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CES Odontología
versión impresa ISSN 0120-971X
Resumen
GOMEZ-FERNANDEZ, Dolores; RIVAS-GUTIERREZ, Rafael y GUTIERREZ-ROJO, Jaime Fabián. Prevalence of upper lateral incisor microdontia in a mexican population. CES odontol. [online]. 2013, vol.26, n.2, pp.67-73. ISSN 0120-971X.
Introduction and objective: Microdontia is an anomaly in which teeth are present with a size below normal. It presents problems involving arc length and facial aesthetics. When the width of the upper lateral incisor (ULI) is lower or equal or until 0.7 mm wider than the lateral incisor, the result would be mandibular excess material in relation to the upper. To determine the prevalence of ULI microdontia and determine the frequency of microdontia relative to size and side. Materials and methods: The universe of study was 1345 models of patients pretreatment of the Especialidad de Ortodoncia of the Universidad Autonoma de Nayarit of the years 2002-2012. Measurements were made of the mesiodistal widths of the upper and lower lateral incisors and applied descriptive statistics. Results: 40,5% of ULI present microdontia, on the right side 13%, 12,7% on the left and 14,7% bilaterally. For right side ULI with microdontia the average was 6,6+0,4mm, the left side was 6,4+0,5mm. For cases with bilateral microdontia the average was 6,2+0,6mm on the right side and 6,5+0,6mm on the left side. Conclusion: The study reflects a high percentage of ULI microdontia according to Binder and Cohen criteria which should be considered in the planning of orthodontic treatment.
Palabras clave : Microdontia; Upper lateral incisor.