A novel approach to intraoral mandibular nerve anesthesia: changing reference planes in the Gow-Gates block technique

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons
Adriana ShinagawaAntonio C Campos

Abstract

The Gow-Gates technique is said to have several advantages over traditional techniques to achieve mandibular nerve anesthesia; however, its routine use is quite limited, mainly due to complications during visual alignment of reference landmarks. The purpose of this study was to verify the validity and accuracy of a new method to reach the injection site. Fifteen magnetic resonance images were captured. Distances from the ideal injection point in the condylar neck (puncture ideal) to the injection points located in the alpha and beta plane intersection (puncture Gow-Gates and puncture modified) were measured and compared. Positive and significant (P <or= .003) Pearson correlations between landmarks and injection points confirmed the validity of the modified technique. Paired t test showed that the segment line puncture ideal-puncture modified, 5.17 mm, was 3 times shorter (P < .001) than the segment line puncture ideal-puncture Gow-Gates, 17.91 mm. As calculated by linear regression, establishing the injection point of the modified technique depended only on the anteroposterior and lateromedial condyle positions. The modified technique proved to be valid and precise and has a determined and an effective injection site.

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Citations

Jul 15, 2011·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Sinan AyM Isa Kara
Apr 27, 2011·Okajimas Folia Anatomica Japonica·Ippei OtakeIzumi Mataga
Oct 23, 2018·Journal of Maxillofacial and Oral Surgery·B Sarat Ravi KiranAkanksha Sachdeva
Oct 23, 2020·Clinical Oral Investigations·Arthur José Barbosa de FrançaSandra Lúcia Dantas de Moraes

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