Dental Did You Know: Premolar Morphology

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18/08/2010 at 12:12 pm #9535

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Most mandibular first premolars (two teeth in front of your lower molars) have a single root and a single (nerve) canal, 24% have greater than 2 canals. Typically, people from the African-American, Turkish and Chinese populations have an increased incidence of multiple canals.

Source: Cleghorn BM et al, The root and root canal morphology of the human mandibular first premolar: a literature review, J Endod 2007, Vol 33, pg 509-516.
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