Clinical and radiographic comparison of the pendulum effect with skeletal anchorage versus dentoalveolar anchorage

Authors

  • Sandra Liliana Gómez-Gómez Universidad de Antioquia
  • John Jairo Betancur-Pérez Universidad de Antioquia
  • Jorge Alberto Arismendi Universidad de Antioquia
  • Jorge Humberto Gil-Cardona Universidad de Antioquia

DOI:

https://doi.org/10.17533/udea.rfo.9441

Keywords:

Pendulum appliance, Orthodontic anchorage procedures, Dental implants

Abstract

 Introduction: this study seeks to clinically and radiographically compare the effects produced by the distalization pendulum in both skeletal and dentoalveolar anchorage, in patients with Class II malocclusions at the Universidad de Antioquia’s School of Dentistry. Methods: a pre-experimental comparative study was carried out on a sample of 19 patients aged 15-26 years, divided into two groups: 9 patients treated with bone anchorage pendulum and 10 with dentoalveolar anchorage pendulum. Lateral cephalic radiographs of each patient were taken and study models were done at the beginning and the end of evaluation period (6 months). Results: both clinical and radiographic results show significant differences in the effects produced at the incisors and molars. The pendulum with dentoalveolar anchorage presented an average incisor proclination of 4°, while the pendulum with skeletal anchorage showed no variation. Concerning the effect produced in molars, a greater amount of distalization as a result of i ination was observed in the pendulum with dentoalveolar anchorage (14.1°) in comparison to the one with skeletal anchorage (7.34°). Conclusions: with both modalities, the pendulum proved to be effective for molar distalization; nevertheless, it is important to bear in mind the desired effect on the incisors, as each technique produces different results.

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Author Biographies

Sandra Liliana Gómez-Gómez, Universidad de Antioquia

Dentist. Specialist in Teenager Comprehensive Dentistry and Orthodontics, Assistant Professor, School of Dentistry, Universidad de Antioquia, Medellín, Colombia.

John Jairo Betancur-Pérez, Universidad de Antioquia

Dentist. Specialist in Teenager Comprehensive Dentistry and Orthodontics; Specialist in Health Services Administration: Marketing; Specialist in Higher Education. Assistant Professor, School of Dentistry, Universidad de Antioquia, Medellín, Colombia.

Jorge Alberto Arismendi, Universidad de Antioquia

Dentist. Specialist in Adult Comprehensive Dentistry, School of Dentistry, Universidad de Antioquia. Associate Professor, Vice-Dean, School of Dentistry, Universidad de Antioquia. Medellín, Colombia.

Jorge Humberto Gil-Cardona, Universidad de Antioquia

Dentist. Specialist in Teenager Comprehensive Dentistry and Orthodontics, School of Dentistry, Universidad de Antioquia. Medellín, Colombia

Published

2012-06-20

How to Cite

Gómez-Gómez, S. L., Betancur-Pérez, J. J., Arismendi, J. A., & Gil-Cardona, J. H. (2012). Clinical and radiographic comparison of the pendulum effect with skeletal anchorage versus dentoalveolar anchorage. Revista Facultad De Odontología Universidad De Antioquia, 23(2), 268–291. https://doi.org/10.17533/udea.rfo.9441

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