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Definition of Primary dentition

Primary dentition: The set of 20 first (deciduous) teeth. The primary dentition is as opposed to the secondary (permanent) dentition. At birth, both sets of dentition are evident by X-ray.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=5043
Last Editorial Review: 4/27/2011 5:27:15 PM

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