The word "obturation" when used in discussion of root canal therapy, means:
a. accessing the canal
b. filling and sealing the canal
c. placing the final restoration
d. removing the contents of the pulp
b. filling and sealing the canal
Which type of composite gives the clinician an advantage when removing orthodontic resins during bonding?
a. microfilled
b. macrofilled
c. hybrid
d. none of the above
b. macrofilled
The endodontic surgical procedure that removes 1 to 3 mm of the root apex is called a/an:
a. endodontic retreatment
b. retrofill
c. root resection
d. apicoectomy
d. apicoectomy
What is used to disinfect the canal system by killing bacteria and dissolving pulpal tissue?
a. endodontic sealers
b. paper points
c. irrigants
d. gutta-percha
c. irrigants
Which orthodontic device prevents "relapse" of the teeth?
a. archwire
b. ligature
c. bracket
d. retainer
d. retainer
The debonding procedure is done after orthodontic treatment is completed. The dental material removed from tooth surfaces is
a. composite resin
b. cold-cure resin
c. dental cement
d. ligature material
a. composite resin
The most commonly used technique to fill a root canal with gutta-percha is termed
a. direct compression
b. lateral compression
c. direct condensation
d. lateral condensation
d. lateral condensation
A pulpotomy usually serves as a ______ procedure on permanent molars.
a. temporary
b. permanent
c. either temporary or permanent
d. neither temporary or permanent
a. temporary
Which of the following materials used in orthodontic treatment serves to secure the arch wire on the facial surfaces of a tooth?
a. band
b. bracket
c. composite resin
d. retainer
b. bracket
Surgical silk suture is
a. another name for surgical gut suture
b. absorbable and removed at a later appointment
c. nonabsorbable and removed at a later appointment
d. absorbable and exists both inside and outside the body while in place
c. nonabsorbable and removed at a later appointment