Abstract
Objectives
To assess the impact of orthodontic treatment combined with piezocision (OT-PC) on root structure and alveolar bone.
Materials and methods
Twelve adults were treated with OT-PC. Pre- and post-treatment CBCT examinations evaluated apical root resorption (ARR) and alveolar bone height and thickness changes. Pre- and post-treatment differences were compared using one-sample t test and Wilcoxon signed-rank test.
Results
ARRs were generalized and significantly more severe in both anterior sextants compared with posterior sextants. Bone thickness decreased significantly in the maxilla at mid-root and apex areas. The majority of mandibular alveolar bone dehiscences occurred on the buccal aspect at the mid-root level, especially where thickness was less than 0.3 mm. Overall bone height decreased twice as much on the buccal aspect (1.43 mm, P < 0.001) compared with the lingual aspect (0.67 mm, P = 0.001), most significantly in the lower incisors, where the average median loss was 2.10 mm (P = 0.003).
Conclusion
OT-PC causes minor negative effects on both alveolar bone and root resorption.
Clinical relevance
Orthodontic treatment combined with piezocision causes minor negative effects on periodontal support. Nevertheless, mild bone height loss on the buccal aspect of the mandibular teeth and root resorption in both anterior sextants have been detected with this new treatment.
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Acknowledgments
This study would not have been possible without financial support from the Associate Dean of Research funds at the Université de Montréal.
Funding statement
This study was financial supported by the Associate Dean of Research Funds, Faculty of Dentistry, Université de Montréal.
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All procedures performed in studies involving human participants were in accordance with the ethics committee of the Université de Montréal (15–002-CERES-P, clinical trial number NCT02359760, Assessment of Piezoelectric Periodontal Surgery Effects on Orthodontic Treatment: a Prospective Pilot Study) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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Strippoli, J., Schmittbuhl, M., Durand, R. et al. Impact of piezocision-assisted orthodontics on root resorption and alveolar bone: a prospective observational study. Clin Oral Invest 25, 4341–4348 (2021). https://doi.org/10.1007/s00784-020-03282-9
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DOI: https://doi.org/10.1007/s00784-020-03282-9