What is the hardest substance in the human body?
Enamel
How often should you replace your toothbrush?
Every 3–4 months
What is inflammation of the gums called?
Gingivitis
A small, round mirror on a handle used to view hard-to-see areas, reflect light, and retract the tongue or cheek.
Mouth Mirror
What centralized application service do most U.S. dental schools use?
AADSAS (Associated American Dental Schools Application Service)
What part of the tooth contains nerves and blood vessels?
Pulp
What mineral helps strengthen enamel and prevent cavities?
Fluoride
What is the more advanced stage of gum disease called?
Periodontitis
A thin, pointed instrument used to detect cavities, plaque, calculus, and irregularities on tooth surfaces.
Dental Explorer
What degree do dental students earn upon graduation?
D.D.S. or D.M.D.
How many permanent teeth does an average adult have?
32
What is the recommended time for brushing your teeth?
2 minutes
What oral condition is caused by fungal overgrowth, often seen in denture wearers?
Oral thrush (candidiasis)
Uses high-frequency vibrations and water to remove plaque, calculus, and stains quickly.
Ultrasonic Scaler
Which specialty involves performing root canal therapy?
Endodontics
What connects the tooth to the surrounding bone?
Periodontal ligament
True or False: You should brush immediately after consuming acidic foods.
False – wait 30 minutes
What process occurs when acids dissolve the mineral content of enamel?
Demineralization
Uses pressurized steam to sterilize instruments and prevent cross-contamination.
Autoclave
True or False: D.D.S. and D.M.D. degrees are educationally equivalent.
True
What tissue covers the tooth root and helps anchor it to the jaw?
Cementum
What’s the correct motion when flossing?
“C” shape around each tooth and slide under the gumline
What is complete tooth loss called?
Edentulism
Forms a temporary wall around a tooth being restored to shape the filling properly.
Matrix Band and Retainer (Tofflemire)
What U.S. state has the most dental schools?
California