Diagnosis: Definition: The identification of the nature of an illness or other problem by examination of the symptoms. Diagnosis is the evaluation of the existing condition, more specifically. It can also be described as The act or process of deciding the nature of a diseased condition by examination. A careful investigation of the facts to […]
Objectives Of Impression Making
An impression is made for the purpose of recording the anatomical landmarks and then to reproduce them on the cast to be poured. The main 5 objectives of impression making are: PRESS P – Preservation of remaining tooth structures R – Retention E – Esthetics S – Stability S – Support Retention: It is defined […]
GPT Terms – Z
zero-degree teeth: posterior denture teeth having 0-degree cuspal angles in relation to the plane established by the horizontal occlusal surface of the tooth— called also zero-degree nonanatomic teeth—see NONANATOMIC TEETH zinc oxide eugenol cement: a cement or luting agent resulting from mixing zinc oxide with eugenol (oil of cloves), typically dispensed in the form of a […]
GPT Terms – Y
yield strength : the strength at which a small amount of permanent (plastic) strain occurs, usually 0.1% or 0.2%, and most frequently measured in MPa or psi Young’s modulus: [Thomas Young (1773-1829) English physician and physicist] eponym for the constant of proportionality expressed in the stress-strain plot as the slope in the elastic region where elastic […]
GPT Terms – X
1X-ray : the process of exposing objects to roentgen rays and projecting their shadow on sensitized surfaces 2X-ray : see ROENTGEN RAY X-ray picture: see ROENTGENOGRAM xenogenic graft : a graft from one species to another species— called also heterologous graft xer·o·stomia : dryness of the mouth from lack of normal secretions
GPT Terms – W
warp : torsional change of shape or outline; to turn or twist out of shape wash impression slang: see FINAL IMPRESSION wave length : the distance at any instant between two adjacent crests (or identical phases) of two series of waves that are advancing through a uniform medium. The wavelength varies inversely with the vibration […]
GPT Terms – V
vacuum casting : the casting of a material (i.e., metal, plastic) in the presence of a partial vacuum vacuum investing : the process of investing a pattern within a partial vacuum vacuum mixing : a method of mixing a material such as plaster of paris or casting investment below atmospheric pressure val·ue : the quality […]
GPT Terms – U
UCLA abutment substand: a colloquial term used to describe a dental crown that is attached directly to the implant body by means of a screw without an intervening abutment ultimate strength : the greatest stress that may be induced in a material at the point of rupture—called also ultimate tensile strength ul·tra·vi·o·let: radiant energy of wavelengths […]
GPT Terms – T
ta·ble: a flat surface; a raised horizontal surface—see GUIDE T., OCCLUSAL T. ta·per: in dentistry, the convergence of two opposing external walls of a tooth preparation as viewed in a given plane. The extension of those average lines within that plane form an angle describe as the angle of convergence tech·nic : a detailed procedure in […]
GPT Terms – S
sad·dle n, obs: see DENTURE BASE saddle pontic obs: a pontic with a broad concave facio-lingual area of contact with the residual ridge. It is also know as a ridge lap pontic. This type of pontic is known to be uncleanseable and result in tissue irritation at the area of contact with the ridge mucosa sag·it·tal : […]
GPT Terms – R
RAD: acronym for Radiation Absorbed Dose, a unit of measurement of the absorbed dose of ionizing radiation. The biologic effect of one rad varies with the type of radiation tissue is exposed to—see also GRAY radiation : the emission of electromagnetic waves, such as light, short wave, radio, ultraviolet, or x-rays, or particulate rays such as […]
GPT Terms – Q
Q.D.: every day Q.H.: every hour Q.I.D.: four times a day Q.L.: as much as desired Q.Q.H.: every 4 hours quadrant 1: any of the four quarters into which something is divided by two real or imaginary lines that intersect each other at right angles 2: in dentistry, one of the four sections of the dental […]
GPT Terms – P
pack l: to make into a compact form 2: to completely fill 3: to crowd together 4: to compress—pack·a·bil·i·ty —pack·able pack: any material used to protect tissue, fill space or prevent hemorrhage packing : the act of filling a mold—see DENTURE P. pain : a subjective unpleasant sensory and emotional experience associated with actual or potential tissue damage […]
GPT Terms – O
oblique ridge : the elevation in the enamel that runs obliquely across the occlusal surface of a maxillary molar ob·tun·dent : an agent or remedy that lessens or relieves pain or sensibility ob·tu·ra·tor: 1. a maxillofacial prosthesis used to close a congenital or acquired tissue opening, primarily of the hard palate and/or contiguous alveolar/soft tissue […]