Why can not the primary teeth out.

6-years-old children, most of teeth are primary, may have 12 primary teeth can not then, not long out permanent teeth. This situation is now very common. Analysis of its causes, children's dentist, may be eating too fine a great relationship. Oral hospital children's dental professor, found in many of the children, asked the usual eating habits, parents reflected: hard on the things that do not eat, eat apples are sent to the mouth sheet. Professor Song said, usually not fresh coarse grain, primary, jaw teeth, denture, dental muscles and teeth are not tempered. This will not only teeth not strong, the tooth will not be necessary to stimulate, not long out of new teeth, deciduous no driving force, of course , Not out. Life is movement, the teeth should also be appropriate chew before a more healthy. Deciduous can not also with a number of oral diseases. Such as dental caries, carious teeth with chronic inflammation, adhesion periodical occurred, the sinking of deciduous, adhesion, and when the swap can not. Sometimes, dental caries can lead to early primary teeth out, no permanent teeth. When the primary teeth because carious premature loss, the day-to-day chewing over the keratinized mucosa, can not be permanent teeth eruption. This situation requires surgical incision gum to help permanent teeth eruption.