PD 2–3 mm; no calculus, no caries, no pockets >4 mm; systemic signs none; anesthesia none.
AAssessment
Plaque-induced gingivitis, supported by BOP 18 %, PD 2–3 mm, and plaque index 40 %.
PPlan
Oral hygiene instruction: brush twice daily with a soft-bristled brush, floss or use interdental brushes daily, rinse with 0.12 % chlorhexidine 15 mL for 30 s twice daily. Discussed glycemic control and its impact on periodontal health. Advised periodontal maintenance every 3 months. No drugs prescribed.
Patient with Chronic Kidney Disease, OHI
SOAP note
SSubjective
35-year-old female, NKDA, says “I have kidney disease and want to keep my teeth clean.” History shows no other significant medical issues.
OObjective
Plaque index 30%; BOP 10% of sites; PD 2–3 mm; no calculus, no caries, no pockets >4 mm; extraoral and intraoral otherwise normal.
AAssessment
Plaque-induced gingivitis, supported by 30% plaque, 10% BOP, shallow PDs, and absence of calculus or deep pockets.
PPlan
Oral hygiene instruction given: brush twice daily with a soft-bristle brush, floss interdental, use 0.12% fluoride rinse twice daily; discussed CKD-related periodontal risk and need for regular dental visits. No anesthesia or drugs administered. Next visit scheduled for routine review.
Patient with Sjögren’s, OHI
SOAP note
SSubjective
41-year-old female, chief complaint: “I have dry mouth from Sjögren’s and want to learn how to clean my teeth.” PMH: controlled hypertension on lisinopril, NKDA.
OObjective
Plaque index 45 %; BOP 20 % of sites; PD 2–3 mm; no calculus, no caries, no pockets >4 mm.
AAssessment
Plaque-induced gingivitis, supported by high plaque index, BOP, and shallow PDs.
PPlan
Provided oral hygiene instruction: brush twice daily, use floss or interdental brushes, rinse with 0.12 % fluoride twice daily. Discussed saliva substitutes, sugar-free chewing gum, and routine check-ups to prevent periodontal disease. No drugs prescribed. Next visit: routine review in 3 months.
Patient with Chronic Pain, OHI
SOAP note
SSubjective
76-year-old female, allergic to penicillin (rash); CC: “I have chronic pain and want to learn how to keep my gums healthy.” HPI: chronic pain medications noted; PMH: none. O: plaque index 38%; BOP 15% of sites; PD 2–3 mm; no calculus, no caries, no pockets >4 mm; extraoral and intraoral otherwise WNL. A: plaque-induced gingivitis, supported by BOP 15%, PD 2–3 mm, plaque index 38%, and absence of deeper pockets or calculus. P: Provided OHI—brushing twice daily, interdental flossing, 0.12% fluoride mouth rinse twice daily; advised sugar-free chewing gum to mitigate medication-induced xerostomia; scheduled next visit in 3 months for reassessment.
Autoimmune & Immune-Related Conditions
Patient with Systemic Lupus, OHI
SOAP note
SSubjective
50-year-old male, former smoker, NKDA, says “I want to make sure I’m brushing properly and keep my gums healthy.” PMH includes systemic lupus; no current systemic signs.
OObjective
Plaque score 35 % O’Leary; BOP 12 % of sites; PD 2–3 mm, no pockets >4 mm; no calculus on buccal surfaces; gingival margin at CEJ, no recession; no mobility, no suppuration; no caries; PA radiographs show no periapical pathology.
AAssessment
Plaque-induced gingivitis, supported by BOP ≥10 % and PD ≤3 mm with no attachment loss.
PPlan
Oral hygiene instruction delivered: soft-bristled brush, modified Bass technique, floss interdental cleaning; advised 0.12 % chlorhexidine rinse 15 mL for 30 s twice daily for 7 days; tobacco cessation counseling; no drugs prescribed; next visit in 4 weeks for re-evaluation.
Patient with HIV, OHI
SOAP note
SSubjective
61-year-old male, smoker 5 cigarettes/day, NKDA, CC: “I’ve noticed my gums bleed a lot when I brush.” HPI: intermittent bleeding, no pain or swelling, no systemic symptoms. O: plaque score 42 %; BOP 18 % of sites; PD 2–3 mm, no pockets >4 mm; no buccal calculus; gingival margin at CEJ; no recession, mobility, suppuration, or caries; PAN shows no periapical lesions. A: plaque-induced gingivitis, evidenced by high plaque index, BOP, shallow PDs, and lack of periodontal breakdown. P: performed OHI—demonstrated proper brushing with interdental brush; instructed chlorhexidine 0.12 % rinse 15 mL twice daily for 7 days; emphasized regular visits; no anesthesia or medication; scheduled re-evaluation in 4 weeks.
Patient with Osteoporosis, OHI
SOAP note
SSubjective
34-year-old male, seasonal allergies, NKDA, chief complaint: “I’m worried about bone loss and want to keep my teeth healthy”; medical history unremarkable, no systemic signs, no medications.
OObjective
Plaque score 30 %; BOP 10 % of sites; PD 2–3 mm, no pockets >4 mm; no calculus, gingival margin at CEJ, no recession, no mobility, no suppuration, no caries; PAN shows no periapical pathology.
AAssessment
Plaque-induced gingivitis, supported by 30 % plaque, 10 % BOP, shallow PDs, and healthy periodontium.
PPlan
No anesthesia used. Oral hygiene instruction given: brush twice daily with soft-bristled brush, floss interdental surfaces; demonstrated technique; prescribed chlorhexidine 0.12 % rinse 15 mL twice daily for 7 days; advised low-refined-sugar diet; scheduled return in 4 weeks.
Patient with Bruxism, OHI
SOAP note
SSubjective
25-year-old female, hypothyroidism on levothyroxine, allergic to penicillin (rash); CC: "I grind my teeth at night and my gums feel sore"; HPI: reports nocturnal bruxism, morning gum soreness; PMH: hypothyroidism; no known drug allergies besides penicillin; no systemic signs.
OObjective
Plaque score 28%; BOP 9% of sites; PD 2–3 mm, no pockets >4 mm; no calculus, recession, mobility, suppuration, or caries; gingival margin at CEJ; panoramic radiograph shows no periapical pathology.
AAssessment
Plaque-induced gingivitis, supported by plaque score, BOP, and shallow PDs without attachment loss.
PPlan
Provided OHI on brushing technique and interdental cleaning; advised custom night guard referral to prosthodontist; instructed to avoid hard foods; scheduled re-evaluation in 4 weeks.
Patient with TMD, OHI
SOAP note
SSubjective
49-year-old female, asthma, NKDA, reports “I have jaw pain and my gums bleed when I brush”; history of asthma controlled with albuterol as needed.
OObjective
Plaque score 36%; BOP 15% of sites; PD 2–3 mm, no pockets >4 mm; no calculus, recession, mobility, suppuration, caries; gingival margin at CEJ; panoramic radiograph shows no periapical pathology.
AAssessment
Plaque-induced gingivitis, supported by high plaque score, BOP, shallow PDs, and absence of deeper pathology.
PPlan
Oral hygiene instruction given: brush twice daily, floss interdental cleaning; demonstrated technique; advised chlorhexidine 0.12% rinse 15 mL twice daily for 7 days; discussed TMD exercises and stress management; next visit scheduled in 4 weeks.
Other Medical and Behavioral Conditions
Elderly, Limited Dexterity, OHI
SOAP note
SSubjective
73-year-old female, chief complaint: “I need help brushing my teeth.” Medical history: daily low-dose aspirin, NKDA. HPI: reports difficulty with manual dexterity; no pain or systemic symptoms.
OObjective
Plaque index 35%; Bleeding on probing 15% of sites; no subgingival calculus detected; extraoral and intraoral findings WNL; no swelling or erythema.
AAssessment
Plaque-induced gingivitis, supported by high plaque index, BOP at 15%, and absence of periodontitis findings.
PPlan
Oral hygiene instruction delivered: modified toothbrush technique demonstrated, interdental aid (soft-bristle floss or interdental brush) recommended, fluoride varnish 5% sodium fluoride applied to all teeth. No anesthesia used. Patient verbalized understanding; next visit scheduled in 3 months for maintenance and reassessment.
Patient with Medication-Induced Dry Mouth, OHI
SOAP note
SSubjective
77-year-old female, type 2 diabetes on metformin, NKDA, reports “My mouth feels dry all the time.”
OObjective
Salivary flow 0.2 mL/min; plaque index 40 %; bleeding on probing 20 % of sites; no extraoral or intraoral abnormalities noted; no radiographs taken.
AAssessment
Xerostomia with plaque-induced gingivitis, supported by low salivary flow, high plaque index and BOP.
PPlan
Provided OHI on sugar-free lozenges, saliva substitute use, and fluoride varnish 5 % sodium fluoride application; no medication prescribed; advised twice-daily brushing with a soft-bristle brush, interdental cleaning, and to avoid dry foods; scheduled next visit in 4 weeks for reassessment.
Patient with Allergic Rhinitis, OHI
SOAP note
SSubjective
33-year-old female, NKDA, reports “I have a runny nose and my gums bleed when I brush.” Medical history unremarkable; no systemic signs.
OObjective
Plaque index 30%; Bleeding on probing 18% of sites; no calculus detected; extraoral and intraoral otherwise within normal limits.
AAssessment
Plaque-induced gingivitis, supported by plaque index >25% and BOP at 18% of sites.
PPlan
Provided oral hygiene instruction, advised nasal steroid therapy for allergic rhinitis, applied fluoride varnish 5% sodium fluoride to all teeth; instructed to avoid brushing during bleeding episodes and to maintain twice-daily brushing with a soft-bristled brush; scheduled next OHI visit in 4 weeks.
Patient with Dental Anxiety, OHI
SOAP note
SSubjective
44-year-old female, controlled hypertension on lisinopril, NKDA, CC: “I’m nervous about brushing and flossing.” HPI: reports anxiety about oral hygiene; no pain, no swelling.
OObjective
Plaque index 25%; Bleeding on probing 12% of sites; no systemic signs noted; extraoral and intraoral otherwise within normal limits.
AAssessment
Plaque-induced gingivitis, supported by 25% plaque index and 12% BOP.
PPlan
Provided oral hygiene instruction emphasizing relaxation techniques and interdental brush use; applied fluoride varnish 5% sodium fluoride to all teeth; advised patient to practice guided breathing during brushing, use a soft-bristle brush, and floss with an interdental brush twice daily; scheduled next OHI in 4 weeks.
Patient with Xerostomia, OHI
SOAP note
SSubjective
58-year-old female, no significant medical history, allergic to penicillin (rash); chief complaint: "My mouth feels dry and I get cavities." History: reports persistent xerostomia; no systemic symptoms.
OObjective
Salivary flow 0.1 mL/min; plaque index 45%; bleeding on probing 22 % of sites; extraoral and intraoral otherwise within normal limits; no pain or swelling noted.
AAssessment
Xerostomia with plaque-induced gingivitis, supported by low salivary flow, high plaque index and BOP.
PPlan
Oral hygiene instruction delivered: use saliva substitute as needed, apply fluoride varnish 5 % sodium fluoride; no drugs prescribed. Patient understood instructions, agreed to follow up in 4 weeks for reassessment.
Definition of Oral Hygiene Instruction and Its Role in the SOAP Note
Oral hygiene instruction (OHI) is a structured, clinician-delivered education session that teaches patients proper brushing, flossing, and adjunctive techniques tailored to their risk profile and functional ability. OHI directly improves plaque control, reduces gingival inflammation, and lowers the incidence of caries and periodontal disease, thereby enhancing long-term oral health outcomes. In the SOAP framework, OHI is captured as a clinical activity: the Subjective section records the patient’s oral-health concerns and history; the Objective notes plaque scores, brushing technique, and any observed deficiencies; the Assessment summarizes the patient’s plaque control status and risk factors; the Plan outlines individualized instructions, referrals, and follow-up.
Common Patient Scenarios
First-time Adult, Routine Clean – S: patient reports no pain, PMH includes hypertension, NKDA. O: plaque index 25 %, calculus on lower molars, BOP 5 %. A: plaque-controlled, low-risk periodontitis Stage I, Grade A. P: reinforce twice-daily brushing, flossing, fluoride varnish, return in 6 months for prophylaxis.
Pediatric, 6-Year-Old, First OHI – S: child complains of “tooth ache” after eating candy, no systemic issues. O: visible plaque on all surfaces, mild gingival erythema, no calculus. A: developing enamel, risk of early caries, gingivitis Stage I, Grade A. P: teach “two-minute” brushing with pea-size fluoride toothpaste, use interdental brush, schedule next visit in 3 months.
Smoker, 3-Day Post-Extraction – S: patient reports mild soreness, smokes 20 cigarettes/day, no allergies. O: healing socket, slight bleeding on probing, plaque accumulation around adjacent teeth. A: healing progressing, high-risk periodontitis Stage II, Grade C due to smoking. P: advise cessation, chlorhexidine rinse, gentle brushing, avoid smoking for 48 h, follow-up in 1 week.
Diabetic, HbA1c 8.2 %, OHI – S: patient states “stomach pain” after meals, on metformin, NKDA. O: plaque index 30 %, calculus on molars, BOP 10 %. A: uncontrolled diabetes, periodontitis Stage II, Grade C. P: coordinate with physician, reinforce glycemic control, intensive plaque removal, fluoride varnish, next visit in 4 weeks.
Pregnant, 2nd Trimester, OHI – S: patient reports “tight gums” after brushing, no pain, NKDA. O: gingival inflammation, plaque 20 %, no calculus. A: pregnancy gingivitis Stage I, Grade A. P: use soft-bristle brush, gentle technique, avoid chlorhexidine, schedule re-evaluation in 1 month.
Elderly, Limited Dexterity, OHI – S: 78-year-old female reports difficulty brushing, no pain, on aspirin, NKDA. O: plaque 35 %, calculus on molars, BOP 15 %. A: reduced manual dexterity, periodontitis Stage II, Grade B. P: recommend electric toothbrush, interdental brushes, teach use of floss threaders, fluoride varnish, follow-up in 6 months.
Typical SOAP Content for an Oral Hygiene Instruction Visit
SOAP note
**S:** Record the patient’s chief complaint in their own words, note any pain descriptors, and document relevant medical history, medications, and allergies.
**O:** Measure plaque index, note calculus presence, record bleeding on probing (percentage), and observe the patient’s brushing technique and ability to use interdental aids.
**A:** Summarize plaque control status, assign a periodontal risk category (e.g., Stage I, Grade A), and identify modifiable risk factors such as smoking or uncontrolled diabetes.
**P:** Provide individualized brushing instructions (e.g., “two-minute, circular motion, use a soft-bristle brush”), recommend adjunctive tools (interdental brush, floss threader), prescribe fluoride varnish or chlorhexidine rinse if indicated, and schedule the next visit (e.g., prophylaxis in 6 months or re-evaluation in 1 month).
Plan Variations for Oral Hygiene Instruction
Apply a 5 % sodium fluoride varnish to all tooth surfaces, instruct the patient to avoid brushing and hard foods for 4 hours, and schedule a prophylaxis in 6 months.
Provide a written home-care guide that includes brushing twice daily with a soft-bristle brush, flossing once daily, and using an interdental brush, then arrange a follow-up in 3 months to assess technique.
Refer the patient to a smoking cessation program, document the referral details, and advise a 48-hour smoking abstinence period before the next visit.
Prescribe a chlorhexidine 0.12 % rinse, 15 mL for 30 seconds twice daily for 7 days, and instruct the patient to avoid rinsing with mouthwash containing alcohol during the course.
Schedule a periodontal maintenance visit in 4 weeks, noting the purpose is to reassess plaque control, bleeding on probing, and to reinforce adjunctive oral hygiene aids.
Adapting the Note for Patient-Specific Factors and Special Needs
Pediatric patients: note “CC: child reports ‘tooth ache’ after candy.” In O record plaque on all surfaces, mild gingival erythema, no calculus. In A state “developing enamel, risk of early caries, gingivitis Stage I, Grade A.” In P instruct “two-minute brushing with pea-size fluoride toothpaste, use interdental brush, schedule next visit in 3 months.”
Geriatric patients: include “PMH: hypertension, aspirin 81 mg daily.” In O document plaque 35 %, calculus on molars, BOP 15 %. In A note “reduced manual dexterity, periodontitis Stage II, Grade B.” In P recommend “electric toothbrush, interdental brushes, floss threaders, fluoride varnish, follow-up in 6 months.”
Compliance issues: if patient admits “I forget to floss,” in P add “provide written home-care guide, set reminder on phone, review technique at next visit.” If patient is highly compliant, in P add “encourage maintenance of current routine, consider adding interdental brush if not already used.”
Medical history – anticoagulants: in S list “PMH: warfarin 5 mg daily.” In O note no bleeding on probing. In A state “stable anticoagulation, low risk for bleeding.” In P advise “continue warfarin, avoid extractions, schedule prophylaxis in 6 months, monitor INR if indicated.”
Medical history – diabetes: in S record “HbA1c 8.2 %.” In O note plaque 30 %, BOP 10 %. In A state “uncontrolled diabetes, periodontitis Stage II, Grade C.” In P add “coordinate with physician, reinforce glycemic control, intensive plaque removal, fluoride varnish, next visit in 4 weeks.”
Special-needs – limited dexterity: in P recommend “electric toothbrush with large handle, interdental brush, floss threader, teach use of a “floss holder.”
Special-needs – cognitive impairment: in P include “simplify instructions to one-step, use visual aids, involve caregiver, schedule shorter visits, review technique each visit.”
Quick Reference to Essential Oral Hygiene Instruction Topics
Checklist for the Objective Section of an OHI Visit
Record plaque index as a percentage or score.
Note calculus presence and distribution.
Document bleeding on probing (BOP) as a percentage of sites.
Observe and record the patient’s brushing technique (angle, strokes, duration).
Assess interdental aid use and technique (floss, interdental brush, threader).
Verify mouth rinse use and type (chlorhexidine, fluoride, saline).
Inspect oral mucosa for lesions, erythema, or ulceration.
Note status of any dental appliance (prosthesis, retainer, implant).
Confirm the patient’s ability to demonstrate the instructed technique.
Formatting Tips for Copy-Paste into Charting Systems
Use plain text with line breaks and clear labels: S:, O:, A:, P:, each on its own line, so the system parses without formatting conflicts.
Keep the note under 200 characters per line; avoid wrapping that creates new paragraphs in the chart.
End each section with a colon and a space before the content (e.g., S: CC: “no pain” PMH: hypertension NKDA:) so the charting engine recognizes the field.
Insert a single tab or two spaces before the first word after the colon to separate the label from the text, ensuring the note stays in one line per field.
Copy the entire block, including the line breaks, into the chart’s free-text area; the system will paste each section as a distinct field.
These examples show structure and wording only. Record what you actually found and did, and follow your practice’s documentation requirements.
Dr. Rahul Joshi is a Specialist Orthodontist with extensive clinical experience in orthodontics, dentofacial orthopaedics, and dental aesthetics. Holding a Master of Dental Surgery (MDS) in Orthodontics and Dentofacial Orthopaedics and a Bachelor of Dental Surgery (BDS) from Manipal Academy of Higher Education, he brings expertise in orthodontic treatment planning, teeth alignment, and Invisalign treatment. With professional experience across India and the Netherlands, Dr. Joshi combines clinical knowledge with practical experience in orthodontic care, dental aesthetics, and improving patients' oral health.
Master of Dental Surgery (MDS) in Orthodontics and Dentofacial Orthopaedics — Manipal Academy of Higher Education
Bachelor of Dental Surgery (BDS) — Manipal Academy of Higher Education
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