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Article

CBCT Radiological Features as Predictors of Nerve Injuries in Third Molar Extractions: Multicenter Prospective Study on a Northeastern Italian Population

1
School of Specialization in Oral Surgery, Unit of Oral Surgery, Department of Medical, Surgical and Health Sciences, University of Trieste, Piazza dell’Ospitale 1, 34129 Trieste, Italy
2
Unit of Dentistry, Merano Hospital, via Giacomo Rossini 5, 39012 Merano, Italy
3
Department of Medical, Surgical and Health Sciences, University of Trieste, Piazza dell’Ospitale 1, 34129 Trieste, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Christian Bacci
Received: 18 January 2021 / Revised: 4 February 2021 / Accepted: 14 February 2021 / Published: 21 February 2021
(This article belongs to the Special Issue Risk Management in Oral Surgery)
Background: Neurological alterations are one of the main complications occurring after the third molar extractions. The aim of this prospective multicenter cohort study was to find out Cone Beam Computed Tomography (CBCT) features and distribution of neurological complications in patients undergoing lower third molar surgery and to determine the radiological and patient-related factors that could be correlated to the occurrence of inferior alveolar and lingual nerves injury. Material and Methods: 378 patients who underwent lower third molar extraction from March 2018 to March 2019 were included. Clinical and radiological data were collected. CBCT features were recorded following Maglione et al. classification. Symptoms and characteristics of patients who experienced neurological alterations were evaluated. Results: 193 patients needed a second-level radiological exam (CBCT). In these patients, the most common feature was Maglione class 3: a higher frequency of apical or buccal mandibular canals in direct contact with the tooth was observed. 3.17% of the patients developed a neurological complication. Maglione class 4, increased age, and operative time were all positively correlated with neurological alterations. Conclusions: while the buccal or apical position of the mandibular canal was the more common findings, the lingual position was found to have a higher correlation with a negative outcome. Age and operative time were also found to be risk factors for developing nerve injury in the considered population. View Full-Text
Keywords: CBCT; third molars; classification; nerve injures CBCT; third molars; classification; nerve injures
MDPI and ACS Style

Bigagnoli, S.; Greco, C.; Costantinides, F.; Porrelli, D.; Bevilacqua, L.; Maglione, M. CBCT Radiological Features as Predictors of Nerve Injuries in Third Molar Extractions: Multicenter Prospective Study on a Northeastern Italian Population. Dent. J. 2021, 9, 23. https://0-doi-org.brum.beds.ac.uk/10.3390/dj9020023

AMA Style

Bigagnoli S, Greco C, Costantinides F, Porrelli D, Bevilacqua L, Maglione M. CBCT Radiological Features as Predictors of Nerve Injuries in Third Molar Extractions: Multicenter Prospective Study on a Northeastern Italian Population. Dentistry Journal. 2021; 9(2):23. https://0-doi-org.brum.beds.ac.uk/10.3390/dj9020023

Chicago/Turabian Style

Bigagnoli, Stefano, Christian Greco, Fulvia Costantinides, Davide Porrelli, Lorenzo Bevilacqua, and Michele Maglione. 2021. "CBCT Radiological Features as Predictors of Nerve Injuries in Third Molar Extractions: Multicenter Prospective Study on a Northeastern Italian Population" Dentistry Journal 9, no. 2: 23. https://0-doi-org.brum.beds.ac.uk/10.3390/dj9020023

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