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A mandibular typodont with some missing teeth to illustrate the "sockets" and screw holes with which the plastic teeth are held in the typodont. In dentistry, a typodont is a model of the oral cavity, including teeth, gingiva, and the palate. A typodont is an educational tool for dental and hygienist students, allowing them to safely practice ...
Tooth loss is a process in which one or more teeth come loose and fall out. Tooth loss is normal for deciduous teeth (baby teeth) , when they are replaced by a person's adult teeth . Otherwise, losing teeth is undesirable and is the result of injury or disease, such as dental avulsion , tooth decay , and gum disease .
In about 60–65% of teeth, the cementum overlaps the enamel at the CEJ, while in about 30% of teeth, the cementum and enamel abut each other with no overlap. In only 5–10% of teeth, there is a space between the enamel and the cementum at which the underlying dentin is exposed. [3]
This index is based on in-field clinical examination of individuals by using a probe, mirror and cotton rolls, and simply counts the number of decayed, missing (due to caries only) and restored teeth. Another version proposed in 1931 [1] counts each affected surface, yielding a decayed, missing, and filled surfaces (DMFS) index. Statistics are ...
Using the periodontal six/four point chart, if more than 30% of sites are involved then a diagnosis of generalised disease is given. If less than 30% of sites are involved, then the type of periodontitis is localized. To complete the diagnosis, the extent of the disease must be assessed.
Tooth mobility is the horizontal or vertical displacement of a tooth beyond its normal physiological boundaries [1] around the gingival (gum) area, i.e. the medical term for a loose tooth. Tooth loss implies in loss of several orofacial structures, such as bone tissues, nerves, receptors and muscles and consequently, most orofacial functions ...
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The material is then set hard and the tooth is restored. Where a wall of the tooth is missing and needs to be rebuilt, a matrix should be used before placing the material to recreate the shape of the tooth, so it is cleansable and to prevent the teeth from sticking together.