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The Efficacy of Gabapentin versus Stabilization Splint in Management of Sleep Bruxism

Authors

  • Azam Sadat Madani DDS, MS,

    1. Associate Professor of Prosthodontics, Dental Research Center, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
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  • Ebrahim Abdollahian MD,

    1. Associate Professor of Child and Adolescent Psychiatry, Psychiatry and Behavioral Sciences Research Center, Ibn-e-Sina Hospital, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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  • Hasan Azangoo Khiavi DDS, MS,

    1. Assistant Professor, Department of Prosthodontics, School of Dentistry, International Campus of Tehran University of Medical Sciences, Tehran, Iran
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  • Mehrdad Radvar DDS, MS,

    1. Professor of Periodontics, Dental Research Center, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
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  • Mohsen Foroughipour MD,

    1. Associate Professor, Department of Neurology, Ghaem Hospital, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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  • Hadi Asadpour MD,

    1. Neurologist, Private clinic, Mashhad, Iran
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  • Nadia Hasanzadeh DDS, MS

    1. Assistant Professor of Orthodontics, Dental Material Research Center, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
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  • The authors have no conflicts of interest. The medicines used for this trial were purchased from the local pharmacy, and the drug company has no conflict of interest.

  • This study was supported by a grant from the Vice Chancellor of Research of Mashhad University of Medical Sciences; grant number 87284.

  • The results presented in this work have been taken from a postgraduate student's thesis.

  • Trial registration name: ClinicalTrials.gov; Registration number: NCT01255878

Dr. Nadia Hasanzadeh, Dental Material Research Center, School of Dentistry, Mashhad University of Medical Sciences, Vakilabad Blvd, Mashhad, Iran. E-mail: hassanzadehn@mums.ac.irhasanzadeh.nadia@gmail.com

Abstract

Purpose: This study aimed to determine if the use of gabapentin is more efficacious than a stabilization splint with regard to the intensity of masseter muscle contractions and/or sleep quality for patients experiencing sleep bruxism (SB).

Materials and Methods: Twenty patients with SB participated in this clinical study. They were randomly divided into two treatment groups: stabilization splint group (n = 10) and gabapentin group (n = 10). The first polysomnographic examination was performed before the beginning of the experiment for all the participants. At the end of a 2-month period of stabilization splint therapy or gabapentin usage, a second polysomnographic recording was made.

Results: Statistically significant reductions in the number of SB episodes per hour and per night, bruxism time index, total duration of SB episodes per night and number of SB episodes in stages NR I and NR II (p < 0.05) were observed in both groups after treatment. Both treatments significantly reduced the mean intensity of masseter muscle contractions during SB episodes. Moreover, the participants treated with gabapentin showed a significant improvement in total sleep time, slow wave sleep (stage III), and sleep efficiency (p < 0.05).

Conclusions: Gabapentin could be an effective treatment modality in SBs, especially in those with poor sleep quality.

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