Comparison of effects of Pre-orthodontic Trainer and Twin Block appliance in growing patients with a backwardly placed lower jaw

Phase 4

Not yet recruiting

Conditions: Other specified disorders of teethand supporting structures,

Registration Number: CTRI/2023/10/059238

Lead Sponsor: Pravara Institute of Medical Sciences Loni

Brief Summary: The aim of this study is to compare clinically and cephalometricallythe changes brought by use of preorthodontic trainer and twin block applianceon both hard and soft tissues in patients with skeletal Class II relation withmandibular retroposition.

**AIMS:**

The aim of this study is to evaluate and compare clinicallyand cephalometrically the hard and soft tissue effects of preorthodontictrainer and twin block appliance in patients with a retropositioned mandible inskeletal Class II relationship.

**OBJECTIVES:**

1) To evaluate the pre andpost treatment effects of myofunctional trainer in patients with a retropositioned mandible inskeletal Class II relationship.

2) To evaluate the pre andpost treatment effects of a conventional removable Twin Block in patients with a retropositioned mandible inskeletal Class II relationship.

3) To compare clinically theeffect of myofunctional trainer and conventional removable twin block in patients with a retropositioned mandible inskeletal Class II relationship.

4) To comparecephalometrically the effect of myofunctional trainer and conventionalremovable twin block inpatients with a retropositioned mandible in skeletal Class II relationship.

5) To evaluate andcompare the soft tissue changes of a conventional removable twin block and apreorthodontic trainer in patients with a retropositioned mandible inskeletal Class II relationship.

Detailed Description: Not available

Recruitment & Eligibility

Status: Not Yet Recruiting

Sex: All

Target Recruitment: 12

Inclusion Criteria

1)Skeletal Class II patients with mandibular retroposition 2)Overjet more than 4mm 3)Angle ANB more than 4 degree 4)Growing patients (CVMI 1-4) 5)Patients whose parents/guardians willing to give written and informed consent to this study 6)Patients with no previous orthodontic treatment.

Exclusion Criteria

1)Skeletal Class I malocclusion 2)Skeletal Class III malocclusion 3)Patients whose skeletal growth has completed 4)Patients with missing teeth 5)Patients with bone metabolic disorders 6)Patients with congenital deformity of orofacial structures or any craniofacial syndromes 7)Patients with chronic ulcers in oral cavity 8)Patients not showing compliance with the treatment.

Study & Design

Study Type: Interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Both the pre-orthodontic trainer and the twin block appliance will cause forward positioning of the mandible correcting the skeletal Class II malocclusion.	The patients will be assessed after 12 months to compare the efficiency of the pre-orthodontic trainer and the twin block appliance.

Secondary Outcome Measures

Name	Time	Method
Both the pre-orthodontic trainer and the twin block appliance will improve the soft tissue profile of the patient	12 months

Trial Locations

Locations (1): Rural Dental College, Loni
🇮🇳
Ahmadnagar, MAHARASHTRA, India
Rural Dental College, Loni
🇮🇳Ahmadnagar, MAHARASHTRA, India
Dr Aishwarya Thorat
Principal investigator
8446672505
thorataishwarya201@gmail.com