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Ann Maxillofac Surg. 2016 Jan-Jun;6(1):25-30. doi: 10.4103/2231-0746.186129.

Intermaxillary fixation screws versus Erich arch bars in mandibular fractures: A comparative study and review of literature.

Author information

1
Department of Oral and Maxillofacial Surgery, MIDSR Dental College, Latur, Maharashtra, India.
2
Department of Oral and Maxillofacial Surgery, Oxford Dental College, Bengaluru, Karnataka, India.
3
Department of Oral and Maxillofacial Surgery, Al-Ameen Dental College, Bijapur, Karnataka, India.
4
Department of Orthopedics, MIMSR Medical College, Latur, Maharashtra, India.

Abstract

OBJECTIVE:

Various techniques have been employed from time to time to achieve maxillomamdibular fixation. Although arch bars provide an effective and versatile means of maxillomandibular fixation, their use is not without shortcomings. However the introduction of intermaxillary fixation screws (IMF) has eliminated many of these issues of arch bars. The aim of the present study was to compare the advantages and disadvantages of intermaxillary fixation screws over the Erich arch bars in mandibular fractures.

MATERIALS AND METHODS:

Sixty dentulous patients who reported to Department of Oral and Maxillofacial Surgery, Al-Ameen Dental College and Hospital, Bijapur with mandibular fractures and required intermaxillary fixation as a part of treatment plan followd by open reduction and internal fixation under GA were selected and randomly divided into 2 groups of 30 patients each that is Group A and Group B. Group A included patients who received intermaxillary fixation with Erich arch bars. Group B includes patients who received intermaxillary fixation with IMF Screws. The parameters compared in both the groups included, surgical time taken, gloves perforation, post-operative occlusion, IMF stability, oral hygiene, patient acceptance and comfort and non-vitality characteristics.

RESULTS:

The average surgical time taken and gloves perforations were more in Group A,the patient acceptance and oral hygiene was better in Group B, there was not much statistically significant difference in postoperative occlusion and IMF stability in both groups. Accidental root perforation was the only limitation of IMF screws.

CONCLUSION:

Intermaxillary fixation with IMF screws is more efficacious compared to Erich arch bars in the treatment of mandibular fractures.

KEYWORDS:

Erich arch bars; intermaxillary fixation screws; mandibular fractures

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