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題 名 | 以共振頻率法評估牙周之臨床狀況=Clinical Assessment of Periodontal Condition by Resonance Frequency Technique |
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作 者 | 李勝揚; 王茂生; 黃豪銘; 葉錦瑩; 張維仁; 潘力誠; 林哲堂; | 書刊名 | 中華牙醫學雜誌 |
卷 期 | 20:1 2001.03[民90.03] |
頁 次 | 頁37-46 |
分類號 | 416.9 |
關鍵詞 | 共振頻率; 模態測試; 牙周狀態; 臨床; Resonance frequency; Modal testing; Periodontal attachment level; Clinical assessment; |
語 文 | 中文(Chinese) |
中文摘要 | 在口腔醫學的臨床診斷上,到目前為止仍缺乏有效的設備或方法可以評估或檢測 牙周之邊界狀態。本研究目的即在於探討以牙齒的共振頻率值預測牙周附連高度喪失程度的 可行性。本研究以體內模態測試法檢測 1196 顆牙齒的共振頻率值,實驗方法是以衝擊鎚激 發牙齒共振,並利用麥克風接收振動訊號,再將牙齒的共振頻率值與牙周狀態作一比較。本 研究結果顯示,牙齒的共振頻率在上、下、左、右四個象限間沒有明顯的差異,而前牙(含 門齒及犬齒)的共振頻率值在發生牙周病時平均為 1.26 ± 0.1 kHz,明顯地比健康時的平 均值 1.34 ± 0.18 kHz 要低( p<0.01 ),而後牙(含第一前臼齒及第一臼齒)在發生牙 周病時其共振頻率的平均值( 1.22 ± 0.13 kHz )亦較健康時( 1.27 ± 0.18 kHz )要 低( p<0.05 )。基於本研究之結果,我們認為共振頻率確實可以有效地偵測牙周狀態,且 其具可量化以及非侵入、非破壞的特性,在牙周疾病的早期檢測與預防上提供了一極佳之新 思維方向。 |
英文摘要 | The purpose of this study was to evaluate the usefulness of resonance frequency analysis (RFA) for the detection of periodontal tissue attachment loss. In this study, 1196 natural teeth were examined with conventional probing methods and RFA. The teeth were made to vibrate with an impulse hammer, and the vibration response recorded by an acoustic sensor. Results indicated that there was no significant difference in RF values for upper-lower-left-right teeth quadrants. However, the RF values for anterior teeth (central incisor and canine) with periodontal disease were found to be 1.26 ± 0.10 kHz, which was significantly lower (p<0.01) than for healthy teeth (1.34 ± 0.18 kHz). The mean frequency in periodontally involved posterior teeth (first premolar and first molar, 1.22 ± 0.13 kHz) also decreased significantly (p < 0.05) relative to healthy teeth (1.27 ± 0.18 kHz). The results show that RFA may be an effective method for the assessment of the periodontal condition of teeth. Moreover, since the method is non-invasive and non-destructive, it can serve as a quantifiable method for early testing and prevention of periodontal disease. |
本系統中英文摘要資訊取自各篇刊載內容。