The face that him baby causes is hideous
Hand and oral cavity are having close relationship, for instance: Have a meal, gargle, brush one's teeth wait to cannot leave a hand. But the hand also brings a harm to oral cavity, tooth, tooth (〖 tooth adds up to 〗 ) misshape even if among them one of. Tooth (〖 tooth adds up to 〗 ) deformation is to show the tooth grows not trimly, its expression is turned over for anterior teeth (〖 tooth adds up to 〗 ) (bag ages) , before the upper jaw dash forward, before double jaw dash forward (pout) , double jaw retraction (sunken face) etc. Tooth (〖 tooth adds up to 〗 ) deformation is a kind of common patient, rate of domestic report sicken is as high as 29 ~ 49 % .
So, why can the hand cause a tooth (does 〖 tooth add up to 〗 ) misshape? This have to from the tooth (〖 tooth adds up to 〗 ) unbalanced pathogeny is mentioned. Cause a tooth (〖 tooth adds up to 〗 ) unbalanced pathogeny amounts to more than 10 kinds, among them undesirable habit occupies oral cavity 1 / 5, and majority is concerned with the hand again.
Most baby has the habit that sucks finger in 34 lunar age. The person that suck big toe, point to the palate on upright contact, arise to the upper jaw up, forward outside force, big toe back oppresses labium reachs mandible, produce the outside force that is down backward. Suck big toe time long, the baby is growing in development process, before forming the upper jaw gradually dash forward, enclothe deformation mandible retraction, greatly (namely pout is unbalanced) . Fluctuation anterior teeth cannot be contacted, the influence is cut bite food, more important is influence appearance.
When the baby sucks middle finger, index finger, because go up,suck of next Ji of jaw tooth chamfer bite forefinger or middle finger time is long, can affect the perpendicular growth of jaw bone. After bud of fluctuation anterior teeth goes out, make fluctuation anterior teeth cannot be contacted as a result of suffocate suffocate of jaw bone growth, form (〖 tooth adds up to 〗 ) deformation. Affect accuracy of fore-tooth sound pronouncing then, also affect cut bite alimental function. Suck middle finger, forefinger to be down from time to tome, forward outside force, time is long, mandible is forward overgrowth, before causing mandible dash forward deformation. Expression is facial cave, show face of crescent moon shape, affect appearance and function badly.
Additionally some infantile side lie when Morpheus, the habit presses a hand below the face; When some children are learning or watching TV, the habit is holding mandible in the palm with a hand, go down for a long time, make facial development asymmetry. Return some children to have the undesirable habit of fingernail of be addicted to, time is long, form anterior teeth easily local small (〖 tooth adds up to 〗 ) , clearance is formed between anterior teeth.
Had a tooth (〖 tooth adds up to 〗 ) deformation, not only the normal play that affects utterance and masticatory function, more important is the normal exterior that affects countenance. Accordingly, the parent should begin to correct the undesirable habit that its suck points to from infantile period, precautionary tooth (〖 tooth adds up to 〗 ) deformation, promote its tooth, (〖 tooth adds up to 〗 ) , jaw face is strong and handsome development.
