and Answers
/. When assisting a right-handed operator, the assistant delivers and retrieves the
instruments using:
A. The right hand
B. The left hand
C. Either hand
D. The assistant's dominant hand - Answer-B. The left hand
/.A ________ forms when two developmental centers join together.
A. Groove
B. Fissure
C. Pit
D. Fossa - Answer-C. Pit
/.The process by which a tooth breaks through the gingival and moves into functional
space is referred to as:
A. Exfoliation
B. Apposition
C. Eruption
D. Proliferation - Answer-C. Eruption
/.Cells responsible for the formation of enamel are referred to as:
A. Ameloblasts
B. Enameloblasts
C. Odontoblasts
D. Dentinoblasts - Answer-A. Ameloblasts
/.The process by which deposits of calcium are laid down and the cusps and the various
surfaces are formed is referred to as:
A. Cementoblasts
B. Calcification
C. Osteoblasts is
D. Dentinogenesis - Answer-B. Calcification
/.A pulpotomy is the:
,A. Partial removal of the pulp
B. Complete removal of the pulp
C. Removal of necrotic tissue
D. A and C - Answer-D. Partial removal of the pulp & removal of necrotic tissue
/.The _________ test requires the application of a light source to the tooth to determine
small fractures in the crown of the tooth.
A. Heat
B. Transillumination
C. Fiber-optic
D. Percussion - Answer-B. Transillumination
/.The following are part of a partial denture EXCEPT:
A. Clasp
B. Saddle
C. Occlusal rim
D. Framework - Answer-C.
/.A custom tray is:
A. Fabricated to be used only on the patient it is fitted for
B. Fabricated to extend over the tuberosities
C. Shaped to relieve the labial frenum attachments
D. All of the above - Answer-D.
/.Vitamin ______ promotes healing of the gingival tissues & maintains overall soft tissue
health. - Answer-C
/.The vitamin that aids in the clotting of blood is vitamin: - Answer-K
/.The simplest form of sugar that is utilized by the body is called: - Answer-Glucose
/.Retraction cord the contains epinephrine is used to:
A. Decrease inflammation after the final impression
B. Decrease and control bleeding prior to taking the final impression
C. Control bleeding after the final impression
D. None of the above - Answer-B.
/.Full denture construction procedure in order:
A. Wax setup
B. Baseplates & bite rim try-in
C. Impression for a custom tray
, D. Adjustment appointment
E. Final try-in or delivery - Answer-C, B, A, E, D
/.Correcting bad oral habits is: - Answer-Corrective
/.Referral for extractions is: - Answer-Interceptive
/.Construction of a palatial expander is: - Answer-Interceptive
/.Construction of a space maintainer is: - Answer-Interceptive
/.Caries control is: - Answer-Preventive
/.Orthognathic surgery is: - Answer-Corrective
/.Removing necrotic tissue from a periodontal pocket is called:
A. Root planing
B. Curettage
C. Polishing
D. Scaling - Answer-B.
/.Round burs are numbered:
A. 1/2 to 11
B. 556 to 563
C. 699 to 703
D. 55 1/2 to 62 - Answer-A.
/.When charting periodontal pockets, a reading of 3 mm indicates:
A. Normal gingival
B. Mild periodontitis
C. Moderate periodontitis
D. Gingivitis - Answer-A.
/.A universal instrument used to remove gross amounts of Supragingival calculus is a: -
Answer-Sickle scaler
/.Provided in pairs and used for right or left sides of the mouth; used to remove facial
and lingual calculus on posterior teeth: - Answer-Jaquette scaler
/.Has a single straight cutting edge; is turned 100 degrees to the shank at the end of the
working edge: - Answer-Hoe scaler