National Board Exam #2 Questions and
Answers 100% Pass
The facial surface of maxillary and mandibular first primary molars has:
-buccal pit
-apical curvature of a CEJ on the mesial half
-two cusps of equal size
-pointed mesiobuccal cusp - ✔✔apical curvature of the CEJ on the mesial
All of the following would improve the visual appearance of the radiographic image,
EXCEPT one. Which one is the EXCEPTION?
A. Large focal spot
B. Long focal spot to object distance
C. Short object to film distance
100% Pass Guarantee Olivia West, All Rights Reserved © 2025 1
,D. Parallel object and film relationship
E. Perpendicular x-ray beam to film and object relationship - ✔✔large focal spot
Which of the following would be the BEST projection to image the developing
permanent maxillary lateral incisors of a 7-year-old child?
-periapical
-Horizontal bitewing
-vertical bitewing
-topographical occlusal
-cross-sectional occlusal - ✔✔topographical occlusal
T/F-related?
Nonsteroidal anti-inflammatory drugs (NSAIDS) have an anesthetic effect in
periodontal therapy because they have been shown to inhibit bone loss. - ✔✔Statement
is NOT correct, the reason is correct
T/F:
100% Pass Guarantee Olivia West, All Rights Reserved © 2025 2
,Calculus is readily removed from dental implants because there is no interlocking or
penetration of the deposit with the implant surface.
Instrumentation of dental implants should be restricted to supragingival deposit
removal. - ✔✔Both are true
How should mouth protectors be cleaned?
A. Using same technique as denture bases
B. With dilute bleach solutions for infection control
C. With dilute hydrogen peroxide
D. With cool soap and water solutions
100% Pass Guarantee Olivia West, All Rights Reserved © 2025 3
, E. With ultrasonic agitation in a baking soda solution - ✔✔With cool soap and water
solutions
Which of the following procedures the shiny surface on a dry polished dental
amalgam?
-fine cutting of the surface
-smear layer of amalgam debris
-mercury released by melting the matrix phase
-heat hardening of the surface phases - ✔✔Mercury released by melting the matrix
phase
T/F-related?
While performing CPR on an adult, the appropriate depth of chest compressions is 1 ½
to 2 inches because deeper compressions may cause damage to surrounding tissues and
organs. - ✔✔Neither statement NOR reason is correct
Which of the following organisms is NOT associated with halitosis?
A. Porphyromonas
100% Pass Guarantee Olivia West, All Rights Reserved © 2025 4
Answers 100% Pass
The facial surface of maxillary and mandibular first primary molars has:
-buccal pit
-apical curvature of a CEJ on the mesial half
-two cusps of equal size
-pointed mesiobuccal cusp - ✔✔apical curvature of the CEJ on the mesial
All of the following would improve the visual appearance of the radiographic image,
EXCEPT one. Which one is the EXCEPTION?
A. Large focal spot
B. Long focal spot to object distance
C. Short object to film distance
100% Pass Guarantee Olivia West, All Rights Reserved © 2025 1
,D. Parallel object and film relationship
E. Perpendicular x-ray beam to film and object relationship - ✔✔large focal spot
Which of the following would be the BEST projection to image the developing
permanent maxillary lateral incisors of a 7-year-old child?
-periapical
-Horizontal bitewing
-vertical bitewing
-topographical occlusal
-cross-sectional occlusal - ✔✔topographical occlusal
T/F-related?
Nonsteroidal anti-inflammatory drugs (NSAIDS) have an anesthetic effect in
periodontal therapy because they have been shown to inhibit bone loss. - ✔✔Statement
is NOT correct, the reason is correct
T/F:
100% Pass Guarantee Olivia West, All Rights Reserved © 2025 2
,Calculus is readily removed from dental implants because there is no interlocking or
penetration of the deposit with the implant surface.
Instrumentation of dental implants should be restricted to supragingival deposit
removal. - ✔✔Both are true
How should mouth protectors be cleaned?
A. Using same technique as denture bases
B. With dilute bleach solutions for infection control
C. With dilute hydrogen peroxide
D. With cool soap and water solutions
100% Pass Guarantee Olivia West, All Rights Reserved © 2025 3
, E. With ultrasonic agitation in a baking soda solution - ✔✔With cool soap and water
solutions
Which of the following procedures the shiny surface on a dry polished dental
amalgam?
-fine cutting of the surface
-smear layer of amalgam debris
-mercury released by melting the matrix phase
-heat hardening of the surface phases - ✔✔Mercury released by melting the matrix
phase
T/F-related?
While performing CPR on an adult, the appropriate depth of chest compressions is 1 ½
to 2 inches because deeper compressions may cause damage to surrounding tissues and
organs. - ✔✔Neither statement NOR reason is correct
Which of the following organisms is NOT associated with halitosis?
A. Porphyromonas
100% Pass Guarantee Olivia West, All Rights Reserved © 2025 4
