Tooth Anatomy
Oral Health & Hygiene
Dental Disease
Instruments
EXTRA
100

What is the hardest substance in the human body?

Enamel

100

How often should you replace your toothbrush?

Every 3–4 months

100

What is inflammation of the gums called?

Gingivitis

100

A small, round mirror on a handle used to view hard-to-see areas, reflect light, and retract the tongue or cheek.

Mouth Mirror

100

What centralized application service do most U.S. dental schools use?

AADSAS (Associated American Dental Schools Application Service)

200

What part of the tooth contains nerves and blood vessels?

Pulp

200

What mineral helps strengthen enamel and prevent cavities?

Fluoride

200

What is the more advanced stage of gum disease called?

Periodontitis

200

A thin, pointed instrument used to detect cavities, plaque, calculus, and irregularities on tooth surfaces.

Dental Explorer

200

What degree do dental students earn upon graduation?

D.D.S. or D.M.D.

300

How many permanent teeth does an average adult have?

32

300

What is the recommended time for brushing your teeth?

2 minutes

300

What oral condition is caused by fungal overgrowth, often seen in denture wearers?

Oral thrush (candidiasis)

300

Uses high-frequency vibrations and water to remove plaque, calculus, and stains quickly.

Ultrasonic Scaler

300

Which specialty involves performing root canal therapy?

Endodontics

400

What connects the tooth to the surrounding bone?

Periodontal ligament

400

True or False: You should brush immediately after consuming acidic foods.

False – wait 30 minutes

400

What process occurs when acids dissolve the mineral content of enamel?

Demineralization

400

Uses pressurized steam to sterilize instruments and prevent cross-contamination.

Autoclave

400

True or False: D.D.S. and D.M.D. degrees are educationally equivalent.

True

500

What tissue covers the tooth root and helps anchor it to the jaw?

Cementum

500

What’s the correct motion when flossing?

“C” shape around each tooth and slide under the gumline

500

What is complete tooth loss called?

Edentulism

500

Forms a temporary wall around a tooth being restored to shape the filling properly.

Matrix Band and Retainer (Tofflemire)

500

What U.S. state has the most dental schools?

California

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