gingival trough的用法和樣例：
例句
- Conclusion Gingival sulcus temperature in subjects with healthy periodontium is easily influenced by environmental factors.
結論健康牙齦溝溫度受環境因素的影響較大。 - In order to monitor the expression of cytokines in humans non-invasively, changes of the compositions of gingival crevicular fluid have been studied.
為了能夠在人體檢測這些細胞激素的變化，觀察牙齦溝液內細胞激素組成成份的改變是一個非侵略性的實驗方式。
