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What is Yasuda? How do I know if I need correction?
What is Yasuda? Floor covering day is also called floor covering day. The best stomatologist in Jinan said that under normal circumstances, when the upper and lower teeth bite, the upper front teeth should bite outside the lower front teeth. Otherwise, the lower incisors will bite the outside of the upper incisors. This is medically called "front teeth bite back" and "bite back", commonly known as "floor covering day" and also called "brushing your teeth".
The best dental expert in Jinan said that the land can be divided into three different types clinically:
Teeth formation-often manifested as simple overbite, small reverse overbite, neutral molar relationship or mesial relationship. The shape and size of mandible are basically normal, the relationship between maxilla and mandible is not obviously abnormal, the chin is not prominent or protruding, and the face is basically normal. The mandible can retreat to the relationship between incisors and blades.
Bone derivation-the ground covers the sky and the anti-coverage is large. Molar is mesial malocclusion; Accompanied by jaw deformity, it can be manifested as blunt mandibular angle, long mandible, short mandible, underdeveloped maxillary front, obvious chin protrusion, often unable to retreat on its own, facial depression and so on. Sometimes accompanied by opening and closing deformity.
Functionality-excessive protrusion or protrusion of the mandible, but the mandibular shape and size are basically normal, and the mandible can retreat to the anterior teeth or overlap shallowly.
Knowing what a plot is, the best dentist in Jinan said, how do you know whether to correct it or not? Which type you belong to, you need to do the corresponding inspection to judge.
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