Coronectomy of lower third molars in intimate relation to the inferior alveolar nerve: a report of two cases

• Ángel-Orión Salgado-Peralvo ^[1] ; Naresh Kewalramani ^[3] ; David Madruga-González ^[4] ; Alvaro Garcia-Sanchez ^[5] ; Javier Barbi-Actis ^[2] ; Mario Pérez-Sayáns ^[2]
  1. [1] Universidad Complutense de Madrid

     Universidad Complutense de Madrid

     Madrid, España

     
  2. [2] Universidade de Santiago de Compostela

     Universidade de Santiago de Compostela

     Santiago de Compostela, España

     
  3. [3] ORCID: 0000-0002-8174-0937. DDS, MSc. Department of Nursery and Stomatology, Faculty of Dentistry, Rey Juan Carlos University, Spain
  4. [4] DDS, MSc. Department of Nursery and Stomatology, Faculty of Dentistry, Rey Juan Carlos University, Spain
  5. [5] DDS, MSc. Department of Oral Health and Diagnostic Sciences, School of Dental Medicine, University of Connecticut Health, USA

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• Localización: Journal of Clinical and Experimental Dentistry, ISSN-e 1989-5488, Vol. 16, Nº. 2 (February), 2024, págs. 223-228
• Idioma: inglés
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• Resumen

  • Damage to the inferior alveolar nerve (IAN) secondary to the extraction of the lower third molar (LTM) is a relatively frequent complication (0.35–8.40%) that can cause temporary or permanent nerve damage. Coronectomy has been proposed as an alternative, which consists of sectioning the coronary portion of the LTM, and deliberately leaving the radicular portion with the pulp intact. Two clinical cases are presented in this article, in which root migration (0–0.3 mm) and a change of angulation (+2º to +9°) occurred. None of the cases developed complications during the follow-up period (12 months). Therefore, coronectomy is a procedure to be considered in selected cases as an alternative to conventional exodontia of the LTM to avoid possible damage to the IAN.