Article: Volume 46 Number 11 Page 1072 - December 2019

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  Dent Update 2019; 46: 1072-1074

Paediatric dentistry:  Increased Primate Space in the Mandible

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Abstract: Primate spaces are diastemata consistent with an inherent physiological pattern rather than functional adaptation. This article presents an atypically increased primate space only in the right mandibular arch.

Clinical relevance: Differential diagnoses that can be considered for an asymmetrically enlarged primate space include individual variation, tooth size, arch length discrepancy, infection, traumatic dental injury or an obstructive pathology, such as a malignant neoplasm, developmental cyst, odontoma or supernumerary tooth.

Author notes: Anna Buckeridge, BDSc, Robert Anthonappa, BDS, MDS(Paed Dent), PhD, AdvDipPaediatrDent, FDSRCS(Edin), MPaedRCS(Edin), MRACDS(Paed) (email: and Nigel King, BDS, MSc, PhD, LDS RCS, Hon FDSRCS, FHKAM, FCDSHK, University of Western Australia, 35 Stirling Highway, Crawley WA 6009, Australia.

Objective: To identify whether primate space width is within normal limits and consider the possible causes of an asymmetrically increased primate space.

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