The Retromolar Space and Wisdom Teeth in Humans: Reasons for Surgical Tooth Extraction

Kaseh, Abed el; Shayeb, Maher Al; Kuduruthullah, Syed; Nadeem, Gulrez

doi:10.1055/s-0040-1716312

Cited by 3 publications

(2 citation statements)

References 20 publications

(24 reference statements)

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“…24 25 CBCT has been extensively used to study the axial inclination, spatial orientation, and relation of the mandibular third molar to the inferior alveolar nerve canal. 26 27 28 29 Similarly, CBCT can also be used to evaluate maxillary sinus and help detect any septae or other pathology that can alter the dentoalveolar treatment planning. 30…”

Section: Discussionmentioning

confidence: 99%

“…24,25 CBCT has been extensively used to study the axial inclination, spatial orientation, and relation of the mandibular third molar to the inferior alveolar nerve canal. [26][27][28][29] Similarly, CBCT can also be used to evaluate maxillary sinus and help detect any septae or other pathology that can alter the dentoalveolar treatment planning. 30 Jung and Cho suggested that a maxillary sinus floor superimposition on the teeth root on a panoramic radiograph should be further probed to predict the chances of sinus floor perforation.…”

Section: Discussionmentioning

confidence: 99%

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Role of CBCT in Prediction of Oro-antral Communication Post Third Molar Extraction: A Retrospective Study

et al. 2023

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Objective Oro-antral communication (OAC) is one of the most frequently encountered complications during third molar extraction. Various radiographic factors, like excessive maxillary sinus pneumatization, long periods of edentulism, periapical lesions, etc., have been considered high-risk factors for OAC. However, a panoramic radiograph has not proven to be accurate in predicting the chances of OAC. Through this retrospective study, we evaluated the efficacy of a CBCT in predicting the incidence of OAC after maxillary third molar extraction. Materials and Methods We conducted a retrospective study in our department, which included the patients who had undergone extraction of a maxillary third molar over five years with the presence of panoramic X-rays and/or CBCT scans prior to extraction. Primary outcomes assessed from the case files were intra-operative complications like OAC, root fracture, tuberosity fracture, pterygoid plate fracture, etc. The incidence of these complications was correlated with the presence or absence of CBCT before extraction. Results Out of 920 extracted maxillary third molar, only 148 teeth (16.1%) had a CBCT record before extraction. The most commonly encountered complication was broken inaccessible root piece/s (4.9%), followed by OAC (3.5%). An inter-group comparison showed that a significantly higher percentage of patients (p < 0.001) with CBCT records had an incidence of OAC (11.5%) as against the group of patients with no CBCT record (1.9%). Conclusion A CBCT scan prior to cases with high-risk factors for OAC can be a valuable tool in accurately predicting the chances of OAC after maxillary third molar extraction.

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