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Permanent teeth or adult teeth are the second set of teeth formed in diphyodont mammals. In humans and old world simians, there are thirty-two permanent teeth, consisting of six maxillary and six mandibular molars, four maxillary and four mandibular premolars, two maxillary and two mandibular canines, four maxillary and four mandibular incisors.
Oral cancer is a subgroup of head and neck cancers which includes those of the oropharynx, larynx, nasal cavity and paranasal sinuses, salivary glands, and thyroid gland. Oral melanoma, while part of head and neck cancers is considered separately. [ 6] Other cancers can occur in the mouth (such as bone cancer, lymphoma, or metastatic cancers ...
cancer: Greek καρκίνος (karkínos), crab carcinoma: cardi-of or pertaining to the heart: Greek καρδία (kardía), heart cardiology: carp-of or pertaining to the wrist: Latin carpus < Greek καρπός (karpós), wrist; NOTE: This root should not be confused with the mirror root carp(o)- meaning fruit. carpal, carpopedal spasm ...
Ectodermal dysplasia. A patient displaying peg-shaped teeth and sparse hair characteristic of ectodermal dysplasia. Specialty. Medical genetics. Ectodermal dysplasia ( ED) is a group of genetic syndromes all deriving from abnormalities of the ectodermal structures. [ 1]: 570 More than 150 different syndromes have been identified.
Hypodontia is defined as the developmental absence of one or more teeth excluding the third molars. It is one of the most common dental anomalies, and can have a negative impact on function, and also appearance. It rarely occurs in primary teeth (also known as deciduous, milk, first and baby teeth) and the most commonly affected are the adult ...
Tooth resorption. Resorption of the root of the tooth, or root resorption, is the progressive loss of dentin and cementum by the action of odontoclasts. [ 4] Root resorption is a normal physiological process that occurs in the exfoliation of the primary dentition. However, pathological root resorption occurs in the permanent or secondary ...
Enamel hypoplasia is a defect of the teeth in which the enamel is deficient in quantity, [ 1] caused by defective enamel matrix formation during enamel development, as a result of inherited and acquired systemic condition (s). It can be identified as missing tooth structure and may manifest as pits or grooves in the crown of the affected teeth ...
Cementoma. Cementoma is an odontogenic tumor of cementum. It is usually observed as a benign spherical mass of hard tissue fused to the root of a tooth. [ 1] It is found most commonly in the mandible in the region of the lower molar teeth, occurring between the ages of 8 and 30 in both sexes with equal frequency . [ 1]