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

Cairo University (CU)

Status: Unknown

Conditions: Class II Division 1 Malocclusion

Treatments: Device: high pull head gear; Device: Infra-zygomatic Mini Implant Supported Appliance

Study type: Interventional

Funder types: Other

Identifiers

NCT03839303

18-11-1

Details and patient eligibility

About

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)

Full description

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

Enrollment: 26 estimated patients

Sex: Male

Ages: 7 to 15 years old

Volunteers: Accepts Healthy Volunteers

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

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

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26 participants in 2 patient groups

Mini Implant Supported Appliance

Experimental group

Description:

this group will receive an Infra-zygomatic Mini Implant Supported Appliance after leveling and alignment of the four upper incisors for 8 months or till class I canine or incisors realation is reached with follow up every month

Treatment:

Device: Infra-zygomatic Mini Implant Supported Appliance

Headgear

Active Comparator group

Description:

this group will receive a high pull headgear appliance attached to a removable acrylic maxillary splint for 8 months or till class I canine or incisors realation is reached with follow up every month

Treatment:

Device: high pull head gear