Chapter 54 Review Questions-Endodontics

Tooth #5 is being tested for possible root canal therapy. What tooth would be used as a control tooth?

#12

Obturate means to ______________________.

fill up a canal

__________________ is a surgical procedure that involves the removal of the apex of a root.

Apicoectomy

What instrument has tiny projections and is used to remove pulp tissue?

Broach

What portion of the pulp would the dentist remove in a pulpotomy?

Coronal portion

is completed to remove or clean out the pulpal canal.

Debridement

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

Endodontist

What specialist has been taught to perform root canal therapy?

Endodontist

The material most commonly used for obturation of the canal is _________________.

Gutta-percha

What type of file is best suited for canal enlargement

Hedstrom

What surface of a posterior tooth would the dentist enter with a rotary bur when opening a canal for root canal therapy?

Occlusal

is an examination technique in which the examiner's hands or fingertips are used

Palpation

When the dentist taps on a tooth, what diagnostic test is being performed?

Percussion

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

Percussion

What type of radiograph would be exposed through the course of root canal therapy?

Periapical

is an inflammation of the dental pulp.

Pulpitis

is inflammation of the dental pulp.

Pulpitis

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

Retrograde restoration

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

Reversible Pulpitis

Is pain considered a subjective or objective component of a diagnosis by the dentist?

Subjective

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?

abscess

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

apical curettage

Another term for necrotic is _________________.

both dead and nonvital

The dental material most commonly preferred for pulp capping is ________________.

calcium hydroxide

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

The moisture control technique recommended by the ADA for root canal therapy is ________________.

dental dam

The irrigation material most commonly used during root canal therapy is ________________.

diluted calcium hydroxide

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

direct pulp cap

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

A/An _________ is the placement of calcium hydroxide over a partially exposed pulp.

indirect pulp cap

A rubber stop is placed on a file to _______________.

maintain the measurement of the file and prevent perforation

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

nonvital

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

perforation

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

periradicular

The diagnosis of inflamed pulp tissues is _____________.

pulpitis

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

pulpotomy

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

root canal therapy

Periradicular tissues are ________________________.

tissues that surround the root of a tooth