Malocclusion

Normally consist both arches of teeth having lateral (proximal) contact and form a harmonious curve, wherein the upper front teeth, the upper third of the lower anterior teeth cover (The determination of the teeth). The buccal (outer) cusps of the upper posterior teeth are located further outwards than the corresponding cusp tips of the lower posterior teeth. In most cases, the front buccal cusp tip of the upper first molars buccal engages into the front groove of the first molars. Since the outer portions of all the upper teeth are normally further to the outside than the lower teeth, lips and cheeks are displaced so that they will not fall between the rows of teeth and bitten. The lingual (interior) surfaces of the lower teeth form a smaller arc than the corresponding surfaces of the upper teeth, whereby the tongue concentrated and the danger of a bite injury is minimized. All maxillary teeth should be in contact with the corresponding lower teeth, so that the masticatory forces (the ‘650 N can achieve in the molar and 1100 N when pressed during sleep) are distributed over a wide area. When these forces are applied to only a few teeth, these teeth may eventually become loose or have an abnormal wear.

As malocclusion refers to abnormal contact conditions between the teeth of the upper and lower jaw. Normally consist both arches of teeth having lateral (proximal) contact and form a harmonious curve, wherein the upper front teeth, the upper third of the lower anterior teeth cover (The determination of the teeth). The buccal (outer) cusps of the upper posterior teeth are located further outwards than the corresponding cusp tips of the lower posterior teeth. In most cases, the front buccal cusp tip of the upper first molars buccal engages into the front groove of the first molars. Since the outer portions of all the upper teeth are normally further to the outside than the lower teeth, lips and cheeks are displaced so that they will not fall between the rows of teeth and bitten. The lingual (interior) surfaces of the lower teeth form a smaller arc than the corresponding surfaces of the upper teeth, whereby the tongue concentrated and the danger of a bite injury is minimized. All maxillary teeth should be in contact with the corresponding lower teeth, so that the masticatory forces (the ‘650 N can achieve in the molar and 1100 N when pressed during sleep) are distributed over a wide area. When these forces are applied to only a few teeth, these teeth may eventually become loose or have an abnormal wear. The determination of the teeth The numbering shown is the most widely used in the United States. Malocclusion DR ARMS TARANYAN / SCIENCE PHOTO LIBRARY var model = {thumbnailUrl: ‘/-/media/manual/professional/images/c0291843-malocclusion-science-photo-library-high_de.jpg?la=de&thn=0&mw=350’ imageUrl ‘/-/media/manual/professional/images/c0291843-malocclusion-science-photo-library-high_de.jpg?la=de&thn=0’, title: ‘malocclusion’ description: ‘ u003Ca id = “v37894050 “class = ” anchor “” u003e u003c / a u003e u003cdiv class = “” para “” u003e u003cp u003eSchiefstellung between upper and lower teeth when the jaw is closed. u003c / p u003e u003c / div u003e ‘credits’ DR ARMS TARANYAN / SCIENCE PHOTO LIBRARY’

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