CALIFORNIA DENTAL BOARD EXAM WREB ADEX
LATEST UPDATED 2026 2027 REAL EXAM WITH
COMPLETE QUESTIONS & CORRECT VERIFIED
ANSWERS 100% ANSWERS WITH RATIONALES
ALREADY GRADED A+ BRAND NEW
1. The most common cause of postoperative sensitivity following a Class II
composite restoration is:
A. Polymerization shrinkage
B. Microleakage
C. Inadequate curing
D. Occlusal trauma
Answer: B
Rationale: Microleakage allows fluid movement in dentinal tubules, leading to sensitivity.
2. Which nerve provides sensory innervation to the maxillary molars?
A. Infraorbital
B. Greater palatine
C. Posterior superior alveolar
D. Nasopalatine
Answer: C
Rationale: The posterior superior alveolar nerve innervates maxillary molars and
premolars.
, 3. The primary etiologic factor in chronic periodontitis is:
A. Calculus
B. Occlusal trauma
C. Plaque biofilm
D. Host immune response
Answer: C
Rationale: Plaque biofilm initiates the inflammatory process leading to periodontitis.
4. Which restorative material has the highest compressive strength?
A. Composite resin
B. Glass ionomer
C. Amalgam
D. Resin-modified glass ionomer
Answer: C
Rationale: Dental amalgam has superior compressive strength compared to other direct
materials.
5. The ideal water-to-powder ratio for gypsum products primarily affects:
A. Color
B. Setting expansion
C. Taste
D. Radiopacity
Answer: B
Rationale: Water-to-powder ratio directly influences setting expansion and strength.
6. The most reliable sign of irreversible pulpitis is:
A. Sharp pain to cold
B. Pain to percussion
C. Lingering spontaneous pain
D. Radiographic widening of PDL
Answer: C
Rationale: Spontaneous, lingering pain indicates irreversible pulp inflammation.
LATEST UPDATED 2026 2027 REAL EXAM WITH
COMPLETE QUESTIONS & CORRECT VERIFIED
ANSWERS 100% ANSWERS WITH RATIONALES
ALREADY GRADED A+ BRAND NEW
1. The most common cause of postoperative sensitivity following a Class II
composite restoration is:
A. Polymerization shrinkage
B. Microleakage
C. Inadequate curing
D. Occlusal trauma
Answer: B
Rationale: Microleakage allows fluid movement in dentinal tubules, leading to sensitivity.
2. Which nerve provides sensory innervation to the maxillary molars?
A. Infraorbital
B. Greater palatine
C. Posterior superior alveolar
D. Nasopalatine
Answer: C
Rationale: The posterior superior alveolar nerve innervates maxillary molars and
premolars.
, 3. The primary etiologic factor in chronic periodontitis is:
A. Calculus
B. Occlusal trauma
C. Plaque biofilm
D. Host immune response
Answer: C
Rationale: Plaque biofilm initiates the inflammatory process leading to periodontitis.
4. Which restorative material has the highest compressive strength?
A. Composite resin
B. Glass ionomer
C. Amalgam
D. Resin-modified glass ionomer
Answer: C
Rationale: Dental amalgam has superior compressive strength compared to other direct
materials.
5. The ideal water-to-powder ratio for gypsum products primarily affects:
A. Color
B. Setting expansion
C. Taste
D. Radiopacity
Answer: B
Rationale: Water-to-powder ratio directly influences setting expansion and strength.
6. The most reliable sign of irreversible pulpitis is:
A. Sharp pain to cold
B. Pain to percussion
C. Lingering spontaneous pain
D. Radiographic widening of PDL
Answer: C
Rationale: Spontaneous, lingering pain indicates irreversible pulp inflammation.
