Oral Hygiene Products

Question 1

The visible part that extends above the gum (gingiva)

Answer 1

Crown

Question 2

Sits in the upper or lower jawbone, remains invisible until recession of the gum exposes some root surfaces

Answer 2

Root

Question 3

Boundary between root and crown

Answer 3

Neck

Question 4

The mucosa that covers the upper and lower jaws, and surrounds the neck of the teeth.

Answer 4

Gingiva

Question 5

• Soft connective tissue containing nerves and blood vessels from the root canal
• Dentin forming cells are found in this area

Answer 5

Dental Cavity or Pulp Cavity

Question 6

3 Substance for a Tooth to resemble Bone:

Answer 6

Enamel
Dentin
Cementum

Question 7

• White outer part
• Hardest substance in the human body preventing the tooth from wearing away under pressure of chewing
• Contains Calcium Hydroxyapatite which starts to dissolve below pH 5.5

Answer 7

Enamel

Question 8

What impacts enamel hardness and strength

Answer 8

Demineralization & Remineralization

Question 9

• Yellowish bone-like layer surrounding the dental cavity which forms the largest portion of the tooth.
• More porous, softer, more sensitive, and more susceptible to decay and wear if exposed.
• Less dense than enamel

Answer 9

Dentin

Question 10

• Special connective tissue that covers the dentin at the root.
• Binds the roots of the teeth firmly to the gums and jawbone, and anchored in the jaw by the periodontal ligament.

Answer 10

Cementum

Question 11

Components of saliva that acts as a buffer

Answer 11

Carbonic Acid & Bicarbonate

Question 12

[TRUE OR FALSE] Acidulated Phosphate Fluoride promotes remineralization and prevents demineralization.

Answer 12

True

Question 13

Sticky, colorless film of bacteria and sugars that form on the teeth

Answer 13

Plaque

Question 14

• Disease resulting in the breakdown and destruction of the enamel due to demineralization
• Tiny Bone Holes on the surface of the teeth

Answer 14

Dental Caries or Tooth Decay

Question 15

• Hardened plaque that causes yellowish-brown discoloration to the teeth.
• Calcified plaque which can form beneath the gums. It can irritate the gum tissues

Answer 15

Dental Calculus or Tartar

Question 16

• Main cause of teeth loss
• Infection of the gums that can progress to affect bone that surround and support the teeth

Answer 16

Gum Disease

Question 17

Brief episodes of sharp well-localized pain when subjected to various stimuli.

Nangingilo

Answer 17

Tooth Sensitivity

Question 18

• Intrinsic Discoloration
• Spots or small area on the teeth contrasting with the rest of teeth color.

Answer 18

Dental Stains or Teeth Discoloration

Question 19

Oral malodor, due to food, alcohol, tobacco, or disease

Answer 19

Bad Breath or Halitosis

Question 20

Normal pH of saliva

Answer 20

6.7 - 7.4

Question 21

[TRUE OR FALSE] Only children below 8 years old can develop fluorosis

Answer 21

TRUE

Question 22

Does not flow out of an open container if no pressure is used and can “stand up” on the brush

Answer 22

Bingham Plastic

Question 23

Stays viscous until force is applicable; viscosity reverts to original high value when shear force is removed.

Answer 23

Pseudoplastic (Shear Thinning)

Question 24

It is less soluble than hydroxyapatite. Which is necessary for remineralization.

Answer 24

Fluorohydroxyapatite

Question 25

Allowable total fluoride for 2 yrs and above

Answer 25

850 - 1150 ppm

Question 26

Allowable total fluoride for 6 yrs and above

Answer 26

1500 ppm