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INTERNATIONAL JOURNAL OF PHARMACEUTICAL RESEARCH

A Step Towards Excellence
Published by : Advanced Scientific Research
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0975-2366
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IJPR 9[3] July - September 2017 Special Issue

July - September 9[3] 2017

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Prevalence of different types of expansion appliance usage for maxillary expansion

Author: , ARATHI MURUGESAN, SARAVANA DINESH S.P, NIVETHIGAA BALAKRISHNAN
Abstract: Maxillary deficiency is one of the common problems in orthodontic patients and is usually associated with bilateral or unilateral posterior crossbite, narrow nasal cavity, and crowding. Maxillary expansion is the best possible treatment to correct maxillary deficiency. The aim of the study was to quantitatively assess the different types of expansion devices used and also to study the association between the type of appliances used and age distribution. This was a retrospective cross sectional study conducted in the Department of Orthodontics, Saveetha Dental College, Chennai. Records of patients who underwent maxillary expansion over a period of 10 months from June 2019 to March 2020 were analysed and the type of appliance used for expansion was noted and grouped accordingly. Total of 13 records were selected based on the selection criteria. Percentage calculation for each type of appliance used was calculated using SPSS software version 20.0 for Windows. Quad helix was the most common appliance used with a percentage of about 30.77%. HYRAX was used for 23.06% of patients who required expansion. Removable appliances with Jack screw, Jockey archwire expansion, MARPE and SARPE were used for 15.38%, 15.38%, 7.69% and & 7.69% respectively. The appliances were selected based on the pre-treatment condition, age of the patient, risk benefit ratio and technical skills of the clinician.
Keyword: Maxillary expansion appliances; maxillary transverse discrepancy; maxillary constriction; slow maxillary expansion, rapid maxillary expansion; MARPE; SARPE
DOI: https://doi.org/10.31838/ijpr/2021.13.01.209
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