| molar t. |
the most posterior teeth on either side in each jaw, totaling 8 in the deciduous dentition (2 on each side, upper and lower), and usually 12 in the permanent dentition (3 on each side, upper and lower). They are the grinding teeth, having large crowns with broad chewing surfaces. The upper molars characteristically have 4 major cusps and three roots. The lower first molars characteristically have 5 cusps, and the remaining lower molars 4 cusps. Normally all lower molars have two roots. The third molars (“wisdom teeth”) are often malformed, but when developed normally their crown and root form corresponds in general with neighboring molars in the same jaw. Symbol M. Called also molars and dentes molares [TA].
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| molar t., third |
the tooth most distal to the medial line on either side in each jaw, so called because it is the last of the permanent dentition to erupt, usually at the age of 17 to 21 years. Called also wisdom t., third molar, dens molaris tertius [TA], and dens serotinus [TA alternative].
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| molar1 |
1. pertaining to a mole of a substance, such as molar mass or molar absorptivity, i.e., the quantity of some property associated with a mole of the substance. 2. a measure of the concentration of a solute, expressed as the number of moles of solute per liter of solution, e.g., 0.25M = 0.25 mole per liter (mol/L). The latter notation is used in the SI system.
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| molar2 |
1. see under tooth. 2. pertaining to a molar tooth.
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| molaris |
1. adapted for grinding. 2. one of the molar teeth (dentes molares [TA]).
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