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ORIGINAL ARTICLE - COMPARATIVE STUDY
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A comparative randomized prospective clinical study on modified erich arch bar with conventional erich arch bar for maxillomandibular fixation


 Department of Oral and Maxillofacial Surgery, Indira Gandhi Institute of Dental Sciences, Puducherry, India

Correspondence Address:
V Venugopalan,
Department of Oral and Maxillofacial Surgery, Indira Gandhi Institute of Dental Sciences, Puducherry - 607 402
India
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ams.ams_20_20

Introduction: Erich arch bar used for maxillomandibular fixation (MMF) since decades has several disadvantages such as risks of injury, additional operating room time, and gingival trauma. To overcome these downsides, modified Erich arch bar was introduced; however, there is not much available literature, indicating the efficacy of modified Erich arch bar over that of conventional arch bar wire. Therefore, the present study focuses on comparing efficiency of modified arch bar with conventional arch bar. Materials and Methods: This comparative randomized study was conducted on 32 patients that required MMF and were divided into Group A patients who received intermaxillary fixation (IMF) with modified Erich arch bars and Group B patients with conventional Erich arch bars. The parameters recorded were average surgical time required, wire prick injuries, IMF stability, occlusal stability, screw loosening, oral hygiene status, and vitality response of the teeth. The variables were statistically analyzed using Student's t-test and Wilcoxon signed-rank test. Results: The wire prick injury, intraoperative time noted in Group A was significantly reduced in comparison to Group B (P < 0.0001). Debris indices were significantly good in Group A in comparison to Group B (P < 0.0001). Nonvitality response of tooth was significantly more in Group B than in Group A patients (P < 0.05). Discussion: The efficiency of modified Erich arch bar group was superior to the conventional arch bar with very limited restrictions.


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    -  Venugopalan V
    -  Satheesh G
    -  Balatandayoudham A
    -  Duraimurugan S
    -  Balaji T S
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