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			File:Mandibular_first_molars01-01-06.png\|Mandibular first molar
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'''Mandibular first molar'''

The '''Mandibular first molar''' or '''first lower molar''' is the tooth located distally (away from the midline of the face) from both the [[mandibular second premolars]] of the mouth but mesial (toward the midline of the face) from both [[mandibular second molars]]. The function of this molar is to grind and chew food, similar to all other [[molars]].

==Etymology==
The term "mandibular" is derived from the Latin word "mandibula" which means "jaw" or "jawbone". The term "molar" is derived from the Latin word "mola" which means "millstone".

==Anatomy==
The mandibular first molar is the largest tooth in the [[human dentition]]. It has five cusps, two buccal (cheek side), two lingual (tongue side), and one distal. The mesial (front) surface of the tooth has two roots, one mesial and one distal. The distal (back) surface of the tooth has one root.

==Development==
The mandibular first molar is typically the first tooth to erupt in the [[permanent dentition]], usually around the age of six years. The roots continue to develop and the tooth is usually fully formed by the age of nine years.

==Clinical significance==
The mandibular first molar is often the first tooth to show signs of [[dental caries]] due to its early eruption. It is also often the first tooth to be lost due to caries or [[periodontal disease]].

==Related terms==
* [[Mandibular second molar]]
* [[Mandibular third molar]]
* [[Mandibular incisors]]
* [[Mandibular canines]]
* [[Mandibular premolars]]

[[Category:Dentistry]]
[[Category:Teeth]]

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Mandibular first molar - Revision history

Prab: CSV import

Prab: CSV import