Chapter 8

Question 1

What are some symptoms of abscessed tooth?

Answer 1

Facial swelling, elevated temperature, sensitive to hot or cold stimulus, painful to touch or chewing pressure

Question 2

_________ are sometimes used to place the root canal medicine in the pulp chamber and keep the temporary filling material from going down the canals.

Answer 2

Cotton Pellets

Question 3

A __________ is sometimes used to heat the instruments so that the rubberized gutta percha filling material may be softened and compacted in the root canal.

Answer 3

Butane torch

Question 4

The temporary cement used to fill the opening after a root canal visit. It does not have to be mixed, it comes right from the tube and the moisture from the mouth causes it to harden.

Answer 4

Cavit

Question 5

_________ is used to disinfect the pulp canals and dissolve necrotic tissue.

Answer 5

Sodium Hypochlorite (Clorox)

Question 6

A chemical sometimes used between visits in endodontic treatment which is not completed on the same day. It’s dripped into a small cotton pellet. The pellet is then placed in the pulp chamber prior to the temporary being placed. The purpose is to continue to disinfect the inside of the tooth after the patient leaves the office.

Answer 6

Formocresol

Question 7

The natural rubber material which is shaped into fine, needle-like points and is used to seal the canals.

Answer 7

Gutta Percha

Question 8

A sharp needle-like instrument with a plastic handle and barb-like hooks in the shaft. It is used as one of the first instruments to enter the canal to snag and remove the intact nerve if present.

Answer 8

Broach

Question 9

A sharp needle-like instrument with a plastic handle and a shaft with twisted ridges resembling a wood screw. They are used to clean, shape and enlarge the canals.

Answer 9

Files

Question 10

A popular device used by dentists to conveniently hold these small instruments is called the? It’s worn like a ring on the dentists finger.

Answer 10

Endo-ring

Question 11

The ________________ is straight and is longer than the regular explorer used for examinations.

Answer 11

Endodontic Explorer

Question 12

Instrument that has a pointed very sharp end.

Answer 12

Spreader

Question 13

Instrument that has a flat end.

Answer 13

Plugger

Question 14

These are used in the slow speed handpiece to enlarge the canals for steel post placement. The number of rings determines the size. The cutting edges are much longer than the Gates Glidden drills.

Answer 14

Peeso Reamers

Question 15

Used in a slow handpiece to enlarge the canals during a root canal. The number of rings on the shaft determines the size of the drill.

Answer 15

Gates-Glidden Drills

Question 16

Specialized cotton pliers with a locking latch to hold gutta percha and paper points for passing from assistant to dentist.

Answer 16

Locking pliers

Question 17

Instrument shaped like a scoop at the end.

Answer 17

Spoon Excavator

Question 18

A ruler device with measurements in millimeters. It’s used to measure and position the rubber stops in the FILE to the determined length of the canal.

Answer 18

Measuring Ruler

Question 19

A tooth pulp may die because of:

Answer 19

Traumatic blows, Extensive dental decay, mechanical exposure (from the drill), or chemical irritation from repeated fillings