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Maxillary molar distalization with the dual-force distalizer supported by mini-implants: a clinical study.
Am J Orthod Dentofacial Orthop. 2009 Mar; 135(3):282.e1-5; discussion 282-3.AJ

Abstract

INTRODUCTION

The objective of this prospective study was to describe the clinical effects of a bone-supported molar distalizing appliance, the dual-force distalizer.

METHODS

The study group included 16 patients (mean age, 14.3 years) with Class II molar relationships. Study models and lateral cephalograms were taken before and after the distalizing movement to record significant dental and skeletal changes (Wilcoxon test).

RESULTS

The average distalization time was 5 months, with a movement rate of 1.2 mm per month; the distalization amounts were 5.9 +/- 1.72 mm at the crown level and 4.4 +/- 1.41 mm at the furcation level. The average molar inclination was 5.6 degrees +/- 3.7 degrees ; this was less than the amount of inclination generated by bone-supported appliances that use single distalizing forces. The correlation between inclination and distalization was not significant, indicating predominantly bodily movement. The teeth anterior to the first molar moved distally also; the second premolars distalized an average of 4.26 mm, and the incisors retruded by 0.53 mm.

CONCLUSIONS

The dual-force distalizer is a valid alternative distalizing appliance that generates controlled molar distalization with a good rate of movement and no loss of anchorage.

Authors+Show Affiliations

Department of Orthodontics, CES University, Medellín, Colombia.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19268824

Citation

Oberti, Giovanni, et al. "Maxillary Molar Distalization With the Dual-force Distalizer Supported By Mini-implants: a Clinical Study." American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics, vol. 135, no. 3, 2009, pp. 282.e1-5; discussion 282-3.
Oberti G, Villegas C, Ealo M, et al. Maxillary molar distalization with the dual-force distalizer supported by mini-implants: a clinical study. Am J Orthod Dentofacial Orthop. 2009;135(3):282.e1-5; discussion 282-3.
Oberti, G., Villegas, C., Ealo, M., Palacio, J. C., & Baccetti, T. (2009). Maxillary molar distalization with the dual-force distalizer supported by mini-implants: a clinical study. American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics, 135(3), e1-5; discussion 282-3. https://doi.org/10.1016/j.ajodo.2008.11.018
Oberti G, et al. Maxillary Molar Distalization With the Dual-force Distalizer Supported By Mini-implants: a Clinical Study. Am J Orthod Dentofacial Orthop. 2009;135(3):282.e1-5; discussion 282-3. PubMed PMID: 19268824.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Maxillary molar distalization with the dual-force distalizer supported by mini-implants: a clinical study. AU - Oberti,Giovanni, AU - Villegas,Carlos, AU - Ealo,Martha, AU - Palacio,John Camilo, AU - Baccetti,Tiziano, PY - 2008/11/20/received PY - 2008/11/20/revised PY - 2008/11/25/accepted PY - 2009/3/10/entrez PY - 2009/3/10/pubmed PY - 2009/4/1/medline SP - 282.e1-5; discussion 282-3 JF - American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics JO - Am J Orthod Dentofacial Orthop VL - 135 IS - 3 N2 - INTRODUCTION: The objective of this prospective study was to describe the clinical effects of a bone-supported molar distalizing appliance, the dual-force distalizer. METHODS: The study group included 16 patients (mean age, 14.3 years) with Class II molar relationships. Study models and lateral cephalograms were taken before and after the distalizing movement to record significant dental and skeletal changes (Wilcoxon test). RESULTS: The average distalization time was 5 months, with a movement rate of 1.2 mm per month; the distalization amounts were 5.9 +/- 1.72 mm at the crown level and 4.4 +/- 1.41 mm at the furcation level. The average molar inclination was 5.6 degrees +/- 3.7 degrees ; this was less than the amount of inclination generated by bone-supported appliances that use single distalizing forces. The correlation between inclination and distalization was not significant, indicating predominantly bodily movement. The teeth anterior to the first molar moved distally also; the second premolars distalized an average of 4.26 mm, and the incisors retruded by 0.53 mm. CONCLUSIONS: The dual-force distalizer is a valid alternative distalizing appliance that generates controlled molar distalization with a good rate of movement and no loss of anchorage. SN - 1097-6752 UR - https://www.unboundmedicine.com/medline/citation/19268824/Maxillary_molar_distalization_with_the_dual_force_distalizer_supported_by_mini_implants:_a_clinical_study_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0889-5406(08)01187-6 DB - PRIME DP - Unbound Medicine ER -