GLOSSARY

abrasion

loss of tooth structure caused by a hard toothbrush, poor brushing technique, or Bruxism (grinding or clenching the teeth).

abscess

an infection of a tooth, soft tissue or bone

abutment

tooth or teeth that support a fixed or removable bridge

adhesive dentistry

contemporary term for dental restorations that involve "bonding" of composite resin or porcelain fillings to natural teeth

air abrasion

removal of tooth structure by blasting a tooth with air and abrasive, a relatively new technology that may avoid the need for anesthetic

allergy

unfavorable systemic response to a foreign substance or drug

alveolar bone

the jaw bone that anchors the roots of teeth

amalgam

a most common filling material, also known as "silver fillings,"containing mercury (app 50%), silver, tin, copper and zinc used for fillings

analgesia

a state of pain relief; an agent lessening pain

anesthesia

partial or complete elimination of pain sensation; numbing a tooth is an example of local anesthesia; general anesthesia produces partial or complete unconsciousness

anterior teeth

the six upper or six lower front teeth

antibiotic

a drug that stops or slows the growth of bacteria

ANUG

an acronym for Acute Necrotizing Ulcerative Gingivitis, commonly known as trench mouth or Vincent's disease, aggravated by stress and/or smoking

apex

the tip of the root of a tooth

apicoectomy

surgical removal of the root tip to treat a dead tooth

apicoectomy

surgical removal of the root tip to treat a dead tooth

arch

describes the alignment of the upper or lower teeth

attrition

loss of structure due to natural wear

base

cement placed under a dental restoration to insulate the pulp (nerve chamber)

bicuspid or pre-molar

transitional teeth behind the cuspids

bifurcation (trifurcation)

juncture of two (three) roots in posterior teeth

biopsy

removal of a small piece of tissue for microscopic examination

bite

relationship of the upper and lower teeth on closure (occlusion)

bite wings

caries (decay) detection x-rays

black hairy tongue

elongated papillae on the tongue, promoting the growth of microorganisms

bleaching

chemical or laser treatment of natural teeth for whitening effect

block injection

anesthesia of a nerve trunk that covers a large area of the jaw; a mandibular block injection produce numbness of the lower jaw, teeth, half the tongue

bonding

adhesive dental restoration technique; a tooth-colored composite resin to repair and/or change the color or shape of a tooth

bone resorption

decrease in bone supporting the roots of teeth; a common result of periodontal (gum disease)

braces

devices used by orthodontists to gradually reposition teeth to a more favorable alignment

bridge

stationary dental prosthesis (appliance) fixed to teeth adjacent to a space; replaces one or more missing teeth, cemented or bonded to supporting teeth or implants adjacent to the space

bruxism

grinding or gnashing of the teeth, most commonly while the patient is asleep

bruxomania

persistent "nervous" grinding of the teeth while the patient is awake

calcium

chemical element needed for healthy teeth, bones and nerves

calculus

hard residue, commonly known as "tarter," that forms on teeth due to inadequate plaque control, often stained yellow or brown

canker sore

mouth sore appearing whitish, often with a red halo, of ten to fourteen day duration

cantilever bridge

fixed bridge that attaches to adjacent teeth only on one end

cap

common term for dental crown

caries

tooth decay or "cavities"

cast or model

reproduction of structures made by pouring plaster or stone into a mold

Cavitron

dental tool that uses high frequency ultrasonic waves to clean teeth

cellulitis

soft tissue infection causing extensive, hard swelling, a potentially dangerous condition requiring immediate attention

cementum

hard tissue that covers the roots of teeth

chart

log of dental or medical records

clasp

device that retains a removable partial denture to stationary teeth

cleaning

removal of plaque and calculus (tarter) from teeth, generally above the gum line

composite resin

material composed of plastic with small glass or ceramic particles; usually cured with filtered light or chemical catalyst

cosmetic (aesthetic) dentistry

treatments performed to enhance appearance; not a recognized specialty

CPR (cardiopulmonary resuscitation)

Artificial procedures employed by a rescuer after cessation of breathing or heart stoppage

Cross bite

reverse biting relationship of upper and lower teeth; aka "under bite," as in Class III malocclusuion (prognathic jaw)

crown

  1. the portion of a tooth above the gum line;
  2. dental restoration covering all or most of the natural tooth

curettage

removal of diseased tissue from a periodintal pocket

cusp

mound on posterior teeth

cuspid or canine

the four "eye teeth"

cyst

a soft or hard tissue sac, hard or filled with fluid

DDS

Doctor of Dental Surgery - equivalent to DMD

DMD

Doctor of Medical Dentistry - equivalent to DDS

decay

destruction of tooth structure caused by toxins produced by bacteria

deciduous teeth

commonly called "baby teeth," the first set of (usually) twenty teeth

dentin

inner layer of tooth structure, immediately under the surface enamel

dental implant

a (usually) titanium cylinder surgically placed in the bone of the upper or lower jaw to provide support for a dental restoration or appliance

dentition

the arrangement of natural or artificial teeth in the mouth

denture

removable (partial or complete) set of artificial teeth

denturism

the production of dentures dispensed directly by laboratory technicians

diastema

space between teeth

enamel

hard tissue covering the portion of tooth above the gum line

endodontist

specialist who treats injuries, diseases and infections of the tooth pulp (nerve chamber)

epidemiology

study of the incidence of disease in a population

eruption

process of teeth protruding through the gums

exfoliate

process of shedding deciduous (baby) teeth

exodontia

practice of dental extractions

explorer

sharp instrument used to detect decay on the surface of teeth

extraction

removal of a tooth

eyeteeth

the four upper and lower canine (cuspid) teeth

facing

tooth colored overlay on the visible portion of a crown; may be acrylic, composite or porcelain

FAGD

Fellowship Academy of General Dentistry

filling

restoration of lost tooth structure with metal, porcelain or resin materials

fistula

channel emanating pus from an infection site; a gum boil

flap surgery

lifting of gum tissue to expose and clean underlying tooth and bone structures

freeway space

distance between the upper and lower teeth with the lower jaw in rest position

forceps

instrument used for removal of teeth

forensic dentistry

practice of gathering legal evidence for body identification or judicial issues

fossa

valley found on the sutrpface of posterior teeth

full denture

removable dental prosthesis (appliance) replacing all upper or lower teeth

full mouth reconstruction

extensive restorations of natural teeth with crowns and or fixed bridges to manage bite problems.

frenectomy

removal or reshaping of thin muscle tissue that attaches the upper or lower lips to the gum, or the tongue to the floor of the mouth

GTR

(guided tissue regeneration) a new technique for replacing bone tissue

general anesthesia

controlled state of unconsciousness, accompanied by a partial or complete loss of pain sensation, protective reflexes, and the ability to respond purposefully to physical stimulation or verbal command

geographic tongue

benign changes in the usual color and texture of tongue; does not require treatment

gingiva

gum tissue

gingivectomy

surgical removal of gum tissue

gingivitis

inflammation of gum tissue

gum boil

See fistula

gum recession

exposure of dental roots due to shrinkage of the gums as a result of abrasion, periodontal disease or surgery

halitosis

bad breath of oral or gastrointestinal origin

Heimlich Maneuver

techinque employed by rescuer for obstruction of victim's airway

hematoma

swelling of effused blood beneath tissue surface

HMO or DMO

health (dental) maintenance organization which specifies a health care (dental) provider a patient may see. Profitability depends on minimization of treatment.

hydrogen peroxide

disinfecting solution used in dental irrigation procedures or as mouth rinse

hygienist

dental auxiliary who cleans teeth and provides patient education; administers local anesthetic, nitrous oxide and performs periodontal scaling

hyperemia

increased blood flow; may cause dental sensitivity to temperature and sweets; may precede an abscess

impaction

partial or completely unexposed tooth that is wedged against another tooth, bone, or soft tissue, precluding the eruption process

implant

artificial device replacing tooth root; may anchor an artificial tooth, bridge, or denture

impression

mold made of the teeth and soft tissues

incision and drainage

surgical incision of an abscess to drain suppuration(pus)

incisors

four upper and four lower front teeth, excluding the cuspids (canine teeth)

infiltration

local anesthetic procedure effective for upper teeth and soft tissue; placement of anesthetic under the gum, allowing it to seep into bone

inlay

indirect - filling made by a dental laboratory that is cemented or bonded into place, direct - placement of dental composite resin restoration at chairside

interproximal

surfaces of adjoining teeth

interocclusal

space between upper and lower teeth

intraoral camera

a smal video camera used to view and magnify oral conditions;
images may be printed

jacket

crown for a front tooth, usually made of porcelain

laminate

thin plastic or porcelain veneer produced in a dental laboratory and then bonded to a tooth

laughing gas

nitrous oxide; odorless inhalation agent that produces relative analgesic (sedation); reduces anxiety and creates a state of relaxation

lesion

injury of bodily tissue due to infection, trauma or neoplasm

local anesthesia

partial or complete elimination of pain sensation, in the immediate vicinity of its application or injection

malocclusion

"bad bite" or misalignment of the upper and lower teeth

managed care

program whereby patient-dentist assignment and dentist reimbursement is administered by a separate, external organization

mandible

the lower jaw

margin

interface between a restoration and tooth structure

MAGD

Masters Academy of General Dentistry

Maryland bridge

a bridge that is bonded to the back of the adjacent teeth; requires minimum tooth reduction

mastication

process of chewing food

maxilla

the upper jaw

meniscus

capsular cushion between temporomandibluar joint and glenoid fossa

milk teeth

deciduous (baby) teeth

molars

three back teeth in each dental quadrant used for grinding food.

moniliasis (thrush)

opportunistic fungal infection after administration of antibiotic; not uncommon in the mouth

mucogingival junction (MGJ)

meeting of thick, protective gingival tissue around the teeth and the friable mucous lining of the cheeks and lips

NSAID

non steroidal anti-inflammatory drug, often used as a dental analgesic

nerve

tissue that conveys sensation, temperature, position information to the brain

nerve (root) canal

dental pulp; the internal chamber of a tooth

night guard

acrylic appliance used to prevent wear and temporomandibular damage caused by grinding or gnashing of the teeth during sleep

nitrous oxide

a gas used to reduce patient anxiety

Novocain

older brand name for a local anesthetic, currently replaced by safer, more effective agents

occlusion

closure; relationship of the upper and lower teeth upon closure

onlay

laboratory produced restoration covering one or more cusps of a tooth

oral and maxillofacial surgeon

a dental specialist who manages the diagnosis & surgical treatment of diseases, injuries, and deformities of the mouth and supporting structures; Requires four additional years of training after dental school

oral cavity

the mouth

oral hygiene

process of maintaining cleanliness of the teeth and related structures

oral and maxillofacial surgery

surgical procedures on the mouth including extractions, removal of cysts or tumors, and repair of fractured jaws

oral pathologist

dentist specializing in the study of oral diseases

orthodontics

dental specialty that treats misalignment of teeth

osseousy

boney

overbite

vertical overlap of the front teeth

overdenture

denture that fits over residual roots or dental implants

overjet

horozontal overlap of the front teeth

palate

hard and soft tissue forming the roof of the mouth

palliative treatment

non invasive relief of irritating conditions

parasthesia

a partial loss of sensation; may be temporary or permanent

partial denture

removable dental prosthesis (appliance) replacing one or more natural teeth

pathology

study of disease

periapical (PA)

region at the end of the roots of teeth

periodontal surgery

recontouring or esthetic management of diseased gum and supporting tissue

periodontist

dental specialist treating the gums and supporting soft and hard tissues retaining natural teeth and the surgical placement of dental implants

pedodontics or pediatric dentistry

dental specialty focusing on treatment of children

periodontal chart

record measuring the depth of gum pockets around the teeth

permanent teeth

(usually) thirty-two adult teeth in a complete dentition

pit

a small defect in the tooth enamel; junction of four formative lobes of a developing tooth

placebo

inert medication or treatment that produces psychological benefit

plaque

soft sticky substance that accumulates on teeth; composed of bacteria and food debris due to inadequate dental hygiene

pontic

replacement tooth mounted on a fixed or removal appliance

porcelain crown

all porcelain restoration covering the coronal portion of tooth (above the gum line)

porcelain fused to metal (PFM) crown

restoration with metal coping (for strength) covered by porcelain (for appearance)

porcelain inlay or onlay

tooth-colored restoration made of porcelain, cemented or bonded in place

porcelain veneers

a thin layer of porcelain, fabricated by a laboratory) bonded to a natural tooth to replace lost tooth structure, close spaces, straighten teeth or change color and/or shape

post

thin metal rod inserted into the root of a tooth after root canal therapy; provides retention for a "coping" that replaces lost tooth structure and retains crown

post-core

post and buildup to replace lost tooth structure and retain crown

post-crown

single structure that combines post-core and crown

PPO or PDO

preferred provider (dental) organization which a health care (dental) provider may join, offering fee for service treatment at reduced fees

prognosis

the anticipated outcome of treatment

prophylaxis

cleaning of the teeth for the prevention of periodontal disease and tooth decay

prosthesis

an artificial appliance for the replacement for a body part

prosthodontist

dental specialist skilled in restoring or replacing teeth with fixed or removable prosthesis (appliance), maintaining proper occlusion; treats facial deformities with artificial prostheses such as eyes, ears, and noses

pulp

the nerves, blood vessels and connective tissue inside a tooth

pulp cap

a medicated covering over a small area of exposed pulp tissue

pulp chamber

the center or innermost portion of the tooth containing the pulp

pulpectomy

complete removal of the pulp (commonly done in children's teeth)

pulpitis

inflammation of the pulp; common cause of toothache

pulpotomy

partial removal of the pulp tissue

pyorrhea

older term for periodontal (gum) disease

reimplantation

insertion and temporary fixation of partially or completely avulsed tooth or teeth, resulting from traumatic injury

reline

acrylic restoration of denture base to compensate for bone loss; direct: done at chairside; indirect: in conjunction with a dental laboratory

restoration

replacement of portion of a damaged tooth

retained root

partial root structure remaining in jaw after extraction or fracture of a natural tooth

root

tooth structure that connects the tooth to the jaw

root canal

common term for root canal therapy, also the interior space of the tooth root

root canal therapy

process of removing pulp of a tooth and filling it with an inert material

root resection

removal of a portion of diseased root structure, retaining the remaining natural tooth

rubber dam

soft latex sheet used to establish isolation of one or more teeth from contamination by oral fluids and to keep materials from falling to the back of the throat

saliva

clear lubricating fluid in the mouth containing water, enzymes, bacteria, mucus, viruses, blood cells and undigested food particles

saliva ejector

suction tube placed in the mouth to remove saliva

salivary glands

located under tongue and in cheeks, produce saliva

scaling and root planing

meticulous removal of plaque and calculus from tooth surfaces

sealants

thin resin material bonded in the pits and fissures of back teeth for the prevention of decay

secondary dentin

reparative tooth structure produced by the pulp in response to tooth irritation

sequstrum

loosened spicule of bone pushed to the surface

sinusitis

infammation of the sinus that may mimc dental pain

sleep apnea

the periodic interruption or delay in breathing during sleep

rubber dam

dental device that holds the space lost through premature loss of baby teeth

rubber dam

connection of two or more teeth so they function as a stronger single structure

supernumerary tooth

extra tooth

suppuration

bacterial contamination of tissue exudate; pus

tartar

common term for dental calculus, a hard deposit that adheres to teeth; produces rough surface that attracts plaque

tmd (or tmj disorder)

temperomandibular disorder; term given to condition characterized by facial pain and restricted ability to open or move the jaw

tmj

the temporomandibular joint, the point where the lower jaw attaches to the skull

third-party provider

insurance company, union, government agency that pays all or a part of cost of dental treatment

tooth bud

early embryonic structure that becomes a tooth

tooth whitening

a chemical or laser process to lighten the color of teeth

topical anesthetic

ointment that produces mild anesthesia when applied to tissue surface

torus

common bony protuberance on the palate or lower jaw

transplant

placing a natural tooth in the empty socket of another tooth

trauma

injury caused by external force, chemical, temperature extremes, or poor tooth alignment

trench mouth

gum disease characterized by severe mouth sores and loss of tissue. See ANUG.

UCR

usual, customary and reasonable fees

unerupted tooth

a tooth that has not pushed through the gum and assumed its correct position in the dental arch

veneer

plastic or porcelain facing bonded directly to a tooth to improve its appearance. See laminate.

vertical dimension

arbitrary space between upper and lower jaws upon closure; may decrease over time due to wear, shifting or damage to the teeth

wisdom teeth

third (last) molars that usually erupt at age 18-25 (when "wisdom is attained")

xerostomia

dry mouth or decrease in the production of saliva