Resumo

RECIO LORA, C. et al. Rational application of coronectomy when treating lower impacted third molar. Rev Esp Cirug Oral y Maxilofac [online]. 2009, vol.31, n.4, pp.250-256. ISSN 2173-9161.

Third molars are the teeth that most frequently fail to erupt and remain impacted or retained inside the bone. A large percentage of our patients have impacted wisdom teeth and many of these patients also have pathologies that require surgical treatment. Applied coronectomy technique of the impacted third molar was first described by Ecuyer and Debien in 1984. The described it as partial elimination of the tooth in question, deliberately leaving part of the root inside the bone. This was proposed to avoid injuring the inferior dental nerve in cases where there was a close relationship between the two anatomical structures. Although the objective of the procedure is very clear, it is still controversial. Therefore, the surgeon should evaluate the possibility of an infectious complication of pulpar origin. We present the successful clinical case that uses this technique, as well as an analysis of the distinct authors' opinions this technique and its advantages and disadvantages.

Palavras-chave : Impacted Third Molar; Tooth Extraction; Nervous lesion; Coronectomy.

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