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Abstract AI-Helper 아이콘AI-Helper

Purpose: This study aims to evaluate the changes in soft tissue thickness of the masseteric region after injection of botulinum toxin type A (BTX-A). Methods: Twenty-four data acquired from medical records were classified into 4 groups: bruxer group that received masseter muscle injection only (M-B)...

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AI 본문요약
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제안 방법

  • Acquired images of CBCT before and after injection were reconstructed and analyzed using Invivo5 (Anatomage, San Jose, CA, USA) and the point which were thought to be the nearest to the injection site was marked at the position where the line drawn from the center of coronoid process crossed the center of mandibular body and measured.
  • The previous studies about BTX-A application in bruxism evaluated its efficacy by injecting into masseter and temporalis muscles which are easy to approach externally among the masticatory muscles, but there was no study comparing the treatment effect of each. The aim of this study was to find out whether there was any difference in reduced thickness of soft tissue when BTX-A was injected into masseter only compared with when BTX-A was injected into both masseter and temporalis muscles and also the effect of each muscle injection on bruxism patients. This study is approved by the Institutional Review Board of Pusan National University Dental Hospital (PNUDH-2013-033).
  • This study compared the difference in reduced thickness of soft tissue when BTX-A was injected into masseter only and when BTX-A was injected into both masseter and temporalis muscles and also their effect on bruxism and obtained the following results.

대상 데이터

  • The patients were recommended to receive both masseter and temporalis muscle injections but the injection was given into masseter only or into both masseter and temporalis muscles according to their choices. The subjects were all women and none of them had known systemic disease, pregnancy, possible pregnancy or any other specific medical history and were not taking any regular medications such as anti-depressants. Age ranged from 22 to 41 (25.

데이터처리

  • , Armonk, NY, USA). Normality test was done and independent t-test was performed. Significant level was 5% in this study (p<0.
  • Statistics by independent two samples t-test.
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참고문헌 (34)

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