Chapter 54 Review Questions

Tooth #5 is being tested for possible root canal therapy. What tooth would be used as a control tooth? a. #6 b. #9 c. #12 d. #15

#12

A dentist who specializes in the prevention, diagnosis, and treatment of the dental pulp and periradicular tissues is a ____________

Endodontist

What type of file is best suited for canal enlargement a. broach b. reamer c. Pesso d. Hedstrom

Hedstrom

_________ is an examination technique that involves tapping on the incisal or occlusal surface of a tooth to determine vitality

Percussion

Nerves, blood vessels and tissue that surround the root of a tooth are called

Periradicular

__________ occurs when there is a form of pulpal inflammation but the pulp may be salvageable.

Reversible pulpitis

A/An _______ is a localized area of pus that originates from an infection.

abscess

What urgent situation can result if bacteria reach the nerves and blood vessels of a tooth? a. abscess b. decay c. tumor d. calculus

abscess

A/An _______ is the surgical removal of infectious material surrounding the apex of a root.

apical curettage

_____________ is a surgical procedure that involves the removal of the apex of a root. a. hemisection b. apicoectomy c. extraction d. pulpotomy

apicoectomy

Another term for necrotic is _________________. a. living b. dead c. nonvital d. both living and nonvital e. both dead and nonvital

both dead and nonvital

What instrument has tiny projections and is used to remove pulp tissue? a. file b. broach c. reamer d. Pesso file

broach

A/An _______ is a healthy tooth used as a standard to compare questionable teeth of similar size and structure during pulp vitality testing.

control tooth

What portion of the pulp would the dentist remove in a pulpotomy? a. coronal portion b. root portion c. complete pulp d. only the infected portion

coronal portion

The dental material most commonly preferred for pulp capping is ________________. Select one: a. amalgam b. zinc phosphate c. calcium hydroxide d. glass ionomer

cslcium hydroxide

Obturate means to ______________________. a. open a pulpal canal b. examine a pulpal canal c. fill a pulp canal d. surgically remove a pulpal canal

fill a pulp canal

__________ is completed to remove or clean out the pulpal canal.

debridement

The moisture control technique recommended by the ADA for root canal therapy is ________________. a. cotton pellets b. cotton rolls c. dry angles d. dental dam e. The ADA does not make recommendations for this procedure

dental dam

The irrigation material most commonly used during root canal therapy is ________________. a. water from the A/W syringe b. diluted sodium hypochlorite c. concentrated sodium hypochlorite d. phosphoric acid

diluted sodium hypochlorite

A/An _________ is the application of calcium hydroxide to a cavity preparation that has an exposed dental pulp.

direct pulp cap

What specialist has been taught to perform root canal therapy? a. prosthodontist b. implantologist c. endodontist d. periodontist

endodontist

The material most commonly used for obturation of the canal is _________________. a. amalgam b. composite c. gutta-percha d. IRM

gutta percha

________ is a plastic type of filling material used in root canal therapy.

gutta percha

The surgical separation of a multirooted tooth through the furcation area is called a

hemisection

_______ is the procedure of removing dental pulp and filling the canal with material.

indireft pulp cap

A rubber stop is placed on a file to _______________. a. prevent the patient from swallowing the file b. take a radiograph c. identify the file d. maintain the measurement of the file and prevent perforation e. all listed f. none listed

maintain the measurement of the file and prevent perforation

What term, other than "dead", means not living

nonvital

What surface of a posterior tooth would the dentist enter with a rotary bur when opening a canal for root canal therapy? a. occlusal b. facial c. mesial d. incisal

occlusal

_________ is an examination technique of the soft tissues in which the examiner's hand or fingertips are used.

palpation

When the dentist taps on a tooth, what diagnostic test is being performed? a. mobility b. mobility c. palpation d. percussion

percussion

To break through and extend beyond the apex of the root is

perforation

What type of radiograph would be exposed through the course of root canal therapy? a. cephalometric b. bitewing c. periapical d. panoramic

periapical

The diagnosis of inflamed pulp tissues is _____________. a. pulpitis b. pulpotomy c. pulpectom

pulpitis

_________ is an inflammation of the dental pulp.

pulpitis

__________ is inflammation of the dental pulp.

pulpitis

A/An _______ is the removal of a vital pulp from the coronal portion of a tooth.

pulpotomy

A small restoration placed at the apex of a root is called a/an

retrograde restoration

___________ is the procedure of removing dental pulp and filling the canal with material.

root canal therapy

Is pain considered a subjective or objective component of a diagnosis by the dentist? a. subjective b. objective c. neither d. both

subjective

Periradicular tissues are ________________________. a. pulp tissues b. tissues that surround the root of a tooth c. tissues that surround the crown of a tooth d. buccal mucosa

tissues that surround the root of a tooth