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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05592977
Other study ID # FUE.REC(23)/11-2020
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date November 9, 2020
Est. completion date December 1, 2022

Study information

Verified date February 2023
Source Future University in Egypt
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

There is a scarcity in the current literature regarding such appliance and its effect on distalizing the first maxillary molar in absence of the second molar. Therefore, this study was made to evaluate the effect of bilateral distalization of upper first molars in a group of patients after extraction of maxillary second Molars using infra zygomatic mini implants.


Description:

The appliances available for distalization used to be mainly extraoral distalizing appliances which depended entirely on patient cooperation and compliance. Even after the emergence of intra-oral distalizing appliances they had adverse dentoalveolar effect such as anchorage loss and flaring of the upper anterior teeth. Thus, this study was made in order to evaluate the efficiency of our proposed appliance in the treatment of Class II patients while avoiding the adverse effects mentioned above.


Recruitment information / eligibility

Status Completed
Enrollment 10
Est. completion date December 1, 2022
Est. primary completion date November 1, 2022
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Female
Age group 16 Years and older
Eligibility Inclusion Criteria: - Female Patients with cervical vertebra maturation index (CVMI) 5 & 6. - From quarter unit to 3\4-unit class II molar relationship. - An overjet of an average 6mm. - Full Set of permanent dentition except for the maxillary second molar. - Favorable path of eruption for the maxillary third molar. Exclusion Criteria: - Medically compromised Patients. - Patients under long term medications. - Patients having sever periodontal disease. - CVMI 3 or less - Full unit class II cases

Study Design


Intervention

Device:
Intra-Oral Distalizing Device
The inner bow (1.2mm) is a modified version of the inner part of a conventional face bow. Two hooks were soldered onto the inner bow distal to the lateral incisor teeth regions, and U loop at 1st premolar region, and bends acting as mesial stop will be bent in front of the maxillary first molars. The anterior component of the inner bow is 3 mm free from the labial surface of anterior teeth

Locations

Country Name City State
Egypt Future University In Egypt New Cairo Cairo

Sponsors (1)

Lead Sponsor Collaborator
Future University in Egypt

Country where clinical trial is conducted

Egypt, 

Outcome

Type Measure Description Time frame Safety issue
Primary linear distalization of maxillary 1st molar. Efficiency of the proposed appliance to induce distalization of the upper 1st molar measured on Scanned dental casts as well as cone-beam computed tomography (CBCT) in millimetres. Up until Class I Molar Relation (a maximum of 8 months regardless)
Primary Rate of maxillary 1st molar Distalization in mm/ month. Efficiency of the proposed appliance to induce distalization of the upper 1st molar measured on Scanned dental casts with a monthly follow up in millimetres. Up until Class I Molar Relation (a maximum of 8 months regardless)
Secondary Changes in Intermolar width in mm. Effect of the proposed appliance on the transverse Dental changes in the upper buccal segment through scanned dental cast in millimetres Up until Class I Molar Relation (a maximum of 8 months regardless)
Secondary Changes of Molar inclination in degrees. Effect of the proposed appliance on the angulation of the first permanent molar through scanned dental cast and cone-beam computed tomography (CBCT) in degrees. Up until Class I Molar Relation (a maximum of 8 months regardless)
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