Popular Dental Words and Definitions

Abscess

A collection of pus. Usually forms because of infection.

Abrasion

Wear and tear on the teeth

Abutment

A tooth or tooth structure which is responsible for the anchorage of a bridge or a denture.

Acid Etching

The process where the enamel is prepared to improve the bond of a filling or sealant.

Adult Dentition

The permanent teeth of adulthood that either replace the primary dentition or erupt distally to the primary molars.

Amalgam

A silver filling material.

Anesthetic

An agent that causes temporary loss of sensation/feeling.

Anterior

The front position.

Apex

The end of the root.

Asepsis

No micro-organism.

Asymptomatic

Showing no symptoms.

Attrition

Wear of teeth due to activities such as chewing.

Avulsed

An injury that causes a tooth to be completely knocked out of the mouth.

Biofilm

A sticky film that coats the teeth and contains bacteria.

Bitewing

A kind of dental x-ray which is taken with the teeth bite together. The primary function of this kind of x-ray is to detect cavities in between teeth and height of bone support.

Bleaching

Whitening of teeth.

Bottle Mouth Caries

Decay on baby teeth from putting a baby to bed with a bottle.

Bridge

A prosthesis which is fixed inside the mouth to replace missing teeth.

Bruxism

Teeth grinding.

Canal

The space in the tooth containing the pulp tissue and nerve of the tooth

Canine

The third tooth from the middle of the jaw. There are four of them. They are the longest teeth in humans.

Canker sore

Ulceration with a yellow base and red border in the mouth. It can be caused by trauma or herpes simplex virus.

Caries

Tooth decay.

Cavity

A hole in the tooth.

Cast

A model of teeth.

Cementation

The process of “gluing” the appliance/prosthesis on the associated area.

Cementum

The hard connective tissue covering the root of the tooth

Chlorhexidine

An anti-microbial agent. It is available in many forms such as gels and rinses. It is an effective agent in controlling gum diseases.

Clasp

A metal arm extended from a removable partial denture. It helps to hold onto natural tooth structure and thus provide anchorage for the denture.

Cleft Palate

When the roof of the mouth does not form completely

Clenching

Clamping and pressing the teeth together

Cold sore

An ulcer or blister on the lip. A form of herpes simplex.

Composite

White filling.

Cross-bite

An abnormal bite relationship between the upper and lower jaw. The lower teeth/tooth align toward the check/ lip side more than the upper teeth/tooth.

Crown (porcelain/plastic/metal)

A crown is almost like a “cap” on a tooth. It covers the tooth partially or totally above the gum to restore its function and outlook.

Decay

A soft substance caused by the bacterial demineralization of enamel and dentin an infection within a tooth. Must be treated.

Deciduous

Primary or baby teeth

Dentistry

A branch of medicine that involves diagnosis, prevention, and treatment of any disease concerning teeth, oral cavity, and associated structures.

Dentin

The inside layer of the tooth under the enamel

Dentition

The position, type, and a number of teeth in the upper and lower jaw.

Denture

(Immediate/complete/partial) (overdenture, temporary)
An artificial object to replace missing teeth and their neighboring structures. There are many different types of the denture to satisfy different treatment requirements and patient preferences.

Denturist

The person who specializes in fabricating dentures. A Denturist is not responsible for making any diagnosis or carrying out any other treatment (e.g., removing teeth).

Desensitization

A procedure to reduce the sensitivity of teeth.

Diagnosis

The process of identifying dental disease.

Diastema

The space between two adjacent teeth.

Distal

A direction indication in the mouth. It indicates the direction away from the middle of the jaw.

Edentulous

No teeth.

Enamel

The hard outer layer of the tooth

Endodontics

A department of dentistry involving diagnosis, prevention, and treatment of the dental pulp (where the nerves and blood vessels are inside the tooth).

Erosion

Wear on the teeth from acids

Eruption

The process of the tooth appearing in the mouth.

Excision

The action of cutting something off.

Extruded

When a tooth may be pushed partially out of the socket.

Exudate

Pus, inflammation, Necrosis, Death of the tissue

Filling

A restoration placed on a tooth to restore its function and appearance.

Flipper

A temporary denture to replace missing teeth during the waiting period for long term treatment.

Floss

A thread/tape that goes in between teeth for cleaning.

Fluoride

A compound of fluorine (an element) which be put in different forms such as water, gels, and rinses to strengthen teeth.

Fluoride Treatment

Teeth treatment with fluoride agents like gel or rinse. It helps to prevent tooth decay.

Fracture

When a cusp of a tooth becomes weakened, a fracture may result. It is possible for the crack to extend further into the root and damage to the pulp is commonplace.

Framework

A metal skeleton of a removable partial denture to support the false teeth and the plastic attachments.

Frenum

Tissue attachment found between in the upper and lower front teeth, under the tongue and cheeks

Frenectomy

Removal of the frenum

Full mouth debridement

Removal of heavy buildup of plaque and calculus

Gingivitis

The mildest form of gum disease: inflammation of the gum. The earliest sign is bleeding gum.

Gingivectomy

Removal of the tissue surrounding the tooth

Hemorrhage

Bleeding

Hemostasis

Stop bleeding.

Hygienist

Licensed Dental professional

Impaction

A condition where a tooth is not able to come in normal or is stuck underneath another tooth or bone.

Implant

A device (usually “screw-like”) put in the jaw bone to support a false tooth, a denture or a bridge.

Impression

A mold taken by some jelly-like material loaded on a tray.

Incisal

The cutting edge of front teeth.

Incisor

The four upper and lower front teeth.

Inlay

A restoration (usually gold, composite or ceramics) fabricated in the lab that cements on a tooth like a missing puzzle piece. It helps to restore the normal function and outlook of the tooth.

Interproximal

The space between two adjacent teeth.

Lingual

The side of the tooth towards the tongue.

Malocclusion

Improper alignment of the teeth and chewing surfaces

Mandibular Teeth

Teeth on the bottom or lower jaw

Maxillary

Teeth on the top or upper jaw

Mesial

The side of the tooth towards the middle of the jaw.

Molar

The last three upper and lower teeth on both sides of the mouth.

Mouthguard

A device to wear in the mouth. Depending on the design of it, it prevents injury to teeth and/or jaw during teeth grinding or sports events.

Nightguard

A mouthguard which is worn at night time.

Non-vital tooth

The nerve had died, or no blood flow to the tooth

Occlusal

The biting surface of the back teeth.

Occlusal Adjustment

Adjusting the bite

Occlusal Guard

Removable mouthpiece used when patients grind their teeth

Occlusion

The way how the upper and lower teeth close together.

Onlay

A restoration covers the entire biting surface of a tooth.

Open bite

The situation where the upper teeth not able to contact the opposing lower teeth.

Oral

Pertaining to the mouth

Orthodontics

A specialized field in dentistry which involves diagnosis, prevention, and treatment of bite abnormalities or facial irregularities.

Overbite

The overlap of upper teeth and lower teeth when they close together.

Overhang

The portion of filling material that hangs beyond the border of the cavity.

Palate

The roof of the mouth.

Panoramic Radiograph

An x-ray film used to obtain a wide view of the upper and lower jaw and their associated structures.

Perforation

An opening on a tooth or other oral structure.

Periapical

The surrounding of the bottom of the root of a tooth.

Periodontics

A specialty of dentistry involves diagnosis, prevention, and treatment of gum (periodontal) disease.

Permanent teeth

Adult’s teeth. The first permanent tooth usually comes in around six years old.

Periodontal Disease

Inflammation of the gingival tissue

Periodontal Maintenance

Teeth cleaning after a deep scaling

Plaque

A sticky substance composed of bacteria that accumulates on the teeth

Polish

A process to make the tooth, filling or denture smooth and glossy.

Pontic

The false tooth in a bridge or denture to replace the missing tooth.

Post

A big pin which can be made with different materials such as metal or carbon. Its function usually is to support a significant buildup on a tooth.

Posterior

Located at the back.

Pre-authorization

An approval from the particular authority (usually insurance company in dentistry) before any action (treatment) is carried out.

Pre-medication

Medication needing to be taken before treatment. Usually an antibiotic.

Premolar

The two teeth located in front of the molar.

Prescription

A written statement (from a doctor to a pharmacist) regarding the type, the amount and direction of the use of a medication for a patient. In dentistry, a prescription can also be a written statement for preparation of an appliance from a dentist to a lab technician.

Primary teeth

Baby teeth.

Prophylaxis/prophy

The procedure of teeth polishing. It also means the prevention of diseases.

Prosthesis

An artificial part to replace missing teeth and their associated structures.

Prosthodontics

A specialty of dentistry involving diagnosis, treatment planning, and fabrication of artificial parts to replace missing teeth and their associated structures.

Pulp

The innermost part of a tooth. It contains nerves and blood vessels inside a tooth.

Pulpectomy

The removal of the whole pulp inside a tooth.

Pulpotomy

The removal of the top part of the pulp inside a tooth.

Radiograph

An x-ray picture of the teeth

Recall

The regular checkup and teeth cleaning appointment.

Recommendation

The process of “gluing” the appliance/prosthesis back on the associated area.

Restoration

An item a dentist uses to restore the normal function of a tooth or an area in the mouth. It can be a filling, a crown, a bridge, etc.

Retainer

A device used for maintaining the position of teeth in the jaw in orthodontic treatment.

Retreatment

The process of repeating the root canal treatment.

Root

The bottom part of the tooth. It anchors the tooth to its supporting units.

Root canal

The canal that runs inside the root of the tooth. It contains the nerves and blood vessels inside the tooth.

Root canal treatment

Treatment for the root canal inside the tooth.

Root planing

The action of cleaning the root area of teeth.

Rubber dam

A rubber sheet that fits around teeth. It isolates the treatment area from the rest of the oral cavity.

Scaling

The action of cleaning teeth below the gumline.

Sealant

A thin layer of plastic-like material covering the grooves and pits on a tooth to prevent cavity.

Sedation

The use of medication to calm a patient.

Space Maintainer

An appliance to maintain the space between teeth.

Splint

An appliance or a material to prevent movement of a mobile part.

Temporomandibular Joint (TMJ)

The joint that links the two parts of the jaw.

Tissue Graft

The tissue is taken from the roof of the mouth and placed over the root surface

Torus

An outgrowth of bone. It usually develops on the roof of the mouth or around the premolar area on the lower jaw.

Veneer

A layer of tooth-colored material (can be porcelain, composite, or ceramics) that attaches to the front of the tooth. It is usually used to improve the appearance of the tooth.

Vital Teeth

A living tooth with healthy blood flow

Wisdom tooth

The eighth (also the last) tooth from the middle of the jaw.

Xerostomia

Dry mouth