임플란트 healing abutment 높이와 타진각도에 따른 타진방식 임플란트 안정성 측정기기의 수치 차이
Differences in percussion-type measurements of implant stability according to height of healing abutments and measurement angle
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목적: 인조골에 동일한 조건으로 식립한 임플란트에 대하여 타진방식의 임플란트 안정성 측정기기인 Periotest와 AnyCheck을 사용하여 안정성 수치를 측정함에 있어서, healing abutment의 높이와 타진각도의 변화에 따른 각 측정기기의 안정성 수치 차이를 조사하는 것이다. 재료 및 방법: 총 60개의 임플란트를 주문제작한 인조골 블록에 식립하고 2, 3, 4, 5 mm 높이의 healing abutment를 각각 15개씩 네 그룹으로 나누어 체결하였으며, 각각 식립 토크, implant stability test, Periotest value를 측정했다. 임플란트 식립 시 45 - 55 Ncm의 토크를 유지하였다. 임플란트 장축에 수직인 지면을 기준으로, implant stability test는 AnyCheck을 사용하여 0°, 30°의 기울기로 측정했으며 Periotest value는 Periotest M을 사용하여 0°, 30°의 기울기로 측정하였다. 측정값은 통계적으로 비교 분석하였다. 결과: 식립 토크는 그룹 간 통계적 유의차가 없었다. AnyCheck과 Periotest M으로 측정했을 때, healing abutment의 높이가 증가할수록 안정성 수치가 낮게 측정되었다. 또한 AnyCheck과 Periotest M을 0°와 30° 기울기로 측정 시 0°로 측정한 그룹에서 안정성 수치가 더 낮게 측정되었다. 결론: 임플란트의 안정성 수치를 타진방식으로 측정할 때에는 healing abutment 높이와 타진각도의 변화에 따른 차이를 고려하여 측정해야 표준화된 평가를 할 수 있으며, 이에 대한 더욱 세밀한 사용법을 인지할 필요가 있다고 사료되었다.
Abstract
Purpose: The purpose of this study was to evaluate the effect of healing abutment height and measurement angle on implant stability when using Periotest and AnyCheck. Materials and methods: 60 implants were placed into artificial bone blocks. After implant insertion, 2, 3, 4 and 5 mm healing abutments were installed on 15 specimens, respectively. Insertion torque value, implant stability test, Periotest value were measured. Insertion torque value was controlled between 45 - 55 Ncm. AnyCheck was used for measuring implant stability test and Periotest M was used for measuring Periotest value. Implant stability test and Periotest value were measured at the angles of 0 and 30 degrees to the horizontal plane. Measured values were analyzed statistically. Results: Insertion torque value had no significant difference among groups. When healing abutment height was higher, implant stability test and Periotest value showed lower stability. Also when measurement angle was decreased, implant stability test and Periotest value showed lower stability. Conclusion: When measuring stability of implants with percussion type devices, measured values should be evaluated considering height of healing abutments and measurement angle.
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