Comparative evaluation of bite forces in patients after treatment of mandibular fractures with miniplate osteosynthesis and internal locking miniplate osteosynthesis

Abstract

Aims and Objectives:The aim of present study was to compare the stability of fractured mandibular fragments under functional load, when fixed with conventional miniplate and internal locking miniplate.Materials and Methods:Bite force (in kg) recorded in twenty mandible fractured patients and fifty normal healthy individuals. Bite force was measured at incisor and molar regions. Comparative evaluation of bite force generated was performed between 10 cases treated with conventional miniplates and 10 cases treated with internal locking miniplates. Bite force generated by patients in mandibular fracture between symphysis and the angle of mandible was recorded in incisor and molar regions preoperatively. The fracture fragments were fixed using the above fixation techniques. Then same recording was undertaken on the 7th, 14th, 21st, 28th, and 90th days postoperatively.Results:Bite force generated by patients treated with locking plates at the 7th, 14th, 21st, 28th, and 90th postoperative days was significantly higher as compared to those in patients treated with miniplates.Conclusion:It was observed in our study that the locking plate/screw system offers significant advantages over the conventional plating system. There are no intraoperative difficulties associated with placement of the plate.

A comparative study on evaluation of role of 1.5 mm microplates and 2.0 mm standard miniplates in management of mandibular fractures using bite force as indicator of recommendation

“…[16] observed that patients treated with locking plate/screw system postoperatively generated more bite force compared to those treated with conventional miniplate screw system. However, they have not highlighted the significance of their findings in statistical terms.…”

Comparison of Bite Force with Locking Plates versus Non-Locking Plates in the Treatment of Mandibular Fractures: A Meta-Analysis

“…The reference lists of the selected papers and a hand search revealed one additional relevant paper. A total of 4 studies involving 130 patients 4 14 15 16 evaluated bite force and were included in the qualitative synthesis ( Fig. 1 ).…”

“…One study presented the results through graphs, and it was not possible to extract the adequate statistical data for it. 15 The author was contacted by e-mail, but we could not obtain an answer. Therefore, only two studies 4 14 were included in the meta-analyses.…”

“…The results were analyzed in the follow-ups at 1, 3, 6, and 12 weeks, observing the mean of the bite force measurements in the incisor, left molar, and right molar regions ( Table 2 ). 4 14 15 16 …”

Preclinical testing of the mandibular exoskeleton

“…ОРИГИНАЛЬНЫЕ СТАТЬИ теза предложены различные способы стимуляции процесса регенерации костной ткани [3]. Одним из таких способов является функциональная нагрузка, которая возможна при сохранении подвижности нижней челюсти и восстановлении сократительной активности поврежденных в результате травмы жевательных мышц [4] (жевательное давление в норме у мужчин на резцах 25-40 кг, на молярах 50-80 кг [5], при переломах нижней челюсти снижено до 2,23-3,2 кг на резцах и 7-12 кг на молярах [6,7]). Современные аппараты для компрессионно-дистракционного остеосинтеза не позволяют восстановить функциональную активность жевательных мышц, в связи с чем функциональную нагрузку при этом нельзя считать полноценной.…”