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Year : 2018  |  Volume : 10  |  Issue : 3  |  Page : 133-138

A comparative evaluation of bite force as a parameter for the stability in conventional and three-dimensional mini plates

1 Department of Oral and Maxillofacial Surgery, Genesis Institute of Dental Sciences and Research, Ferozepur, Punjab, India
2 Department of Prosthodontics, Genesis Institute of Dental Sciences and Research, Ferozepur, Punjab, India
3 Department of Prosthodontics, Dental College Azamgarh, Uttar Pradesh, India

Correspondence Address:
Dr Hemlata Dwivedi
Joy Dental Care and Implant Centre, Near Sharda Chauraha, Rahul Nagar Madaya, Azamgarh - 276 001, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/IJDS.IJDS_106_17

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Introduction: Maxillofacial skeleton fractures can be treated by open (surgical) and closed (non-surgical) techniques. Fracture sites are immobilized either with intermaxillary fixation or external or internal devices (i.e. plates and screws) to allow bone healing. Aim: The study was primarily aimed at investigating the comparison between three-dimensional (3D) mini plates versus conventional mini plates in mandibular fractures under functional load. Methodology: This study was carried out in twenty patients for treatment of mandibular fractures. Bite force readings were made using indigenous bite force recorder in kilograms. Bite forces were recorded at the operated site and contralateral site of the same region. Bite force recordings were done preoperatively before fixing Erich arch bar and postoperatively at each follow-up (7th, 14th, 21st, 28th, and 90th day). Observations: Data show postoperatively in operated sites of the molar that patients in Group A generate more biting force on day 28 and day 90 when compared to Group B. The difference in mean bite force over control group on fractured sites of molars and incisors when comparison was done between postoperative days interval was significant. Conclusion: It was concluded that the 3D mini plates in mandibular fractures are efficacious enough to bear masticatory loads during the osteosynthesis of fracture. It gives the advantage of reduced implant material and 3D stability with almost similar results as seen in two conventional mini plates osteosynthesis.

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