正常发育的孩子无论是乳牙或被替换后的恒牙,一般萌出后排列整齐、紧密,牙与牙之间有牙龈(俗称牙肉)牢牢附着,仅允许唾液(口水)样液体在两牙间相互通过。因此,少年儿童多不容易出现塞牙症状。但以上情况发生变化或吃粗纤维多的食品时,就容易出现塞牙症状,孩子学会剔牙多从此时开始。 Normal development of children, either deciduous teeth or permanent teeth after replacement, the general eruption arranged neatly, closely, with gums between the teeth (commonly known as gum) firmly attached to only allow saliva (saliva) -like liquid in the two teeth Between each other. Therefore, more children and adolescents are not prone to dental symptoms. However, the above changes or eat crude fiber foods, it is easy to appear plug the teeth symptoms, children learn to pick up more teeth from the beginning.