Used with permission from the American Dental Association

Q

Quadrant

One of the four equal sections into which the dental arches can be divided; begins at the midline of the arch and extends distally to the last tooth.

R

Radicular

Pertaining to the root.

Rebase

Process of refitting a denture by replacing the base material.

Regional Block Anesthesia

See anesthesia.

Reline

Process of resurfacing the tissue side of a denture with new base material.

Reimplantation, Tooth

The return of a tooth to its alveolus.

Removable Partial Denture

A removable partial denture (removable bridge) is a prosthetic replacement of one or more missing teeth that can be removed by the patient.

Resin-based Composite

See composite.

Retainer:

Orthodontic Retainer

Appliance to stabilize teeth following orthodontic treatment;

Prosthodontic Retainer

A part of a fixed partial denture that attaches a pontic to the abutment tooth, implant abutment, or implant.

Retrograde Filling

A method of sealing the root canal by preparing and filling it from the root apex.

Root:

The anatomic portion of the tooth that is covered by cementum and is located in the alveolus (socket) where it is attached by the periodontal apparatus; radicular portion of tooth.

Residual Root

Remaining root structure following the loss of the major portion (over 75%) of the crown.

Root Canal

The portion of the pulp cavity inside the root of a tooth; the chamber within the root of the tooth that contains the pulp.

Root Canal Therapy

The treatment of disease and injuries of the pulp and associated periradicular conditions.

Root Planing

A procedure designed to remove microbial flora, bacterial toxins, calculus, and diseased cementum or dentin on the root surfaces and in the pocket.

S

Scaling

Removal of plaque, calculus, and stain from teeth.

Sextant

One of the six relatively equal sections into which a dental arch can be divided, for example: tooth numbers 1-5; 6-11; 12-16; 17-21; 22-27; 28-32. Sometimes used for recording periodontal charting.

Sialodochoplasty

Surgical procedure for the repair of a defect and/or restoration of portion of a salivary gland duct.

Sialography

Inspection of the salivary ducts and glands by radiograph after the injection of a radiopaque medium.

Sialolithotomy

Surgical procedure by which a stone within a salivary gland or its duct is removed, either intraorally or extraorally.

Site

A term used to describe a single contiguous area, position, or locus. A single site is an area of communication that may involve adjacent teeth. All non-communicating areas are single sites.

Splint

A device used to support, protect, or immobilize oral structures that have been loosened, replanted, fractured, or traumatized. Also refers to devices used in the treatment of temporomandibular joint disorders.

Stomatitis

Inflammation of the membranes of the mouth.

Stress Breaker

That part of a tooth-borne and/or tissue-borne prosthesis designed to relieve the abutment teeth and their supporting tissues from harmful stresses.

Study Model

Plaster or stone model of teeth and adjoining tissues; also referred to as diagnostic cast.

Suture

Stitch used to repair incision or wound.

T

Temporary Removable Denture

An interim prosthesis designed for use over limited periods of time.

Temporo-mandibular (TMJ)

The connecting hinge mechanism between the base of the skull (temporal bone) and the lower jaw (mandible).

Temporomandibular Joint Dysfunction

Abnormal functioning of temporomandibular joint; also refers to symptoms arising in other areas secondary to the dysfunction.

Tissue Conditioning

Material intended to be placed in contact with tissues, for a limited period, with the aim of assisting the return to a healthy condition.

Transitional

Relating to a passage or change from one position, state, phase, or concept to another.

Torus

A bony elevation or protuberance of bone; see exostosis.

Transplantation of Tooth

Transfer of a tooth from one socket to another, either in the same or a different person.

Transseptal

Through or across a septum.

Trismus

Restricted ability to open the mouth, usually due to inflammation or fibrosis of the muscles of mastication.

U

Unerupted

Tooth/teeth that have not penetrated the oral cavity.

Unilateral

One-sided; pertaining to or affecting but one side.

V

Veneer

In the construction of crowns or pontics, a layer of tooth-colored material, usually, but not limited to, composite, porcelain, ceramic or acrylic resin, attached to the surface by direct fusion, cementation, or mechanical retention; also refers to a restoration that is luted to the facial surface of a tooth.

Vestibuloplasty

Any of a series of surgical procedures designed to increase relative alveolar ridge height.

W

Wax Pattern

A wax form that is the positive likeness of an object to be fabricated.

X

Xerostomia

Decreased salivary secretion that produces a dry and sometimes burning sensation of the oral mucosa and/or cervical caries.

X-ray

Radiograph.

Y

Yeast

A general term for a fungus occurring as a unicellular, nucleated organism that usually reproduces by budding, although some yeasts may reproduce by fission, many producing mycelia or pseudomycelia.

Z

Zygomatic Bone

Quadrangular bone on either side of face that forms the cheek prominence (see malar).

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