DENTAL HYGIENE BOARD REVIEW EXAM 3 |
DENTAL HYGIENIST| DENTAL HYGIENIST |
LATEST 2025-2026 QUESTION AND CORRECT
ANSWER WITH EXPLANATION WEST COAST
UNIVERSITY
1. Question
A 55-year-old patient with poorly controlled diabetes presents with
generalized 7–10 mm pocket depths, suppuration, and rapid attachment
loss. What BEST describes this condition?
A. Gingivitis
B. Stage III/IV periodontitis with systemic modifying factors
C. Reversible gingival inflammation only
D. Localized trauma
Correct Answer: B
Rationale: Severe generalized attachment loss with systemic disease
indicates advanced periodontitis with modifying factors.
2. Question
Which systemic condition MOST significantly alters periodontal
treatment outcomes and prognosis?
A. Asthma
B. Diabetes mellitus
C. Myopia
D. Migraine
Correct Answer: B
Rationale: Diabetes directly impacts immune response and healing.
3. Question
A patient presents with rapid periodontal destruction but minimal plaque
accumulation. What is the MOST likely diagnosis?
,A. Chronic periodontitis
B. Aggressive periodontitis
C. Gingivitis
D. Periapical abscess
Correct Answer: B
Rationale: Aggressive periodontitis shows rapid destruction with minimal
deposits.
4. Question
Which bacterial species is MOST strongly associated with aggressive
periodontal disease?
A. Streptococcus mutans
B. Aggregatibacter actinomycetemcomitans
C. Lactobacillus
D. Candida albicans
Correct Answer: B
Rationale: A. actinomycetemcomitans is a key pathogen in aggressive
forms.
5. Question
A patient requires periodontal surgery but is taking anticoagulants. What
is the MOST appropriate pre-operative step?
A. Stop medication immediately
B. Obtain INR and medical consultation
C. Proceed without evaluation
D. Increase antibiotic dosage
Correct Answer: B
Rationale: Bleeding risk must be assessed medically before surgery.
6. Question
What is the PRIMARY indication for regenerative periodontal therapy?
, A. Gingival inflammation
B. Intrabony defects with attachment loss
C. Tooth whitening
D. Minor plaque accumulation
Correct Answer: B
Rationale: Regeneration targets vertical bone defects.
7. Question
Which medication is MOST commonly associated with gingival
enlargement?
A. Phenytoin
B. Paracetamol
C. Ibuprofen
D. Metformin
Correct Answer: A
Rationale: Phenytoin is a classic cause of drug-induced gingival
overgrowth.
8. Question
A patient presents with necrotizing periodontal disease. What is the
FIRST step in management?
A. Immediate extraction
B. Debridement and antimicrobial therapy
C. Whitening
D. No treatment
Correct Answer: B
Rationale: Infection control is the priority.
9. Question
Which radiographic finding BEST indicates advanced periodontitis?
DENTAL HYGIENIST| DENTAL HYGIENIST |
LATEST 2025-2026 QUESTION AND CORRECT
ANSWER WITH EXPLANATION WEST COAST
UNIVERSITY
1. Question
A 55-year-old patient with poorly controlled diabetes presents with
generalized 7–10 mm pocket depths, suppuration, and rapid attachment
loss. What BEST describes this condition?
A. Gingivitis
B. Stage III/IV periodontitis with systemic modifying factors
C. Reversible gingival inflammation only
D. Localized trauma
Correct Answer: B
Rationale: Severe generalized attachment loss with systemic disease
indicates advanced periodontitis with modifying factors.
2. Question
Which systemic condition MOST significantly alters periodontal
treatment outcomes and prognosis?
A. Asthma
B. Diabetes mellitus
C. Myopia
D. Migraine
Correct Answer: B
Rationale: Diabetes directly impacts immune response and healing.
3. Question
A patient presents with rapid periodontal destruction but minimal plaque
accumulation. What is the MOST likely diagnosis?
,A. Chronic periodontitis
B. Aggressive periodontitis
C. Gingivitis
D. Periapical abscess
Correct Answer: B
Rationale: Aggressive periodontitis shows rapid destruction with minimal
deposits.
4. Question
Which bacterial species is MOST strongly associated with aggressive
periodontal disease?
A. Streptococcus mutans
B. Aggregatibacter actinomycetemcomitans
C. Lactobacillus
D. Candida albicans
Correct Answer: B
Rationale: A. actinomycetemcomitans is a key pathogen in aggressive
forms.
5. Question
A patient requires periodontal surgery but is taking anticoagulants. What
is the MOST appropriate pre-operative step?
A. Stop medication immediately
B. Obtain INR and medical consultation
C. Proceed without evaluation
D. Increase antibiotic dosage
Correct Answer: B
Rationale: Bleeding risk must be assessed medically before surgery.
6. Question
What is the PRIMARY indication for regenerative periodontal therapy?
, A. Gingival inflammation
B. Intrabony defects with attachment loss
C. Tooth whitening
D. Minor plaque accumulation
Correct Answer: B
Rationale: Regeneration targets vertical bone defects.
7. Question
Which medication is MOST commonly associated with gingival
enlargement?
A. Phenytoin
B. Paracetamol
C. Ibuprofen
D. Metformin
Correct Answer: A
Rationale: Phenytoin is a classic cause of drug-induced gingival
overgrowth.
8. Question
A patient presents with necrotizing periodontal disease. What is the
FIRST step in management?
A. Immediate extraction
B. Debridement and antimicrobial therapy
C. Whitening
D. No treatment
Correct Answer: B
Rationale: Infection control is the priority.
9. Question
Which radiographic finding BEST indicates advanced periodontitis?
