glossary pixel.gif (807 bytes) Glossary of Medical and PreViser™ Terms

Please also see the Definitions of Terms overview page for other resources in the Appendix for additional definitions of terms used in Risk Assessments and in the Treatment Options Library.

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Abutment: A tooth or implant used to support a bridge or prosthesis. Also, a term used to denote the teeth on either side of a missing tooth.
Anterior: Refers to the teeth and tissues located towards the front of the mouth - maxillary and mandibular incisors and canines.
Apical: Towards the apex (or root tip) of the tooth.
Alveolar Bone: The bone surrounding the root of the tooth; loss of this bone is typically associated with severe periodontal disease.
Bruxism: The grinding of teeth; usually occurs during sleep.
Buccal: The surface of a tooth in contact with the cheek; opposite to the lingual surface.
Calculus: Hard calcium-like deposits which form on teeth and dentures.
Caries: The technical term for tooth decay.
Carious lesion: Decay in tooth caused by caries, commonly called a cavity.
CDJ: Junction of the cementum and dentin.
CEJ: (cervical line) Junction of the cementum and enamel; not always exact; sometimes cementum and enamel do not meet.
Cementum: Bonelike calcified tissue covering the dentin in the root of the tooth.
Clenching: The clamping and pressing of the jaws and teeth together in occlusion, frequently associated with psychological stress or physical effort.
Cusp: Pointed or rounded eminence on or near the masticating surface of a tooth.
Decalcification: The loss of calcium from teeth, weakening the teeth and making them more susceptible to decay.
DEJ: Junction of the dentin and enamel.
Dentin: Hard calcified tissue surrounding the pulp and underlying the enamel and cementum; makes up the bulk of the tooth.
Diagnostic data: Diagnostic data refers to clinical observations and patient health history (e.g. Smoking history, Pocket Depths).
Distal: The surface of the tooth farthest from the midline of the dental arch; opposite the mesial.
Dry mouth: Salivary flow below 0.1 ml per minute is technically classed as xerostomia (dry mouth).
Enamel: The hard, white shiny surface of the crown; hardest calcified tissue covering the dentin in the crown of the tooth.
Endodontics: The treatment of diseases or injuries that affect the root tip or nerve of the tooth.
Extraction: The removal of a tooth.
Facial: The surface of a tooth next to the face; the outer surface of a tooth resting against the cheeks or lips, usually referring to the front surfaces of the anterior teeth..
First molar: The teeth just behind the second bicuspids. These teeth have a level surface with four cusps.
Fixed orthodontic appliance: Any orthodontic component that is cemented or bonded to the teeth.
Fixed Prosthesis: Non-removable tooth-borne dental prosthesis which is solidly attached to abutment teeth or roots or implants.
Flap surgery: This technique involves reflecting (lifting) the gum away and then suturing (stitching) it back into place or into a new position that will be easier to clean.
Fluoride products: This includes fluoridated water, supplements, toothpaste, liquid rinses, or gels.
Fracture: The breaking of a tooth.
Furcation (or furca): The anatomical area of a multi rooted tooth where the roots divide. There are bifurcations and trifurcations, depending on the number of roots.
Furcation involvements: This ranges from early stages (where the probe can enter the tip of the furcation area, with initial bone loss, and possibly not visible radiographically) through the most severe states (where the probe can pass between the roots, with total bone loss and possibly gingival occlusion).
Gingiva: The soft tissue surrounding teeth, also known as the gums.
HIPAA The US Health Insurance Portability and Accountability Act (HIPAA) requires all US health plans and any dentist who transmits health information in an electronic transaction to use a standard format
Implant: A replacement for a missing tooth that is implanted into bone, designed to be placed surgically within or on the mandibular or maxillary bone. Typically, a crown, bridge, or denture is then placed over the implant to restore function and aesthetics.
Incisor: The central and lateral incisors; the first and second teeth from the midline of the mouth.
Insurer: Insurers are organizations who insure patients against health care costs.
Interproximal: Refers to the space between the adjoining surfaces of adjacent teeth.
Lingual: The surface of a tooth in contact with the tongue; opposite to the buccal surface.
Mandibular: Referring to the lower jaw (the mandible).
Maxillary: Referring to the upper jaw (the maxillae).
Mesial: The surface of the tooth closest to the midline of the dental arch; opposite to the buccal surface.
Molars:

Teeth posterior to the premolars (bicuspids) on either side of the jaw, grinding teeth, having large crowns and broad chewing surfaces.

Occlusal: Relating to the biting surface of teeth. Occlusion refers to any contact between biting or chewing surfaces of maxillary (upper) and mandibular (lower) teeth.
Osseus (bone) surgery: A technique that involves reshaping bone in the mouth.
Patient: A Patient is an individual requiring health care furnished by a provider.
Periapical: Relating to the space around the apex of a tooth root.
Periodontal ligament: Dense connective tissue enveloping the roots of teeth, located between the cementum and alveolar bone.
Periodontal pocket: The pocket that forms when the gums lose attachment from the teeth.
Periodontal probe: A dental instrument used to measure pocket depth.
Periodontal RiskCalculator™ The Periodontal RiskCalculator™ assigns a risk and current disease score for periodontitis based on data collected during the course of a standard oral examination. The tool has predicted with a statistical validity of p< .00001 the periodontal status of untreated patients over a 15-year study period. In the software, this tool is referred to as a Periodontal Risk and Disease Assessment.
Periodontium: The combination of several tissues that support the teeth, including the gingiva, the cementum, the periodontal ligament, and alveolar bone.
Permanent teeth: The teeth that replace the deciduous or primary teeth.
Pocket: A feature of periodontal disease where the connecting tissue has lost its attachment leaving an abnormally deep "pocket" where bacteria and debris collect.
Pontic: The component of a bridge that replaces the missing teeth.

Premolars (bicuspids) :

Two-cusped teeth between the eye teeth and the molars.
PreViser ID: This unique identifier is used to locate and store a Patient’s report history in the PreViser™ system, yet remain compliant with privacy standards by keeping the information de-identified. This random 32-character ID is automatically generated by PreViser™ at the time the patient record is created and saved, and cannot be changed.
Primary teeth: The first set of teeth which come in; also called "baby teeth" or "deciduous teeth".
Prophylaxis: A general meaning to clean the teeth, also known as a prophy. Specifically, a prophylaxis is a scaling and polishing procedure performed to remove coronal plaque, calculus and stains.
Prosthesis: Any device or appliance replacing one or more missing teeth and/or, if required, associated structures. (This is a broad term which includes abutment crowns, and abutment inlays/onlays, bridges, dentures, obturators and gingival prostheses).
Provider: A Provider is an individual clinician providing health care to Patients.
Provisional: Formed or preformed for temporary purposes or used over a limited period; a temporary or interim solution; usually refers to a prosthesis or individual tooth restoration.
Proximal: The surface of the tooth that touches the adjacent tooth; refers to the mesial and distal surfaces.
Pulp: The innermost noncalcified tissue containing blood vessels, lymphatics, and nerves.
Quadrant: Denotes one of four equal sections in the mouth. The upper right, upper left, lower right or the lower left.
Radiographic: Referring to x-rays.
Removable prosthesis: Dental prosthesis designed to be removed and reinserted by the patient.
Restorations: Any replacement for lost tooth structure or teeth (ie. bridges, fillings, crowns and implants).
Root planing: The removal of hard deposits from the root surface below the gumline.
Scaling: Scraping of the tooth above the gums, to remove of plaque, calculus and stain from teeth.
Sealant: The application of a clear resin over the biting surfaces of teeth to prevent decay.
Second molars: The teeth just behind the first molars. These teeth have a level surface with four cusps.
Sextant: The division of teeth into six parts:
maxillary right, maxillary anterior, maxillary left, mandibular right, mandibular anterior, mandibular left.
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.
Target Tooth: The “Target Tooth” is an area of focus in determining the Caries Risk Score. It describes the type of tooth that has been most recently exposed to saliva for at least 12 months. In other words, what type of tooth has erupted and begun to grow in most recently, but has been exposed in the mouth since the initial eruption for at least 12 months before the date of the exam?
Tooth RiskCalculator™: The Tooth RiskCalculator™ determines the likelihood that an individual will develop caries (tooth decay), and also calculates risk of damage to the root surface and risk of tooth fracture. In the program, this tool is referred to as a Caries, Root, and Fracture Risk Assessment.
Topical fluoride:

Topical application of a gel or liquid that prevents decay, applied directly to the area of concern.

Treatment: Treatments are actions by the Patient or Provider used to treat a Patient (e.g. Smoking cessation, Root Planing).
Treatment Option Plan: A Treatment Option Plan is a suggested list of treatment options that could be applied to improve the Patient's health and reduce risk.
UCR: Stands for Usual, Customary, and Reasonable. The definition varies from company to company, but is generally a standard by which insurance companies set maximum benefit levels.
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