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Infra-Zygomatic Mini Screws Compared to High Pull Headgear for Distalization And Intrusion of Maxillary Molars in Growing Patients with Class II Malocclusion: A Randomized Clinical Trial

Author

Listed:
  • Ahmed K. Afify

    (Cairo University, Egypt)

  • Amr E. El-Dakroury

    (Cairo University, Egypt)

  • Sherif A. El-Kordy

    (Cairo University, Egypt)

  • Mostafa M. El-Dawlatly

    (Cairo University, Egypt)

Abstract

Objective: The aim of the present randomized clinical study was to evaluate the distalization and intrusion effect of an Infra-zygomatic mini-screws supported appliance and compare it with high pull headgear appliance in treatment of growing patients with class II malocclusion. Methodology: 22 growing boys aged between (10 to 12 years) with class II div 1 malocclusion randomly divided to 2 equal groups. The first group treated with high pull headgear with acrylic splint and the second one treated with an Infra-zygomatic mini-screws supported appliance. The treatment duration was 8 months for both groups. Lateral cephalometric radiographs were taken before and after the treatment for each patient to be analyzed. Results: The maxillary first molar distalization was 2.58±2.31 mm in head gear group and 1.53±2.83 mm in mini-screws group. There was no significant maxillary first molar intrusion in both groups. There were no significant differences between the two groups. Conclusions: the mini-screws supported appliance can be used as the fixed replacement of the removable high pull headgear appliance with no need for patient cooperation.

Suggested Citation

  • Ahmed K. Afify & Amr E. El-Dakroury & Sherif A. El-Kordy & Mostafa M. El-Dawlatly, 2021. "Infra-Zygomatic Mini Screws Compared to High Pull Headgear for Distalization And Intrusion of Maxillary Molars in Growing Patients with Class II Malocclusion: A Randomized Clinical Trial," European Journal of Dental and Oral Health, European Open Science, vol. 2(1), pages 14-19, January.
    • Handle: RePEc:epw:ejdent:v:2:y:2021:i:1:id:13040
    DOI: 10.24018/ejdent.2021.2.1.40
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