Dental Care #569

E. All of the above.

Considerations when selecting a handle option for new instruments include which of the following? A. Weight B. Size C. Balance D. Texture E. All of the above.

A. True

Diamond tipped curettes can only be used with loose tissue and exposed furcations. A. True B. False

E. B or C

Which from the following instruments, would you select for scaling in a very narrow periodontal pocket on the lingual of #24? A. Gracey 1/2 B. Vision Curvette 1/2 C. Vision Curvette Sub-0 D. Langer 3/4 E. B or C

B. Finger-on-finger

Which if the following alternative fulcrums is demonstrated by placing the fulcrum on a finger placed on the same arch on which you are working. A. Reinforced B. Finger-on-finger C. Cross arch D. Extraoral

D. SN135/SN137

Which of the following instruments has 2 different instruments in one: a sickle on one end and a curette on the other? A. Nevi 2 B. Extra Rigid Gracey C. Hoe D. SN135/SN137

A. Debridement curettes

Which of the following instruments has a small, disc shaped working end and used to remove small, residual calculus deposits? A. Debridement curettes B. Langer curettes C. Gracey curettes D. Nevi scalers

A. Langer Curettes

Which of the following instruments has a universal blade with a Gracey design and a more rigid shank? A. Langer Curettes B. Vision Curvettes C. Micro mini Curettes D. Chisels

A. Periodontal file

Which of the following instruments is designed with a series of parallel blades that are used in deep pockets to break up large, tenacious calculus deposits? A. Periodontal file B. Diamond tipped file C. Gracey 13/14 D. Hoe

C. Gracey 17/18

Which of the following instruments will aid in accessing the distal of the mandibular 2nd molar and allow for traditional fulcruming in the area with less interference from the opposing arch? A. Gracey 13/14 B. SN 137 C. Gracey 17/18 D. After-Five Gracey 13/14

C. Nevi 4

Which of the following instruments will effectively aid in the removal of posterior areas of heavy calculus under contact areas? A. Gracey 11/12 B. Nevi 3 C. Nevi 4 D. Mini five Gracey 13/14

A. Maintenance Curettes

Which of the following is a series of curettes that are designed with a 60º honed terminal shank instead of the typical 70º? A. Maintenance Curettes B. Langer Curettes C. Vision Curvettes D. All of the above.

D. Both statements are false.

The hoe is used with a push stroke. The chisel is used with a push or pull stroke. A. The first statement is true and the second statement is false. B. The first statement is false and the second statement is true. C. Both statements are true. D. Both statements are false.

E. A and C only

Which of the following things have to be considered when working on a maxillary first premolar? A. Number of roots present. B. The furcation in the roots occurs in the last ¼ of the root. C. Mesial root concavity, on the crown from the contact, extending apically. D. All of the above. E. A and C only

E. A, B, and C

The Extra-Rigid Graceys are designed for which of the following situations? A. Heavy calculus B. Gross scaling and root debridement C. Surgery D. A and B only E. A, B, and C

A. cutting edge

The blade on the working end of the instrument is also known as _______________. A. cutting edge B. honing edge C. cross-section D. back side