Comparison Between Mini Implant Supported Appliance and Headgear in Treatment of Maxillary Excess in Growing Patients

Cairo University26 enrolled

Overview

The aim of the study is to compare an Infra-zygomatic Mini implant supported appliance with headgear in distalization and intrusion of maxillary dentition for treatment of growing patients with class II malocclusion (maxillary excess)

In this randomized trial, 2 groups will be included. The first group will receive an Infra-zygomatic Mini implant supported appliance. In the second group, the patient will receive a removable high pull headgear. the follow-up period will be 8 months or till class I canine or incisors relation is obtained. the assessment will be through a lateral cephalogram

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

SINGLE

Enrollment

Conditions

Class II Division 1 Malocclusion

Interventions

Infra-zygomatic Mini Implant Supported ApplianceDEVICE

1. leveling and alignment of the four maxillary incisors 2. infra zygomatic mini-implant will be placed bilaterally 3. wire frame work that is designed resembling the inner bow of headgear will be adapted to the upper arch 4. a heavy arch wire engaging the 4 incisors will be attached to the wire frame work 5. orthopedic force will be delivered from the mini-implants to the wire frame work

high pull head gearDEVICE

1. acrylic maxillary splint is made with flying tubes 2. high pull head gear is adapted to be inserted in the flying tubes

Eligibility

Sex: MALEMin age: 7 YearsMax age: 15 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: 1. Growing patients ( cervical vertebrae maturation stage cs2-cs3 ) 2. Maxillary excess 3. Minimum overjet 4 mm 4. class II canines or incisors 5. Increased incisal show at rest and on smiling 6. Normal and increased vertical growth pattern 7. No previous orthodontic treatment 8. No congenitally messing teeth except third molars Exclusion Criteria: 1. Inadequate incisal show 2. Class II with deficient mandible and normal maxilla 3. Patients with any syndrome 4. Patients with horizontal growth pattern

Locations (1)

Cairo University

Cairo, Egypt

RECRUITING