窝沟龋 pit and fissure caries
- 结论:窝沟封闭能有效预防窝沟龋的发生。
Conclusion: The pit and fissure sealant have significant preventive effect on carious teeth. - 肉眼观察:平滑面龋多呈底向外,尖向内的三角形及其它不典型形态,而窝沟龋的病损呈倒三角形(尖向外,底向内),病变区常有黄色色素沉积。
Macroscopic observation : Smooth surface caries is conical in shape with its apex towards the dentine. Fossa, pit or fissure caries is on the contrary.
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