1) Dental gypsum
牙石膏
2) dental calculus
牙石
1.
Method 500 copies of students’ questionnaire concerning bacterial plaque, dental calculus, periodontal disease, oral health through random sampling are analyzed.
方法对随机抽取的500名大学生进行现场问卷调查,内容包括牙菌斑、牙石、牙周病及口腔保健等相关知识,并统计结果。
2.
Results 15-year-old group is significantly higher than 12-year-old group in gingival bleeding detection frequency; dental calculus detection frequency and average section count.
结果:两个年龄组的牙龈出血检出率、牙石检出率以及牙石平均区段数,15岁年龄组明显高于12岁年龄组。
3) subgingival calculus
龈下牙石
1.
Effects of Er,Cr:YSGG laser on removing subgingival calculus;
Er,Cr:YSGG激光刮治龈下牙石的效果观察
4) Isolated dental caculus
离体牙石
5) prevent and cure calculus
牙石防治
6) dissolve calculus
溶解牙石
参考词条
补充资料：交交牙牙
1.错杂貌。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。