Maxillary Molar Distalization Supported by Mini-implants With the Advanced Molar Distalization Appliance (Amda®)
1 other identifier
interventional
16
1 country
1
Brief Summary
The aim of this randomized controlled clinical trial is to evaluate the dentoalveolar and skeletal treatment effects of the AMDA when used for distalization of the maxillary first molars in patients with Class II malocclusion in the permanent dentition.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Jun 2022
Typical duration for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
June 20, 2022
CompletedFirst Submitted
Initial submission to the registry
June 13, 2023
CompletedFirst Posted
Study publicly available on registry
August 25, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 20, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
June 20, 2025
CompletedAugust 25, 2023
August 1, 2023
2 years
June 13, 2023
August 21, 2023
Conditions
Keywords
Outcome Measures
Primary Outcomes (3)
Anteroposterior position changes of upper first molars.
Anteroposterior position movement in mm of the upper first molars
8-12 months
Measurements on the lateral cephalograms and digital 3D model casts.
Angular measurements of the lateral cephalograms and digital models
8-12 months
Measurements on the lateral cephalograms and digital 3D model casts.
Linear measurements of the lateral cephalograms and digital models
8-12 months
Study Arms (2)
patients treated with amda®
ACTIVE COMPARATORtwo different treatment groups will be evaluated, from initiation of treatment until completion of maxillary molar distalization.
patients treated with buccal mini-implants
ACTIVE COMPARATORfrom initiation of treatment until completion of maxillary molar distalization.
Interventions
AMDA is a prefabricated device anchored to the palate by miniscrews and it is a noncompliance appliance for maxillary molar distalization
Buccal mini-implants for maxillary molar distalization
Eligibility Criteria
You may qualify if:
- All patients to have permanent dentition
- with or without the 2nd molar erupted
- bilateral Class II molar relationships (a quarter to 1 molar cusp).
You may not qualify if:
- Past orthodontic treatment
- crossbites,
- severe carious lesions,
- poor oral hygiene,
- mobility of the maxillary first molars,
- anterior open bites,
- vertical growth pattern,
- tongue habits.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University of Medicine and Pharmacy "Grigore T. Popa"
Iași, 70015, Romania
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Nikolaos Karvelas, PhD student
Grigore T Popa University, Department of Orthodontics
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Principal Investigator
Study Record Dates
First Submitted
June 13, 2023
First Posted
August 25, 2023
Study Start
June 20, 2022
Primary Completion
June 20, 2024
Study Completion
June 20, 2025
Last Updated
August 25, 2023
Record last verified: 2023-08
Data Sharing
- IPD Sharing
- Will not share
The data will be availaible upon request