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CLINICAL INNOVATION
Year : 2020  |  Volume : 8  |  Issue : 2  |  Page : 26-28

Modified transpalatal auxiliary arch for enhanced anchorage and tooth movement


1 Department of Orthodontics and Dentofacial Orthopedics, Hazaribag College of Dental Sciences & Hospital, Hazaribag, Jharkhand, India
2 Department of Conservative and Endodontics, Hazaribag College of Dental Sciences & Hospital, Hazaribag, Jharkhand, India
3 Department of Public Health Dentistry, Hazaribag College of Dental Sciences & Hospital, Hazaribag, Jharkhand, India
4 Department of Prosthodontics and Crown & Bridge, Hazaribag College of Dental Sciences & Hospital, Hazaribag, Jharkhand, India
5 Consultant Orthontist, Dr. Swati’s Clinic, Hazaribag, Jharkhand, India
6 Consultant Endodontist, Baradwaj Dental Clinic, New Delhi, India

Correspondence Address:
Dr. Dhananjay Rathod
Department of Orthodontics and Dentofacial Orthopedics, Hazaribag College of Dental Sciences & Hospital, Jharkhand State Highway 7, Bara Bazar, Matwari, Demotand, Hazaribag, Jharkhand.
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/INJO.INJO_10_20

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Intraoral appliances such as transpalatal arch and Nance appliance fail to resist forces that tend to loosen the anchorage. The infirmity arises due to the long-lever arm and the mesial force that is perpendicular to the long axis of the appliance. The butterfly arch is presented here as an intraoral appliance that withstands the mesially directed forces with a mechanism that puts strain on a stiff wire along its long axis. The unique shape of the butterfly arch is advantageous in maximum anchorage cases, cases in which arch width preservation is critical and cases with a vertical growth pattern. With the aid of the butterfly arch, clinical concerns such as patient cooperation, wearing extraoral appliances, complicated mechanics in extraction cases, and control of the arch length, arch width, and vertical dimension would be greatly diminished.


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