Removable versus fixed myo-functional appliances in class II malocclusion among Indians

Rahul Pawar; Shib Kumar Nath; P Kiran Kumar; Khyati Patel; Mengi Arvind; Alap Shah; Bela Dave; Dhaval Niranjan Mehta

doi:10.6026/973206300191318

Removable versus fixed myo-functional appliances in class II malocclusion among Indians

Bioinformation. 2023 Dec 31;19(13):1318-1323. doi: 10.6026/973206300191318. eCollection 2023.

Authors

Rahul Pawar¹, Shib Kumar Nath², P Kiran Kumar³, Khyati Patel⁴, Mengi Arvind⁵, Alap Shah⁶, Bela Dave⁷, Dhaval Niranjan Mehta⁸

Affiliations

¹ Department of Orthodontic and Dentofacial Orthopaedics, JCD Dental College, Sirsa, Haryana, India.
² Consultant Orthodontist, The Smile Architect Dental Clinic and Braces Centre, Agartala, Tripura, India.
³ Department of Orthodontics and Dentofacial Orthopedics, College of Dental Sciences, Davangere, India.
⁴ Department of Orthodontics and Dentofacial Orthopedics, Narsinhbhai Patel Dental College and Hospital, Sakalchand Patel University, Visnagar, Gujarat, India.
⁵ Department of Orthodontics, Indira Gandhi Government Dental College, Jammu, India.
⁶ Department of Orthodontics and Dentofacial Orthopedics, Karnavati school of dentistry, Karnavati University, Uvarsad, Gandhinagar, India.
⁷ Department of Periodontology, Ahmedabad Municipal Corporation Dental College, Ahmedabad, Gujarat, India.
⁸ Department of Oral Medicine and Radiology, Narsinbhai Patel Dental college and Hospital, Sankalchand Patel University, Visnagar, Gujarat.

Abstract

It is of interest to compare two myofunctional appliances (frankal appliance and twin bloc) and two fixed orthodontic appliances (PowerScope and Forsus) in management of class II div 1 malocclusion. A total of 56 Class II division 1 malocclusion patients indicated for treatment with myofunctional appliances and fixed functional appliances were randomized. They were equally divided among frankal appliance (n=14), twin block appliance (n=14), PowerScope (American Orthodontics) (n=14), Forsus (3M Unitek Corp) groups (n=14). Skeletal and dentoalveolar effects of all appliances were compared. SNB increased remarkably by 4.2° in the Twin block group and it was high among all treatment groups. There was a significant decrease in vertical dimensions (SN-GoGn) in the Twin block (p = 0.002). Early treatment of Class II due to mandibular retrusion with Twin block functional appliance is recommended due to its favorable skeletal effect.

Keywords: Frankal appliance; PowerScope and Forsus; fixed orthodontic appliances; twin block.