EXAM NEWEST 2026 TEST BANK| COMPLETE 400 REAL
EXAM QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+| DANB
GENERAL CHAIRSIDE EXAM PREP 2026 (BRAND NEW!!)
1. In the universal tooth numbering system, which tooth is the
maxillary left central incisor?
A) #7
B) #8
C) #9
D) #10
Answer: C
Rationale: In the universal numbering system, #1 is the maxillary
right third molar, numbering continues across the maxillary arch
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,to #16 (maxillary left third molar). #9 is the maxillary left
central incisor. #8 is the maxillary right central incisor .
2. Which classification of carious lesions occurs on the
occlusal surfaces of posterior teeth?
A) Class I
B) Class II
C) Class III
D) Class V
Answer: A
Rationale: Class I carious lesions occur in pits and fissures on
occlusal surfaces of posterior teeth, buccal or lingual pits of
molars, and the lingual surfaces of anterior teeth. Class II involves
proximal surfaces of posterior teeth .
3. When assisting a right-handed dentist, in which zone
should the high-volume evacuator (HVE) be positioned?
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, A) 7 to 9 o'clock
B) 9 to 12 o'clock
C) 12 to 2 o'clock
D) 2 to 4 o'clock
Answer: B
Rationale: For a right-handed operator, the assistant sits at 8 to
10 o'clock. The transfer zone is 4 to 7 o'clock, and the static zone
is 12 to 2 o'clock. The HVE is typically held in the assistant's left
hand and positioned to retract tissue and evacuate debris .
4. What is the purpose of inverting the edges of a dental dam?
A) To prevent the dam from tearing
B) To prevent saliva leakage
C) To make the dam easier to place
D) To improve patient comfort
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, Answer: B
Rationale: Inverting the dental dam involves turning the edges of
the dam holes under the margins of the isolated teeth. This
creates a seal that prevents saliva from seeping into the
operating field, ensuring proper moisture control .
5. Which instrument is used to remove subgingival calculus?
A) Chisel
B) Excavator
C) Curette
D) Explorer
Answer: C
Rationale: A curette is a periodontal instrument with a rounded
back and toe designed for subgingival scaling and root planing.
It is used to remove calculus deposits below the gingival margin
without damaging tissue .
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