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The maxillary first molar is the human tooth located laterally (away from the midline of the face) from both the maxillary second premolars of the mouth but mesial (toward the midline of the face) from both maxillary second molars.
Discover the anatomy, development, and function of the maxillary first molar tooth. Learn about its key features and its role in mastication.
The first maxillary molar is the most significant tooth of all maxillary molar teeth. It has a rhomboid shape, and its mesiodistal length is slightly smaller than the buccolingual length. The buccal mesiodistal length of the first maxillary molar is narrower than the same palatal length.
The maxillary first molar is the largest tooth in the maxillary dental arch. The tooth has four well-developed cusps and one accessory or supplementary cusp called the cusp of Carabelli. The maxillary first molar has three well-developed roots.
The present case report discusses the successful endodontic management of a maxillary first molar presenting with five root canals consisting of double mesiobuccal root canals, one distobuccal root canal, and one 1-2-1-shaped palatal root canal by CBCT; the related literature is also reviewed.
Introduction. The primary dentition constitutes the first teeth to erupt in the pediatric patient. Comprised of 20 teeth, they are labeled based on an alphabetical system rather than the numbering system used for permanent teeth. The primary teeth are organized in two arches: the maxillary (upper) arch and the mandibular (lower) arch. [1]
Maxillary First Molar. Figures 11-1 through 11-18 illustrate the maxillary first molar from all aspects. The crown of this tooth is wider buccolingually than mesiodistally. Usually the extra dimension buccolingually is about 1 mm .