Prevalence of intraoperative and postoperative iatrogenic mandibular fractures after lower third molar extraction: A systematic review

Abstract

Background The surgical extraction of the lower third molars is one of the most common procedures in oral surgery, and this surgical operation can cause intra- and postoperative complications such as pain, trismus, bleeding, infection, oedema, inferior alveolar nerve injuries, displacement of teeth to neighbouring spaces and mandibular fractures. The aim of this systematic review is to report the prevalence of mandibular fractures that occur intra- and postoperatively in patients who have undergone surgical removal of the lower third molar. Material and Methods An electronic database search for articles published in Cochrane, PubMed (MEDLINE) and Scopus was conducted using the key words “Molar, Third”; “Mandibular Fractures”; “Molar Third, Removal”; “Molar Third, Complications”; “Dental Extractions, Complications”; “Mandibular Fractures, Third molar removal”. The inclusion criteria were articles including at least 10 patients and were published in English in the last 10 years. The exclusion criteria were nonhuman studies and case reports. Results Postoperative mandibular fractures after 3MI occur more frequently in male patients between the ages of 40 and 60 and are caused by premature chewing force. The parameters that most frequently characterise mandibular fractures at the mandibular angle are deeply impacted lower third molars, Class II and III, B and C, according to the Pell & Gregory classification system, mesioangular according to the Winter’s classification, and are located on the left mandibular side.. Conclusions Mandibular fractures can be predicted with adequate preoperative planning for each case and identify the related risk factors for this complication. Key words: Molar, Third; Mandibular Fractures; Molar Third, Removal; Molar Third, Complications; Dental Extractions, Complications; Mandibular Fractures, Third molar removal.

Can jaw bone healed from chronic sclerosing osteomyelitis be considered healthy when planning dental implants? Case report with 20-year follow-up

“…Surgical extraction of the mandibular third molars is one of the most commonly performed procedures in oral and maxillofacial surgery 1 , 2 . Surgery can result in complications such as trigeminal nerve injuries and alveolar osteomyelitis 3 . Osteomyelitis is a progressive bone marrow inflammation that involves the cortical plates and periosteal tissues 4 and occurs more often in the mandible than the maxilla in alveolar osteomyelitis 5 .…”

Outcomes of Coronectomy and Total Odontectomy of Impacted Mandibular Third Molars

“…The most frequent side effects are oedema, trismus, haemorrhage, infection, injury to the alveolar nerve, displacement of the extracted tooth into adjacent spaces, and mandibular angle fracture. 1 , 2 …”

Isolated fracture of the coronoid process following a molar extraction: A rare case report

“…These may include: nerve impairment; bacteraemia; bleeding from ruptured blood vessels; trismus; fractures of the mandibular bony structures. [2][3][4][5] Of all the facial bones, the mandible is the only robust bone capable of repositioning. 6,7 The mandibular ramus subsumes an anteriorly continuous bony eminence on its superior aspect, termed the coronoid process.…”