Dental Anatomy: Permanent maxillary molars

Permanent maxillary molars:
?Permanent maxillary molars are the largest and strongest maxillary teeth.
?Generally speaking, the maxillary molars have large crowns with four well-formed cusps. They have three roots, two buccal and one lingual, the lingual root is the largest.
?They are not succedaneous teeth, because they have no predecessors, they erupt behind the deciduous molars.

The main function of the permanent maxillary molars is:
?grinding of the food, they assist the mandibular molars in performing the major portion of the work in the mastication
?supporting the muscles of mastication.
?maintaining vertical dimension.

Permanent maxillary 1st molar:
?It is the largest tooth in the maxillary arch.
?The permanent first molars usually appear in the oral cavity when the child is 6 years old, the mandibular molars precede the maxillary molars.
?The first permanent molar (maxillary or mandibular) erupts posterior to the second deciduous molar, taking up a position in contact with it.