Inferior alveolar and mental nerve injuries associated with open reduction and internal fixation of mandibular fractures: A Seven Year retrospective study

Song, Qinyong; Li, Shan-Hui; Patil, Pavan Manohar

doi:10.1016/j.jcms.2014.03.029

Cited by 25 publications

(15 citation statements)

References 14 publications

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“…To avoid these structures, miniplates and monocortical screws-which traverse only the buccal cortex-typically are used in this area and positioned a minimum of 5 mm below the root apices (28,36). The inferior alveolar canal extends from the mandibular foramen on the internal surface of the ramus and travels obliquely and then horizontally to the mental foramen, which is usually found below the premolar apices (37). The inferior alveolar nerve provides sensory innervation to the lips, gums, and chin.…”

Section: Danger Spacesmentioning

confidence: 99%

“…In the region of the mental foramen, isolation and protection of the mental nerve are necessary before placing the plates (40). A fracture line crossing the inferior alveolar canal can result in neurosensory disturbance, and the risk is much greater when the displacement exceeds 5 mm (5,37). Documenting the imaging features that suggest possible nerve involvement can help draw attention to disease that developed after the trauma but before the surgery and thus may prevent future litigation.…”

Section: Danger Spacesmentioning

confidence: 99%

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Multidetector CT of Mandibular Fractures, Reductions, and Complications: A Clinically Relevant Primer for the Radiologist

Dreizin¹,

Nam²,

Tirada³

et al. 2016

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After the nasal bones, the mandible is the second most common site of facial fractures, and mandibular fractures frequently require open reduction. In the trauma injury setting, multidetector computed tomography (CT) has become the cornerstone imaging modality for determining the most appropriate treatment management, fixation method, and surgical approach. Multidetector CT is also used to assess the adequacy of the reduction and evaluate potential complications in the postoperative period. For successful restoration of the mandible's form and function, as well as management of posttraumatic and postoperative complications, reconstructive surgeons are required to have a detailed understanding of mandibular biomechanics, occlusion, and anatomy. To provide added value in the diagnosis, treatment planning, and follow-up of mandibular fractures, radiologists should be aware of these concepts. Knowledge of the techniques commonly used to achieve occlusal and anatomic reduction and of the rationale behind the range of available treatment options for different injury patterns-from isolated and nondisplaced fractures to multisite and comminuted fractures-also is essential. This article focuses on the use of multidetector CT for pre- and postoperative evaluation of mandibular fractures and outlines fundamental concepts of diagnosis and management-beginning with an explanation of common fracture patterns and their biomechanical underpinnings, and followed by a review of the common postoperative appearances of these fractures after semirigid and rigid fixation procedures. Specific considerations regarding fractures in different regions of the tooth-bearing and non-tooth-bearing mandible and the unique issues pertaining to the edentulous atrophic mandible are reviewed, and key features that distinguish major from minor complications are described. (©)RSNA, 2016.

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Section: Danger Spacesmentioning

confidence: 99%

Section: Danger Spacesmentioning

confidence: 99%

Multidetector CT of Mandibular Fractures, Reductions, and Complications: A Clinically Relevant Primer for the Radiologist

Dreizin¹,

Nam²,

Tirada³

et al. 2016

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“… 9 , 10 , 11 Song et al. 12 established that there was a 7 fold increase in risk of postoperative mental nerve paresthesia with surgeons who had less than 3 years of surgical experience. The major factors which precipitate the aforementioned postoperative complications are excessive manipulation of the tissues during ORIF and poor surgical approach.…”

Section: Introductionmentioning

confidence: 99%

“…When the nerve is exposed to direct or indirect surgical trauma, it presents as bothersome paresthesia which extends over a variable period of time based on the severity of nerve injury 9, 10, 11. Song et al 12 . established that there was a 7 fold increase in risk of postoperative mental nerve paresthesia with surgeons who had less than 3 years of surgical experience.…”

Section: Introductionmentioning

confidence: 99%

Comparison of two incisions for open reduction and internal fixation of mandibular body fractures: A randomised controlled clinical trial evaluating the surgical outcome

Balasubramanian

Panneerselvam

Gopi

et al. 2019

Chinese Journal of Traumatology

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Purpose The purpose of the study is to compare the surgical access and post-operative outcome of two intra-oral incisions used for approaching a mandibular body fracture. Methods This clinical trial involved 60 patients with mandibular body fractures who were randomly allocated to control and study groups. The fractures were approached using the routine vestibular incision in the control group and crevicular incision with vertical release in the study group. The effects of incision design on the post-surgical outcome variables like swelling, trismus, paresthesia, wound healing and gingival recession were statistically analysed with non-parametric tests by using SPSS 22.0 software. Comparison of continuous variables between the groups and time points was done using Mann Whitney test and Friedman test respectively. Chi-square test was used to compare proportions between groups. Dunn's test with Bonferroni correction was used for pair wise comparisons. Results The study group demonstrated favourable surgical outcome in the immediate postoperative phase as compared to the control group. The difference in mouth opening, swelling and neurosensory impairment between the two groups was found to be statistically significant ( p < 0.05). Conclusion Crevicular incision was found to be an ideal alternative to vestibular incision in achieving surgical access and fixation of mandibular body fractures with reduction in postoperative patient discomfort and better surgical outcome.

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“…Dentists, oral maxillofacial surgeons, emergency physicians, and plastic and reconstructive surgeons are required to be knowledgeable regarding the anatomy of the mental foramen and variations in its position, for the purpose of achieving local anaesthesia as well as planning various surgical procedures (3,4). Procedures important to the anatomy of the mental foramen include: tooth extractions, root canal treatment, scaling, polishing, treatment of gingival disease, removal of cysts and tumors, repair of lower lip and chin lacerations, reconstructive soft tissue procedures, endodontic/orthogenetic surgery, fixation of bone fractures and implant placement (5)(6)(7). Variation in the anatomy and position of the mental foramen, with regard to race, age and gender, play an important role (8)(9)(10)(11)(12).…”

Section: Introductionmentioning

confidence: 99%

The ultrasonographic determination of the position of the mental foramen and its relation to hard tissue landmarks

Laher

Mahomed

2016

AMA

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Inferior alveolar and mental nerve injuries associated with open reduction and internal fixation of mandibular fractures: A Seven Year retrospective study

Cited by 25 publications

References 14 publications

Multidetector CT of Mandibular Fractures, Reductions, and Complications: A Clinically Relevant Primer for the Radiologist

Multidetector CT of Mandibular Fractures, Reductions, and Complications: A Clinically Relevant Primer for the Radiologist

Comparison of two incisions for open reduction and internal fixation of mandibular body fractures: A randomised controlled clinical trial evaluating the surgical outcome

The ultrasonographic determination of the position of the mental foramen and its relation to hard tissue landmarks

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