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Unilateral maxillary molar distalization with zygoma-gear appliance.
Am J Orthod Dentofacial Orthop. 2012 Aug; 142(2):e1-7.AJ

Abstract

The aim of this study was to present the orthodontic treatment of a 15-year-old boy with a unilateral maxillary molar distalization system, called the zygoma-gear appliance. It consisted of a zygomatic anchorage miniplate, an inner bow, and a Sentalloy closed coil spring (GAC International, Bohemia, NY). A distalizing force of 350 g was used during the distalization period. The unilateral Class II malocclusion was corrected in 5 months with the zygoma-gear appliance. The maxillary left first molar showed distalization of 4 mm with an inclination of 3°. The maxillary premolars moved distally with the help of the transseptal fibers. In addition, there were slight decreases in overjet (-0.5 mm) and maxillary incisor inclination (-1°), indicating no anchorage loss from the zygoma-gear appliance. Preadjusted fixed appliances (0.022 × 0.028-in, MBT system; 3M Unitek, Monrovia, Calif) were placed in both arches to achieve leveling and alignment. After 14 months of unilateral distalization with the zygoma-gear appliance and fixed appliances, Class I molar and canine relationships were established with satisfactory interdigitation of the posterior teeth. Acceptable overjet and overbite were also achieved. This article shows that this new system, the zygoma-gear appliance, can be used for unilateral maxillary molar distalization without anchorage loss.

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Authors+Show Affiliations

Kilkis D
Research assistant, Department of Orthodontics, Faculty of Dentistry, Karadeniz Technical University, Trabzon, Turkey.
Bayram M
No affiliation info available
Celikoglu M
No affiliation info available
Nur M
No affiliation info available

MeSH

AdolescentBone PlatesCephalometryHumansMaleMalocclusion, Angle Class IIMaxillaMolarOrthodontic Anchorage ProceduresOrthodontic Appliance DesignOrthodontic BracketsOrthodontic WiresPatient Care PlanningStress, MechanicalTooth Movement TechniquesTreatment OutcomeZygoma

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

22858341

Citation

Kilkis, Dogan, et al. "Unilateral Maxillary Molar Distalization With Zygoma-gear Appliance." 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. 142, no. 2, 2012, pp. e1-7.
Kilkis D, Bayram M, Celikoglu M, et al. Unilateral maxillary molar distalization with zygoma-gear appliance. Am J Orthod Dentofacial Orthop. 2012;142(2):e1-7.
Kilkis, D., Bayram, M., Celikoglu, M., & Nur, M. (2012). Unilateral maxillary molar distalization with zygoma-gear appliance. American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics, 142(2), e1-7. https://doi.org/10.1016/j.ajodo.2012.02.026
Kilkis D, et al. Unilateral Maxillary Molar Distalization With Zygoma-gear Appliance. Am J Orthod Dentofacial Orthop. 2012;142(2):e1-7. PubMed PMID: 22858341.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Unilateral maxillary molar distalization with zygoma-gear appliance. AU - Kilkis,Dogan, AU - Bayram,Mehmet, AU - Celikoglu,Mevlut, AU - Nur,Metin, PY - 2011/10/01/received PY - 2012/02/01/revised PY - 2012/02/01/accepted PY - 2012/8/4/entrez PY - 2012/8/4/pubmed PY - 2012/10/25/medline SP - e1 EP - 7 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 - 142 IS - 2 N2 - The aim of this study was to present the orthodontic treatment of a 15-year-old boy with a unilateral maxillary molar distalization system, called the zygoma-gear appliance. It consisted of a zygomatic anchorage miniplate, an inner bow, and a Sentalloy closed coil spring (GAC International, Bohemia, NY). A distalizing force of 350 g was used during the distalization period. The unilateral Class II malocclusion was corrected in 5 months with the zygoma-gear appliance. The maxillary left first molar showed distalization of 4 mm with an inclination of 3°. The maxillary premolars moved distally with the help of the transseptal fibers. In addition, there were slight decreases in overjet (-0.5 mm) and maxillary incisor inclination (-1°), indicating no anchorage loss from the zygoma-gear appliance. Preadjusted fixed appliances (0.022 × 0.028-in, MBT system; 3M Unitek, Monrovia, Calif) were placed in both arches to achieve leveling and alignment. After 14 months of unilateral distalization with the zygoma-gear appliance and fixed appliances, Class I molar and canine relationships were established with satisfactory interdigitation of the posterior teeth. Acceptable overjet and overbite were also achieved. This article shows that this new system, the zygoma-gear appliance, can be used for unilateral maxillary molar distalization without anchorage loss. SN - 1097-6752 UR - https://www.unboundmedicine.com/medline/citation/22858341/Unilateral_maxillary_molar_distalization_with_zygoma_gear_appliance_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0889-5406(12)00442-8 DB - PRIME DP - Unbound Medicine ER -