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Odontomas usually asymptomatic and present as chance radiographic finding, often during childhood and adolescence when teeth do not erupt within the expected timeframe. [6] Occasionally odontomas can erupt into the mouth and this can lead to acute infections resembling a dental abscess. [10]
Once the first permanent tooth erupts into the mouth, the teeth that are visible are in the mixed (or transitional) dentition stage. After the last primary tooth is shed or exfoliates out of the mouth, the teeth are in the permanent dentition stage. Each patient should be assigned a dentition period to allow for effective dental treatment. [10]
Tooth eruption in humans is a process in tooth development in which the teeth enter the mouth and become visible. Current research indicates that the periodontal ligaments play an important role in tooth eruption. Primary teeth erupt into the mouth from around six months until two years of age.
Overeruption can cause interferences in the occlusion and difficulty when constructing dentures. The alveolar bone typically overgrows, but root surfaces can be exposed to the oral environment increasing likelihood of dental caries. Overerupted teeth are often sharp due to lack of tooth wear (dental attrition) by adjacent teeth during chewing.
[2] [3] This type of failure of eruption has a genetic or familial background precursor as a cause. The prevalence is of PFE is about 0.06% in population. In this type of failure, teeth that are non-ankylosed fail to erupt in the mouth. These teeth do not have a precursor tooth that is blocking their path.
The earlier the oral cancer is diagnosed, the better the chances for full recovery. Persistent suspicious masses or ulcers on the mouth should always be examined. Diagnosis is usually made with a biopsy; treatment depends on the exact type of cancer, where it is situated, and extent of spreading.
Head and neck cancer is a general term encompassing multiple cancers that can develop in the head and neck region. These include cancers of the mouth, tongue, gums and lips (oral cancer), voice box (), throat (nasopharyngeal, oropharyngeal, [1] hypopharyngeal), salivary glands, nose and sinuses.
The lower wisdom tooth is the last tooth to erupt into the mouth, and is, therefore, more frequently impacted, or stuck, against the other teeth. This leaves the tooth partially erupted into the mouth, and there frequently is a flap of gum (an operculum), overlying the tooth.