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Evaluation of Efficacy of Herbert Bone Screw and Lag Screw in Management of Oblique Mandibular Fractures: A Prospective Randomized Comparative Study

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Abstract

Purpose

To assess the efficacy of Herbert cannulated bone screw versus Lag screw in fixation of oblique mandibular fractures.

Materials and Method

Study composed of two groups of 20 patients each and descriptive statistics were performed with p value set at 0.05 with confidence interval of 95%. Group A was treated by Titanium Lag screws; while, Group B was treated by Titanium Herbert Cannulated Bone Screws for the management of oblique mandibular fractures. Postoperatively, all the patients were evaluated clinically and radiographically by recording the incidence of complications (if any) which included trismus, neurosensory deficit, swelling, infection. Parameters such as occlusal discrepancy, rigid fixation (interfragmentary gap) and duration of surgery were also recorded for all the patients.

Results

All the patients were followed for a period of three months. Difference in mouth opening was found to be statistically significant during 1st month follow-up (p-Value-0.002). Postoperatively, the mean interfragmentary gap in Group A was significantly more than Group B (p-Value-0.000). Other parameters like neurosensory deficits, occlusal discrepancies, chewing efficiency, stability of fractured fragments and post-operative complications in terms of swelling, hardware exposure, radiolucency surrounding screw and wound dehiscence did not show any statistically significant difference.

Conclusion

The obtained results showed that both lag screws and Herbert cannulated bone screws fulfill the treatment goals of adequate reduction, fixation and stabilization of oblique mandibular fractures. Herbert screws have shown to have better results in terms of interfragmentary gap reduction as compared to lag screws.

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Funding

This study has received no financial support.

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Authors and Affiliations

  1. Department of Oral and Maxillofacial Surgery, Uttaranchal Dental and Medical Research Institute, Dehradun, Uttarakhand, India

    Samarth Johari

  2. Johari’s Dental Care and Maxillofacial Centre, Dehradun, Uttarakhand, India

    Samarth Johari

  3. Teerthanker Mahaveer Dental College and Research Centre, Department of Oral and Maxillofacial Surgery, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh, India

    D. S. Gupta

  4. Department of Oral and Maxillofacial Surgery, Shree Bankey Bihari Dental College and Research Centre, Ghaziabad, Uttar Pradesh, India

    Gagan Khare

  5. Sarji Superspeciality Hospital and Aradhana Orthopaedic and Spine Center, Shivamogga, Karnataka, India

    K. V. ArunKumar

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  1. Samarth Johari
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  2. D. S. Gupta
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  4. K. V. ArunKumar
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Corresponding author

Correspondence to Samarth Johari.

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Ethical Approval

The study involves human participants and is approved by the institutional ethical committee, Teerthanker Mahaveer Dental College & Research Institute, Teerthanker Mahaveer University, Moradabad, U.P, India.

Informed Consent

A duly signed informed consent in a language understood to the patient was taken by all the patients before including them in the study.

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Johari, S., Gupta, D.S., Khare, G. et al. Evaluation of Efficacy of Herbert Bone Screw and Lag Screw in Management of Oblique Mandibular Fractures: A Prospective Randomized Comparative Study. J. Maxillofac. Oral Surg. 23, 488–496 (2024). https://doi.org/10.1007/s12663-023-02095-z

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  • DOI: https://doi.org/10.1007/s12663-023-02095-z

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