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Mandibular molars with five canals: report of two cases

R G Beatty, K Krell

Journal of the American Dental Association (1939)

|June 1, 1987

Abstract:

A mandibular first and second molar found to contain five root canals are described. Recent literature pertaining to unusual root canal morphological structure is reviewed and a recommendation is made for a complete and thorough examination of the chamber floor for even seemingly straightforward and simple nonsurgical endodontic cases.

Related Concept Videos

Teeth

Teeth

The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin and...

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