Comparison Between Two Rates of Activation of Miniscrew-Supported Upper Jaw Expander in Adolescents

  • STATUS
    Recruiting
  • participants needed
    30
  • sponsor
    Alexandria University
Updated on 19 February 2024
maxillary expansion

Summary

Miniscrew-supported maxillary expanders provide advantages over conventional tooth-supported expanders. However, there is no consensus in the literature regarding their activation protocol. The purpose of the clinical trial is to evaluate and compare the effects of slow and rapid activation rates of miniscrew-supported expanders on the skeletal changes, dento-alveolar changes and the pain experience.

Description

Transverse maxillary deficiency is one of the problems that are commonly encountered in the orthodontic practice. Miniscrew-supported maxillary expansion represents a promising modality for the treatment of transverse maxillary deficiency. However, controversies still exist regarding the activation protocol. One of these controversies is whether using a slow activation protocol would be more beneficial to the patients compared to a rapid activation protocol. Another question that consequently ensues is whether such activation protocol would result in less pain compared to the rapid activation protocol.

The null hypothesis of the current study is that there is no difference between slow and rapid activation protocols of miniscrew-supported expander.

Details
Condition Malocclusion, Maxillary Expansion, Posterior Crossbite, Maxillary Hypoplasia
Age 12years - 16years
Treatment Miniscrew-Supported Maxillary Expander- Slow activation, Miniscrew-Supported Maxillary Expander- Rapid activation
Clinical Study IdentifierNCT04225637
SponsorAlexandria University
Last Modified on19 February 2024

Eligibility

Yes No Not Sure

Inclusion Criteria

Permanent dentition
Participants indicated for skeletal maxillary expansion due to unilateral or bilateral posterior cross bite or maxillary transverse deficiency
Good oral hygiene

Exclusion Criteria

History of previous orthodontic or orthopedic treatment
History of maxillary trauma
Patients with congenital craniofacial malformations
Patients receiving pharmacological agents or having systemic diseases that might affect the bone metabolism or the pain response
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