Vocabulary

Question 1

is the study of the anatomy, growth, and diseases of the teeth.

Answer 1

odontology

Question 2

sets of teeth: a primary,or deciduous, dentition, and permanet, or succedaneous, dentition.

Answer 2

dentitions

Question 3

this is the section of the tooth that is visible in the mouth. It is protected on the outside by the tissue called enamel.

Answer 3

crown

Question 4

This is the section of the tooth below the gingiva, or gums. It is covered on the outside by the tissue called cementum. It is not usually visible in the mouth. It helps anchor or hold the tooth in the bony socket of the jaw.

Answer 4

root

Question 5

The area where the enamal covering the crown meets the cementum covering the root.It is the narrow section where the crown meets the root.

Answer 5

cervix

Question 6

This is the tip of the root of the tooth. It contains an opening through which nerves and blood vessels enter the tooth.

Answer 6

apex

Question 7

An opening in the apex through which nerves and blood vessels enter the tooth.

Answer 7

apical foreman

Question 8

This is the hardest tissue in the body and covers the outside of the crown. It is made up mainly of calcium and phosphorus, and forms a protective layer for the tooth. Once the tooth is fully developed, the enamel cannot grow or repair itself.

Answer 8

enamel

Question 9

Bone like structure covering the root of the tooth.

Answer 9

cementum

Question 10

bone like substance which makes up the bulk of the tooth and surrounds the pulp.

Answer 10

dentin

Question 11

structure inside central cavity of tooth that contains connective tissue, blood vessels and nerve fibers.

Answer 11

pulp

Question 12

All of the supporting structures both hard and soft of a tooth. Includes: Periodontal Ligament, Cementum, Gingiva, and Alveolar bone.

Answer 12

periodontium

Question 13

This is the name for the portion of the two maxillary bones and the mandible that contain the alveoli for the teeth.

Answer 13

alveolar process

Question 14

surrounding the teeth that supports and attaches the teeth to the bony surface of the alveoli.

Answer 14

periodontal ligament

Question 15

the specialized mucous membrane that surrounds the teeth, covers the bone of the dental arches, and lines the cheeks.

Answer 15

gingiva

Question 16

Biting teeth in the very front of the mouth that function to cut food into smaller pieces.

Answer 16

incisors

Question 17

Canines, have sharp points to tear food and have the longest root than any other teeth.

Answer 17

cuspids

Question 18

aka premolars. have two cusps (grinding surfaces), and the upper sometimes have two roots, but the bottom teeth have a single root. are not present in primary dentition.

Answer 18

bicuspids

Question 19

Large somewhat flat-topped back teeth. Function to grind food. largest and stongest teeth.

Answer 19

molars

Question 20

consists of 20 teeth that are normally lost during childhood and are replaced by the permanent teeth. these include: 8 incisors, 4 canines, and 8 molars

Answer 20

primary

Question 21

four sections: maxillary right, maxillary left, mandibular right, and mandibular left.

Answer 21

quadrants

Question 22

pertaining to the upper jaw and teeth.

Answer 22

maxillary

Question 23

Pertaining to the lower jaw bone and teeth.

Answer 23

mandibular

Question 24

Sixteen maxillary (upper) 2 central incisors, 2 -2nd molars, 2 lateral incisors, 2 -3rd molars,2 cuspids, 2- 1st bicuspids, 2 -2nd bicuspids, 2 -1st molars.

Answer 24

permanent

Question 25

means "toward the front." The teeth in the front of the mouth: incisors and cuspids

Answer 25

anterior

Question 26

means "toward the back." The teeth in the back of the mouth: bicuspids and molars.

Answer 26

posterior

Question 27

crown surface next to the lips.

Answer 27

labial

Question 28

crown surface next to the tongue.

Answer 28

lingual

Question 29

cutting or bitting edge of the tooth

Answer 29

incisal

Question 30

side surface closest to or facing toward the midline.

Answer 30

mesial

Question 31

side surface away from the midline.

Answer 31

distal

Question 32

crown surface next to face or cheek.

Answer 32

buccal

Question 33

crown surface next to the tongue.

Answer 33

lingual

Question 34

chewing or grinding surface of the tooth.

Answer 34

occlusal

Question 35

form where two crown surfaces meet.

Answer 35

line angles

Question 36

form where three crown surfaces meet.

Answer 36

point angles

Question 37

are mounted on the ceiling of the dental unit or attached to the dental chair. used to illuminate the oral cavity, or mouth, while the doctor works.

Answer 37

dental lights

Question 38

is designed to postion the patient comfortably while providing the doctor and the dental assistant with easy access to the oral cavity.

Answer 38

dental chair

Question 39

provides air pressure to operate the handpiece and the air syringes on the dental units.

Answer 39

air compressor

Question 40

uses water to provide the dental units with suction action. It aids in removing particals, debris, and liquids from the oral cavity.

Answer 40

oral-evacuation system

Question 41

vary from office to office, but most contain the same basic equipment.

Answer 41

assistant's carts

Question 42

This is also called a three-way syringe. It provides air, water, or a combination of air and water fro various dental procedures.

Answer 42

air-water syringe

Question 43

This provides constant, low-volume suction to remove saliva and other fluids from the mouth.

Answer 43

saliva ejector

Question 44

this is a bowl or cup that can be used to allow the patient to expectorate (spit out) particals and water.

Answer 44

cuspidor

Question 45

also vary from office to office. many contain air-water syringes in addition to a variety of handpieces.

Answer 45

doctors' carts

Question 46

or foot controls used to operate the handpieces.

Answer 46

rheostats

Question 47

This is used fro cutting and polishing during various dental procedures.

Answer 47

contra angles

Question 48

instruments that are inserted into the contra angle. Used to cut , shape, finish, and polish teeth, restoration and dental appliances.

Answer 48

burs

Question 49

This attachment holds polishing cups, disks, and brushes that are used to clean the teeth or to polish restorations.

Answer 49

prophylaxis angle

Question 50

This is used to do most of the cutting and preparation of the tooth during dental procedures.

Answer 50

High-speed handpiece

Question 51

prevention of decay.

Answer 51

carious lesions (caries)

Question 52

is a thin, tenacious, flimlike deposit that adheres to the tooth and can lead to decay; it contains microorganisms and protien substance.

Answer 52

plaque

Question 53

bad breath.

Answer 53

halitosis

Question 54

is a negative reproduction of a tooth, or dental arch. it is taken to form a model of the area foor restorative treatment that will take place outside of the mouth.

Answer 54

impression

Question 55

is a positive reproduction of the arches or teeth that is created from the negative impression.

Answer 55

model

Question 56

is an irreversible hydrocolloid impression material. It cannot be retured from a gel to its original state.

Answer 56

alginate

Question 57

is an elastomeric impression material that is elastic and rubbery in nature.

Answer 57

rubber base (polysulfide)

Question 58

final impression material that is odor free and easy to work with.

Answer 58

silicone

Question 59

it is used mainly where strength is not a critical factor, such as for study modelsand perliminary models.

Answer 59

plaster

Question 60

it produces a stronger, more regular and uniform model.

Answer 60

stone

Question 61

are impression trays made to fit a particular patient's mouth.

Answer 61

custom trays

Question 62

which means "absence of feeling" is the term used to describe the condition that exist when the sensation of feeling pain has been decreased or eliminated.

Answer 62

anesthesia

Question 63

are glass cylinders that contain premeasured amounts of anesthetic solutions.

Answer 63

anesthetic carpules

Question 64

are commonly used to inject local anesthetic.

Answer 64

aspirating syringe

Question 65

material used to cover, line, or seal exposed tooth tissue, such as dentin. it is usually in the form of a varnish.

Answer 65

liner

Question 66

protective material that is placed over the pulpal area of the tooth to reduce irritation and thermal (heat) shock. used under lsrge restoration.

Answer 66

base

Question 67

material used to permanently seal inlays, orthodontic appliance, crowns, and bridges in place.

Answer 67

cement

Question 68

material used as a restorative material for a short time and only until permanent restoration can be done.

Answer 68

temporary

Question 69

is defined as "the process of replacing a diseased portion of a tooth or a lost tooth by artificial means."

Answer 69

restoration

Question 70

when the enamel, dentin, and/or cementum are destroyed, a hollow space is created in the tooth called.....????

Answer 70

cavity

Question 71

is a restorative material used primarily on posterior teeth.

Answer 71

amalgam

Question 72

is the restorative material used most frequently in the repair of anterior teeth, but it can also be used to restore posterior teeth.

Answer 72

composite

Question 73

are negatives taken of the teeth, similar to the negatives received when photograph are taken. x-ray beams are passed through the teeth and tissues. A series of shadows are then produced on film.

Answer 73

radiographs

Question 74

these areas appear dark on radiographs . This means that the X-ray penetrates through the structure.

Answer 74

radiolucent

Question 75

these areas appear light or white on radiographs. this means that the structures stop the X-rays, or that the X-rays are unable to penetrate the structures.

Answer 75

Radiopaque

Question 76

these show only the crowns of the maxillary and mandibular teeth. They are called cavity-detecting radiographs because they are primarily used to detect interproximal decay and recurring decay under restorations.

Answer 76

bite-wings

Question 77

these films, size 4, are approximately twice the size of a number 2 film. They are used to view the occlusal planes of the maxilla oe mandible.

Answer 77

occlusal films

Question 78

This is a special type of film that shows the entire dental arch, or all of the teeth, on one film.

Answer 78

panoramic