Comparison of laser and piezo incisions to accelerateorthodontic tooth movement - A pilot rat model study

Comparison of laser and piezo incisions to accelerateorthodontic tooth movement - A pilot rat model study

Aim: The aim of this study was to determine changes in bone structure after laser and piezo incisions evaluated with micro-computedtomography (micro-CT). Materials and Methods: Forty-eight adult male Sprague Dawley rats were randomly divided into 4 groups: no additional interventionto accelerate tooth movement (n=15), laser incision (n=15), piezocision (n=15), and control (n=3). These groups were divided intosubgroups based on duration of applied force: 0, 3, 7, 14, 21, and 28 days. Piezo and laser incisions were made vertically on themesial palatal side of the left maxillary molar without flap elevation. Tooth movement, bone volume, and bone mineral density wereevaluated with micro-CT. P values less than 0.05 were considered statistically significant. Results: There were no significant differences in bone mineral density, bone volume, or amount of tooth movement between timepoints in any of the groups. The amount of tooth movement was significantly different between the groups at day 21. Conclusion: These findings provide some initial basic understanding of changes in the bone following tooth movement alone andwith piezocision and laser incisions. Larger sample sizes are needed to better elucidate their effects.

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Annals of Medical Research-Cover
  • Yayın Aralığı: Aylık
  • Yayıncı: İnönü Üniversitesi Tıp Fakültesi
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