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Which Tooth Has Four Roots?

James H. Sterling • • 7 min read
Which Tooth Has Four Roots?

Type II maxillary molar

maxillary molar
290269. Anatomical terminology. 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.
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has four separate roots, but the roots are often shorter, run parallel, and have buccal and palatal root morphology with blunt root apices.

How rare is a tooth with four roots?

Understanding of the presence of additional roots and unusual root canals is essential and determines the success of endodontic treatment1. The existence of maxillary second molars with 4 roots (2 buccal and 2 palatal) is extremely rare and ranges about only 0.4%.

Can a molar tooth have 4 roots?

The majority of human maxillary first molars is usually described as having three roots, but different morphologies were documented in several studies and case reports. One very rare and less investigated anatomical anomaly is the occurrence of four radicular structures in the upper first molars.

James H. Sterling
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James H. Sterling

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.