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Self-tapping Intermaxillary Fixation Screw: An Alternative to Arch Bar.

Animesh Barodiya¹, Rishi Thukral², S M Agrawal³

¹Department of Trauma and Emergency Medicine, All India Institute of Medical Sciences, Bhopal, Madhya Pradesh, India.

The Journal of Contemporary Dental Practice

|February 9, 2017

Summary

This summary is machine-generated.

Intermaxillary fixation (IMF) screws offer a faster, safer alternative to arch bars for treating mandibular fractures. This method improves oral hygiene and reduces needle stick injuries, making it a valuable clinical option.

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Area of Science:

Oral and Maxillofacial Surgery
Trauma Surgery
Dental Implantology

Background:

Intermaxillary fixation (IMF) is crucial for managing faciomaxillary fractures, with traditional arch bar techniques having known limitations.
Recent advancements include self-tapping IMF screws, offering potential advantages in application and patient outcomes.

Purpose of the Study:

To evaluate the efficacy of self-tapping IMF screws compared to traditional arch bar IMF in patients with mandibular fractures.
To assess parameters including fixation time, stability, oral hygiene, pain, and incidence of needle stick injuries.

Main Methods:

A randomized clinical study involving 20 patients with mandibular fractures requiring IMF.
Patients were divided into two groups: one treated with Erich's arch bar and wires, the other with self-tapping IMF screws.
Outcomes were assessed based on time for IMF, fixation stability, occlusion, pain, oral hygiene, and needle stick injuries.

Main Results:

IMF screws significantly reduced fixation time (16.1 min vs. 74.9 min, p=0.001) and improved oral hygiene by day 14 (p=0.031).
No statistically significant difference was found in fixation stability or iatrogenic tooth injury between groups.
IMF screws demonstrated a significant reduction in needle stick injuries compared to arch bars (p=0.025).

Conclusions:

Self-tapping IMF screws represent a safe, effective, and less time-consuming method for intermaxillary fixation in managing mandibular fractures.
This technique offers improved patient outcomes regarding oral hygiene and reduced occupational hazards for healthcare professionals.
Surgeons should consider IMF screws as a valuable alternative, being aware of potential complications associated with any IMF method.