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     The front teeth opening and closing of Knowledge Lecture

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    huoniao520



    Tổng số bài gửi : 169
    Join date : 26/12/2011

    Bài gửiTiêu đề: The front teeth opening and closing of Knowledge Lecture   Mon Apr 16, 2012 1:29 pm

    The front teeth opening and closing of Knowledge Lecture

    Anterior teeth to open and close when co-bit and non-middle co-bit in the middle, upper and lower part of the tooth in a vertical direction without dental apex locator co-exposure to the clinical disease is rare, more common in the permanent dentition. Divided into three degrees of anterior teeth opening and closing of open heterozygosis (the vertical distance between the cutting edge of upper and lower incisors, maxillary incisor incisal edge to mandibular incisors to cut the side of the dental loupes vertical distance standard): I ° up and down the opening and closing of vertical teeth to separate within 3mm; Ⅱ degree, plus opening and closing of tooth vertical separate 3-5mm; III degrees, up and down the opening and closing of vertical teeth to separate more than 5mm. Anterior open together, only the front teeth to open and close, only the posterior teeth partial opening and closing, some serious dental articulator opening and closing of the full mouth, only the last molar occlusal contact.

    The diagnosis is based on opening and closing of the front teeth: the upper and lower front teeth or teeth separated from the vertical, occlusal contact; before the alveolar bone or jaw height is normal, after the teeth are too high; front teeth alveolar or jaw, posterior alveolar or jaw bone height is too high, the performance of opening and closing of the front teeth of a long face; height of less than alveolar or Four Mistakes of spring dental dental micro motor care mandibular anterior teeth, posterior teeth height of normal alveolar or jaw, showing the face normal of individual anterior teeth on the jaw does not touch the contact face small-scale opening and closing. The front teeth were prismatic opening and closing; a wide range of opening and closing of the front teeth; teeth after unilateral or bilateral open bite.

    There are three main treatments in evaluation of anterior open dental handpiece together, they are:

    Cured, the symptoms and signs of improvement, bad habits have not been corrected;

    Improved, the front teeth to open and close lift the pale overbite or right edge of the joint relationship of teeth opening and closing basically removed, occlusal buy dental equipment contacts, but contact is not widely;

    Cure, anterior or posterior teeth laminated cover normal to the surface 1/3 height within an acceptable range, bad habits have been corrected.
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