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National Journal of Maxillofacial Surgery
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Year : 2020  |  Volume : 11  |  Issue : 1  |  Page : 98-105

Efficacy of bioresorbable plates in the osteosynthesis of linear mandibular fractures

1 Department of Dental Surgery, Medanta Medicity, Gurugram, Haryana, India
2 Department of Dental Surgery, AIIMS, Gorakhpur, Uttar Pradesh, India
3 Department of Oral and Maxillofacial Surgery, CDER, AIIMS, New Delhi, India

Correspondence Address:
Dr. Satyavrat Arya
1053/19, Faridabad - 121 002, Haryana
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/njms.NJMS_54_19

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Background and Objectives: There are limited evidences available about the performance of biodegradable system in the treatment of linear mandibular fractures without the aid of postoperative maxillomandibular fixation (MMF). Hence, the present study was planned to evaluate the treatment outcomes in mandibular fractures, using 2.5 mm bioresorbable plates and screws without postoperative MMF. Methodology: This cohort study compares both prospective and retrospective data. The prospective study treated 20 adult patients with linear mandibular fracture using bioresorbable plates and screws, without using postoperative MMF (Group 1). Retrospective data were collected from a previous published study in which patients were treated with bioresorbable plates and screws with 2 weeks postoperative MMF (Group 2) and those treated with metal plates and screws without postoperative MMF (Group 3). Group 1 patients were followed up at 2 and 4 months to evaluate the functional outcomes in terms of fracture mobility, malocclusion, pain, and soft-tissue deformity and compared with its preoperative findings. Further, the treatment outcomes of Group 1, Group 2, and Group 3 were compared among themselves at 2-month follow-up. Results: Group 1 patients showed a significant improvement in the treatment outcomes at 2 and 4-month follow-up. In addition, when 2 months postoperative outcomes were compared among the three groups, no statistically significant difference was observed in the treatment outcomes. Conclusion: Endpoint osteosynthesis can be achieved with the bioresorbable fixation system when used in the treatment of un-displaced linear mandibular fractures, without postoperative MMF. A minor modification of using a lower size osteotomy drill can prevent screw loosening.

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