| DOES | disorders of excessive sleepiness |
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| DSM | dextrose solution mixture; Diagnostic and Statistical Manual [of Mental Disorders]; Diploma in Socia... |
| DSM-III-R | Diagnostic and Statistical Manual of Mental Disorders [of APA], third edition, revised |
| DSM-IV | Diagnostic and Statistical Manual of Mental Disorders [of APA], fourth edition |
| GDS | geriatric depression scale; Global Deterioration Scale; Gordon Diagnostic System [for attention diso... |
| permanent tooth | One of the 32 teeth belonging to the second or permanent dentition; eruption of the permanent teeth begins from the fifth to the seventh year, and is not completed until the seventeenth to the twenty-third year, when the last of the wisdom teeth appears. Synonym: dens permanens, dens succedaneus, second tooth, secondary dentition, succedaneous dentition, succedaneous tooth. (05 Mar 2000) |
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| perpetually growing tooth | A physiologic phenomenon whereby the tooth continually or constantly grows, calcifies, and erupts; e.g., the rat incisor tooth. Synonym: persistently growing tooth. (05 Mar 2000) |
| persistently growing tooth | A physiologic phenomenon whereby the tooth continually or constantly grows, calcifies, and erupts; e.g., the rat incisor tooth. Synonym: persistently growing tooth. (05 Mar 2000) |
| root canal of tooth | The chamber of the dental pulp lying within the root portion of a tooth. Synonym: canalis radicis dentis, marrow canal, pulp canal. (05 Mar 2000) |
| root of tooth | That part of a tooth below the neck, covered by cementum rather than enamel, and attached by the periodontal ligament to the alveolar bone. Synonym: radix dentis, radix, root. (05 Mar 2000) |
| cingulum of tooth | A U-or W-shaped ridge at the base of the lingual surface of the crown of the upper incisors and cuspid teeth, the lateral limbs running for a short distance along the linguoproximal line angles, the central portion just above the gingiva. Synonym: cingulum dentis, basal ridge, lingual lobe. (05 Mar 2000) |
| milk tooth | A tooth of the first set of teeth, comprising 20 in all, that erupts between the mean ages of 6 and 28 months of life. Synonym: dens deciduus, baby tooth, deciduous dentition, dens lacteus, first dentition, milk tooth, primary dentition, primary tooth, temporary tooth. (05 Mar 2000) |
| molar tooth | A tooth having a somewhat quadrangular crown with four or five cusps on the grinding surface; the root is bifid in the lower jaw, but there are three conical roots in the upper jaw; there are six molars in each jaw, three on either side behind the premolars in the permanent dentition; in the deciduous dentition there are but four molars in each jaw, two on either side behind the canines. Synonym: dens molaris, cheek tooth, molar, multicuspid tooth. (05 Mar 2000) |
| mouse-tooth forceps | A forceps with one or two fine points at the tip of each blade, fitting into hollows between the points on the opposite blade. (05 Mar 2000) |
| wisdom tooth | <dentistry> Another name for the third molar. (08 Jan 1998) |
| wolf tooth | A rudimentary first premolar tooth of the horse, usually appearing in the upper jaw. (05 Mar 2000) |
| multicuspid tooth | A tooth having a somewhat quadrangular crown with four or five cusps on the grinding surface; the root is bifid in the lower jaw, but there are three conical roots in the upper jaw; there are six molars in each jaw, three on either side behind the premolars in the permanent dentition; in the deciduous dentition there are but four molars in each jaw, two on either side behind the canines. Synonym: dens molaris, cheek tooth, molar, multicuspid tooth. (05 Mar 2000) |
| contact surface of tooth | The surface of a tooth that faces an adjacent tooth in the dental arch; the contact surface that is closest to the anterior midline of the dental arch is the mesial surface of a tooth; that farthest is the distal surface. Synonym: facies approximalis dentis, facies contactus dentis. (05 Mar 2000) |
| cracked tooth syndrome | <syndrome> A toothache caused by a broken tooth (tooth fracture) without associated cavity or advanced gum disease. Biting on the area of tooth fracture can cause severe sharp pains. These fractures are usually due to chewing or biting hard objects such as hard candies, pencils, nuts, etc. Sometimes, the fracture can be seen by painting a special dye on the cracked tooth. Treatment usually is to protect the tooth with a crown. However, if placing a crown does not relieve pain symptoms, a root canal procedure may be necessary. (12 Dec 1998) |
| crown of tooth | The portion of a tooth covered with enamel. Synonym: corona dentis, anatomical crown. (05 Mar 2000) |