什么是窝沟封闭? 磨牙和双尖牙的表面有许多深浅不一的窝沟,菌斑易于堆积。在咀嚼的压力作用下,压入其中的食物残渣,用漱口、刷牙等办法也很难完全清洁。此外,新萌出的牙齿窝沟底部发育和钙化还不完善。这些都是龋齿的好发部位。窝沟封闭.就是使用一种高分子材料,像一个保护罩一样.把这些窝沟封闭起来,有效地预防龋齿的发生。由于价格较低,操作简单,且无任何痛苦,窝沟封闭成为世界卫生组织向全世界儿 What is the pit and fissure closed? Molar and bicuspid surfaces have many pit fissures, plaque easy to accumulate. Under the action of chewing pressure, it is difficult to completely clean the food residue pressed into it, mouthwash, brushing and other ways. In addition, the new edema fissure bottom development and calcification is not perfect. These are the predilection sites for dental caries. Pit and fissure is closed, is the use of a polymer material, like a protective cover to seal these pit and ditch, effectively prevent the occurrence of dental caries. Due to lower prices, simple operation, and without any pain, pit and ditch closure became the World Health Organization to the world children