Journal article
Authors list: von Bremen, Julia; Ludwig, Bjoern; Ruf, Sabine
Publication year: 2015
Pages: 462-466
Journal: European Journal of Orthodontics
Volume number: 37
Issue number: 5
ISSN: 0141-5387
eISSN: 1460-2210
Open access status: Bronze
DOI Link: https://doi.org/10.1093/ejo/cju058
Publisher: Oxford University Press
Aim: To assess if mandibular incisor proclination and protrusion during treatment with the Herbst/multibracket appliance can be prevented through simple screws (MIs) anchorage. Material and methods: After a statistical power analysis, 12 Herbst patients with MIs (100% MIs survival) ligated to the Herbst/multibracket appliance to reinforce anchorage were investigated. A control group matched for gender and skeletal maturity treated without MIs anchorage was selected. Pre- and posttreatment cephalograms were analysed for overjet reduction, mandibular incisor proclination (IL/ML), protrusion (Ii-MLp) and intrusion (Ii-ML), as well as occlusal plane inclination (OP/ML) by a single-blinded examiner. Results: No statistically significant differences between the two groups were found concerning overjet reduction, incisor protrusion-and intrusion or occlusal plane tilt. Although the MIs group generally showed less lower incisor proclination (4.8 degrees) than the group without skeletal anchorage (6.5 degrees), a large interindividual variation was observed. Conclusion: Interradicular MIs anchorage cannot prevent anchorage loss during Herbst treatment. For the individual patient, the amount of incisor proclination and protrusion remains unpredictable.
Abstract:
Citation Styles
Harvard Citation style: von Bremen, J., Ludwig, B. and Ruf, S. (2015) Anchorage loss due to Herbst mechanicspreventable through miniscrews?, European Journal of Orthodontics, 37(5), pp. 462-466. https://doi.org/10.1093/ejo/cju058
APA Citation style: von Bremen, J., Ludwig, B., & Ruf, S. (2015). Anchorage loss due to Herbst mechanicspreventable through miniscrews?. European Journal of Orthodontics. 37(5), 462-466. https://doi.org/10.1093/ejo/cju058
Keywords
APPLIANCE TREATMENT; BITE; IMPLANTS; incisors; MANDIBULAR CAST SPLINTS; ORTHODONTIC ANCHORAGE; SUCCESS RATE