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National Journal of Maxillofacial Surgery
 
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ORIGINAL ARTICLE
Year : 2017  |  Volume : 8  |  Issue : 1  |  Page : 34-40

Comparative evaluation of bite force analytical study following mandibular osteosysthesis using three-dimensional and conventional locking miniplates


1 Department of Oral and Maxillofacial Surgery, Government Dental College, Kozhikode, Kerala, India
2 Department of Oral and Maxillofacial Surgery, ESI Dental College and Hospital, New Delhi, India
3 Department of Oral and Maxillofacial Surgery, Uttaranchal Dental and Medical Research Institute, Dehradun, Uttarakhand, India

Correspondence Address:
Pallav Kumar Kinra
Department of Oral and Maxillofacial Surgery, Government Dental College, Kozhikode, Kerala
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/njms.NJMS_76_16

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Aims and Objectives: The aim is to study the effectiveness of 2 mm three-dimensional (3D) titanium miniplates and 2 mm conventional titanium miniplates in osteosynthesis of mandibular fractures by comparing the change in bite force. Methodology: The study comprised forty patients of age group 20–40 years, weighing 55–75 kg having mandibular fractures. Patients were randomly divided into two equal groups In Group A, twenty patients underwent osteosynthesis using 3D titanium miniplates (2.0 mm system), whereas in Group B, twenty patients underwent osteosynthesis using conventional titanium miniplates (2.0 mm system). After fixation of fracture segments with miniplates, the patients were assessed on the basis of evaluation of bite force at incisor, right molar and left molar region after 1, 3, 6 , and 8 weeks. Comparison of change in bite force was done between Group A and Group B at different follow-ups at incisor, right molar, and left molar. Results: Bite force recordings showed increasing values at subsequent follow-ups, corresponding to the healing of the fracture in both groups. At follow-up III (6 weeks) and IV (8 weeks), bite force values reached near to those in healthy individuals. A significant difference was observed in change in bite force of Group A and Group B at incisor left molar and right molar on subsequent followups. 3D titanium miniplate requires less surgical exposure of the underlying fracture site, with a minimal traction of the surrounding soft tissue. Interpretation and Conclusion: 3D miniplates in mandibular fractures are efficacious enough to bear masticatory loads during the osteosynthesis of fractures. It gives the advantage of greater stability, increased bite force, reduced implant material, and 3D stability.


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