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Does molar distalization by the Beneslider have skeletal and dental impacts? A prospective 3D analysis.
- Source :
-
Oral surgery, oral medicine, oral pathology and oral radiology [Oral Surg Oral Med Oral Pathol Oral Radiol] 2022 Jul; Vol. 134 (1), pp. 36-48. Date of Electronic Publication: 2021 Dec 11. - Publication Year :
- 2022
-
Abstract
- Objective: The study aimed to clarify (1) the effect of the Beneslider distalization appliance on maxillary molars (M1+2), (2) the type of tooth movement, and (3) changes in skeletal parameters.<br />Study Design: Dental distalization paths and transversal changes were measured according to the distance of the pterygoid vertical as well as on the virtualized 3D plaster model.<br />Results: Distalization of the second premolar (P2; T1 - T2) was 2.51 mm (±1.81 mm; P < .001) combined with a distal tipping of 6.50° (±5.09°; P < .001), whereas for M1 a distalization of 3.49 mm (±1.10 mm) occurred with negligible tipping (0.73° ± 5.04°). No significant differences (T1 - T2) on sagittal and vertical skeletal variables were found within or between G1+2. In contrast, a significant increase in N-Sp' in G2 and in Sp'-Gn in G1+2 with consecutive Hasund index reduction was shown. Comparing T1 and T2, the device had an effect on the transversal development.<br />Conclusion: The Beneslider distalization appliance causes an effective distalization of M1+2, with slight second premolar tipping. No modification of skeletal parameters was recorded, but a relevant effect on Hasund index and the transverse was found.<br /> (Copyright © 2021 Elsevier Inc. All rights reserved.)
Details
- Language :
- English
- ISSN :
- 2212-4411
- Volume :
- 134
- Issue :
- 1
- Database :
- MEDLINE
- Journal :
- Oral surgery, oral medicine, oral pathology and oral radiology
- Publication Type :
- Academic Journal
- Accession number :
- 35165062
- Full Text :
- https://doi.org/10.1016/j.oooo.2021.12.002