1, licking tooth vomit tongue
Occurs in the child's HuanYa period, children tongue lick loose teeth used or the new long out of the permanent teeth, so as to form your tongue or extend a tongue of bad habits. If kept on the tip of the tongue lick up and down front teeth, will lead to tooth and formed between local opening and closing gap between his teeth will appear, and still can make the jaw were displaced forward, lead to double jaw thrust forward deformity and leaves. If often lick the next front teeth, may cause the mandible displaced forward, form her jaw forward against $.
2, partial lateral chewing
Children in the development of teeth later, because MLB hats teeth fall out and a side of the normal teeth chewing function is affected, prone to partial lateral chewing habit.
Partial lateral chewing will make teeth to chew the bow rotation, and waste using side dysplasia, make to chew deflection, chin side to face left-right asymmetry. And because the don't often chewing on one side of the friction and scouring without food, can't clean itself, more easy accumulation plaque, very prone to dental caries, red, swollen gums and periodontal disease.
3, mouth breathing
Normal breathing application nose, but if children with rhinitis or adenoids, disease, the way is not unobstructed, can form the habit of mouth breathing. Long-term mouth breathing, the child's tongue and jaw back, will cause the maxillary lordosis, teeth bow is narrow, the teeth not neat. Appearance open toothy performance lips, lip short thick and came and tooth outstanding.
4, poor sleep habits
Some baby in the elbow when sleep habits, palms, fists and pillow in a side face of lower part, or like often use hand holds the side of the SaiBu, these habits for children and the normal growth and facial symmetry have influence.
5, before the sugar
Sleep at night, seldom drink, human body each organ and the rest mostly, saliva is secreted decrease, baseball hats bedtime sugar, sugar in the metabolism of bacteria have been born in the course of lactic acid, corrosion form cavities in teeth, which happened tooth decay.
See more:A carelessly kiss to make four terrible disease
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