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DHO Chapter 18
Dental Assistant Skills
| Term | Definition |
|---|---|
| Crown | Section of the tooth that is visible in the mouth |
| root | section of the tooth below the gums or gingiva |
| cervix | the neck, between the enamel of of crown and the cemtenum of root |
| dentin | tissue under enamel & makes up most of tooth |
| pulp | softest tissue located in the innermost area of tooth. Nerves & blood vessels. Makes dentin |
| periodontium | supports teeth, upper & lower jawbone, gums, ligaments |
| alveolar process | maxilla - upper jaw bone + sockets for teeth |
| alveoli | sockets for teeth |
| periodontal ligaments | connective tissue between cementum and jaw bones |
| gingiva | gums, epithelial tissue |
| free gingiva | surrounds cervix of tooth but is not attached to tooth. |
| dental floss | cleans the free gingiva space |
| Apex | Tip of the root of the tooth |
| Apical foramen | Opening through which nerves and blood vessels enter the root of the tooth |
| Enamel | Hardest tissue in the body, covers the outside of the crown |
| Cementum | Hard, bonelike tissue that covers the outside of the root |
| Incisors | teeth in the front center of the mouth, used to cut food |
| Cuspids | Canine teeth, used to tear food, located at angles of lips, longest teeth |
| Bicuspids | Premolars, located before molars, used to pulverize or grind food |
| Molars | Teeth in the back of the mouth, largest and strongest, used to grind food |
| Primary/deciduous teeth | First set of teeth |
| 20 | the total number of deciduous teeth |
| Maxillary teeth | Teeth in the sockets, alveoli, of the maxilla, or upper jaw bone |
| Mandibular teeth | Teeth in the alveoli of the lower jawbone |
| Permanent/Succedaneous teeth | Second set of teeth |
| 32 | the total number of teeth in a permanent dentition |
| Universal/National Numbering Method | An abbreviated form for identifying the teeth; A-T for primary & 1-32 for permanent |
| Labial | Teeth with crown surface near the lips |
| Lingual | Teeth with crown surface near tongue |
| Occlusal | Biting surface of the teeth |
| Mesial | Teeth toward the midline of the mouth |
| Buccal | Teeth next to face or cheek |
| Line angles | Form where two corwn surfaces meet |
| Point angles | Form where three crown surfaces meet |
| Cuspidor | Bowl or cup that can be used to allow the patient to spit out particles and water |
| Halitosis | Bad breath |
| Alginate | Irreversible hydrocolloid impression material |
| Carpules | Glass cartridges that contain premeasured amounts of anesthetic solutions |
| radiolucent | Areas that appear dark on x-rays |
| Radiopaque | Areas that appear light or white on x-rays |
| Bitewings | Xrays which show only the crowns of the teeth |
| Periapical films | Show the tooth and the surrounding area, and can show root-end infection |
| Child films | Smaller xrays films use don children to show disease or other conditions |
| Panoramic | Special film for xrays that shows the entire dental arch |
| Federation Dentaire International Numbering System | uses a two-digit numbering system in which the first number represents a tooth's quadrant and the second number represents the number of the tooth from the midline of the face. |
| Dentition | set of teeth;includes primary, mixed and permanent |
Created by:
mrsdancona
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