DENTAL HYGIENE BOARD REVIEW EXAM 2 |
DENTAL HYGIENIST| DENTAL HYGIENIST |
LATEST 2025-2026 QUESTION AND CORRECT
ANSWER WITH EXPLANATION WEST COAST
UNIVERSITY
1. Question
A 60-year-old patient presents with generalized Stage III periodontitis,
probing depths of 6–8 mm, and furcation involvement. Scaling and root
planing alone has shown limited improvement. What is the NEXT MOST
appropriate step?
A. Whitening treatment
B. Periodontal surgical referral for flap access surgery
C. No further treatment
D. Immediate full-mouth extraction
Correct Answer: B
Rationale: Advanced periodontitis with persistent deep pockets often
requires surgical access for effective debridement.
2. Question
Which pharmacologic agent is MOST commonly prescribed as an adjunct
in periodontal therapy for aggressive infection control?
A. Amoxicillin + metronidazole
B. Paracetamol only
C. Antihistamines
D. Antacids
Correct Answer: A
Rationale: Combination antibiotics are used in aggressive or refractory
periodontitis.
3. Question
,A patient is prescribed chlorhexidine mouth rinse post-scaling. What is
the MOST common side effect?
A. Enamel whitening
B. Tooth staining and altered taste
C. Bone regeneration
D. Increased salivary flow
Correct Answer: B
Rationale: Chlorhexidine commonly causes brown staining and taste
alteration.
4. Question
Which surgical periodontal procedure is used to reduce pocket depth by
reshaping bone?
A. Gingivectomy only
B. Osseous resective surgery
C. Fluoride therapy
D. Crown lengthening only
Correct Answer: B
Rationale: Osseous surgery reshapes alveolar bone to reduce pockets.
5. Question
A diabetic patient presents with poor healing after periodontal therapy.
What is the MOST likely cause?
A. Excess fluoride
B. Poor glycemic control
C. Excess brushing
D. Salivary increase
Correct Answer: B
Rationale: Uncontrolled diabetes impairs wound healing.
6. Question
, What is the PRIMARY goal of periodontal flap surgery?
A. Tooth whitening
B. Direct access to root surfaces and bone for debridement
C. Cosmetic reshaping
D. Enamel restoration
Correct Answer: B
Rationale: Flap surgery allows deep cleaning of roots and bone.
7. Question
Which antibiotic is MOST commonly used in periodontal infections
involving anaerobic bacteria?
A. Metronidazole
B. Paracetamol
C. Ibuprofen
D. Loratadine
Correct Answer: A
Rationale: Metronidazole targets anaerobic periodontal pathogens.
8. Question
A patient develops gingival enlargement while on anticonvulsant therapy.
Which drug is MOST likely responsible?
A. Phenytoin
B. Aspirin
C. Insulin
D. Amoxicillin
Correct Answer: A
Rationale: Phenytoin causes drug-induced gingival overgrowth.
9. Question
What is the MOST important indication for periodontal surgery?
DENTAL HYGIENIST| DENTAL HYGIENIST |
LATEST 2025-2026 QUESTION AND CORRECT
ANSWER WITH EXPLANATION WEST COAST
UNIVERSITY
1. Question
A 60-year-old patient presents with generalized Stage III periodontitis,
probing depths of 6–8 mm, and furcation involvement. Scaling and root
planing alone has shown limited improvement. What is the NEXT MOST
appropriate step?
A. Whitening treatment
B. Periodontal surgical referral for flap access surgery
C. No further treatment
D. Immediate full-mouth extraction
Correct Answer: B
Rationale: Advanced periodontitis with persistent deep pockets often
requires surgical access for effective debridement.
2. Question
Which pharmacologic agent is MOST commonly prescribed as an adjunct
in periodontal therapy for aggressive infection control?
A. Amoxicillin + metronidazole
B. Paracetamol only
C. Antihistamines
D. Antacids
Correct Answer: A
Rationale: Combination antibiotics are used in aggressive or refractory
periodontitis.
3. Question
,A patient is prescribed chlorhexidine mouth rinse post-scaling. What is
the MOST common side effect?
A. Enamel whitening
B. Tooth staining and altered taste
C. Bone regeneration
D. Increased salivary flow
Correct Answer: B
Rationale: Chlorhexidine commonly causes brown staining and taste
alteration.
4. Question
Which surgical periodontal procedure is used to reduce pocket depth by
reshaping bone?
A. Gingivectomy only
B. Osseous resective surgery
C. Fluoride therapy
D. Crown lengthening only
Correct Answer: B
Rationale: Osseous surgery reshapes alveolar bone to reduce pockets.
5. Question
A diabetic patient presents with poor healing after periodontal therapy.
What is the MOST likely cause?
A. Excess fluoride
B. Poor glycemic control
C. Excess brushing
D. Salivary increase
Correct Answer: B
Rationale: Uncontrolled diabetes impairs wound healing.
6. Question
, What is the PRIMARY goal of periodontal flap surgery?
A. Tooth whitening
B. Direct access to root surfaces and bone for debridement
C. Cosmetic reshaping
D. Enamel restoration
Correct Answer: B
Rationale: Flap surgery allows deep cleaning of roots and bone.
7. Question
Which antibiotic is MOST commonly used in periodontal infections
involving anaerobic bacteria?
A. Metronidazole
B. Paracetamol
C. Ibuprofen
D. Loratadine
Correct Answer: A
Rationale: Metronidazole targets anaerobic periodontal pathogens.
8. Question
A patient develops gingival enlargement while on anticonvulsant therapy.
Which drug is MOST likely responsible?
A. Phenytoin
B. Aspirin
C. Insulin
D. Amoxicillin
Correct Answer: A
Rationale: Phenytoin causes drug-induced gingival overgrowth.
9. Question
What is the MOST important indication for periodontal surgery?
