molar tooth


Also found in: Dictionary, Thesaurus, Financial, Encyclopedia.
Related to molar tooth: root canal, wisdom tooth, Molar Tooth Sign

mo·lar tooth

[TA]
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 conic 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.

molar

Chemistry
adjective Referring to the number of moles of solute/L of solution.
 
Dentistry
noun Any of the posterior, multicusped teeth adapted to grinding.

mo·lar tooth

(mō'lăr tūth) [TA]
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 conic 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(s): dens molaris [TA] , molar (2) .

mo·lar tooth

(mō'lăr tūth) [TA]
Tooth with a somewhat quadrangular crown with four or five cusps on grinding surface; root is bifid in lower jaw, but there are three conic roots in the upper jaw; there are six molars in each jaw, three on either side behind premolars in permanent dentition; deciduous dentition has only four molars in each jaw, two on either side behind the canines.
Synonym(s): dens molaris [TA] , cheek tooth, molar (1) .

molar

1. massive; pertaining to a mass; not molecular.
2. adapted for grinding. See also molar teeth.
3. pertaining to an amount of substance specified in moles rather than mass units.
4. containing 1 mole of solute per liter of solution; symbol M.
note: molal refers to the mass of solvent, molar to the volume of the solution.

molar extinction coefficient
constant n the equation describing the Lambert-Beer law pertaining to light spectrophotometry. Usually given the symbol ε.
molar extractor
the universal heavy-duty plier-type instrument with jaws offset to the plane of the handles.
molar gland
inherited displacement of molar teeth
a deformity of the mandible with gross displacement of the teeth. Affected calves are not viable.
molar tooth
see molar teeth.
molar tooth cutter
long-handled, heavily constructed cutter, usually with a double-action scissor system of closing. The chisel-edged blades face each other and are brought together in parallel. They are operated from outside the mouth of the anesthetized horse and are sufficiently powerful to remove a protruding piece of tooth.
References in periodicals archive ?
Molar tooth sign of the midbrain-hindbrain junction: Occurrence in multiple distinct syndromes.
Description, nomenclature, and mapping of a novel cerebello-renal syndrome with the molar tooth malformation.
Structural abnormalities of the brain other than molar tooth sign in Joubert syndrome-related disorders.
The proposed on-line structured questionnaire investigating the opinions of PG in Paediatric Dentistry for the treatment of a child with differing severities of caries in a primary molar tooth was outlined.
It involves the placement of a pre-formed metal crown over a primary molar tooth which has demonstrated caries clinically into dentine, although from which no caries has been excavated.
Concerning the case scenarios where pulpal involvement of a carious primary molar tooth were described, whilst there were a range of preferred options selected, those favoured for a non-anxious patient were pulpectomy and extraction techniques.
Which technique is required to anaesthetize a lower second primary molar tooth for a pulpotomy procedure?
Which surfaces are prepared prior to the conventional restoration of a primary molar tooth with a pre-formed crown?
Operators were instructed to always place FS on the mandibular right molar tooth first.
Before placement of FS, prophylaxis of each molar tooth was undertaken using a dry prophylaxis brush only.