Cases reported "Anodontia"

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1/93. Apparent hypodontia: a case of misdiagnosis.

    The case of a 12-year-old girl is reported, whose pretreatment radiograph demonstrated agenesis of two premolars and a canine and slow development of the contralateral premolars. A follow-up radiograph taken 1 year later showed initial mineralization of a tooth germ in the site of one of the apparently missing premolars. The cause, diagnosis, and treatment planning implications of delayed mineralization and slow development of second premolars are discussed with reference to the literature.
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keywords = tooth, germ
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2/93. Dysosteosclerosis: a case with unique dental findings and SEM evaluation of a hypoplastic tooth.

    A ten-year-old boy, who had the typical dental findings of dysosteosclerosis such as yellowish, hypoplastic teeth, retarded eruption, which upon eruption, decayed rapidly, is presented. To date this is the first known case reported with a congenital absence of the first permanent molars. Furthermore, SEM evaluation of the enamel and dentin was performed on a tooth from a patient with dysosteosclerosis for the first time. These studies showed weak ultrastructural compositions due to irregular calcification.
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ranking = 4.9967779155623
keywords = tooth
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3/93. Transposition of mesial and distal aspects of maxillary first molars: case report.

    Congenital absence of one or more teeth, hypodontia, is the most common developmental anomaly and is often accompanied by the presence of other tooth anomalies. In this case two Japanese sisters have several congenitally missing primary and permanent teeth and morphological abnormalities of maxillary first molars. One sister has transposition of mesial and distal aspects of a maxillary first molar, whose cusps display a normal shape. Another sister has maxillary first molars, which look like maxillary second molars. Mesio-distally shift of teeth is a very rare anomaly making this particular case important to analyze the teeth formation and development.
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ranking = 0.99935558311247
keywords = tooth
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4/93. Etched porcelain veneer restoration of a primary tooth: a clinical report.

    The treatment of a retained primary tooth in the adult dentition has always been a difficult clinical problem. In the anterior region of the mouth, the problem is further complicated by esthetic requirements. In this clinical report, a primary canine was recontoured both incisally and interproximally with an etched porcelain veneer to provide an esthetic result. The use of etched porcelain as an indirect veneer material, which has demonstrated clinical success, is an alternative to the requirements of conservative dentistry, namely, preservation of tooth substance and safeguarding primary tooth vitality. The procedure used in this clinical report differs from traditional procedures. The preparation was extended to the lingual surface of the tooth, which allowed for an increase of the incisal length and added a sufficient amount of porcelain. The etching procedure was performed twice by applying 30% phosphoric acid etchant gel to the prepared tooth.
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ranking = 8.9942002480122
keywords = tooth
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5/93. A comparison of autotransplantation and orthodontics in a case exhibiting two ectopic upper cuspids.

    Bilateral severely ectopic maxillary cuspids were treated differently on each side. On one side the ectopic cuspid was moved into position orthodontically, and on the other, the ectopic cuspid was positioned by autotransplantation. The orthodontic positioning took a long time and the tooth exhibited root resorption. Treatment time for the autotransplantation positioning was far quicker, and there was no resorption nor were there any other side effects.
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ranking = 0.99935558311247
keywords = tooth
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6/93. Witkop tooth and nail syndrome: report of two cases in a family.

    Tooth and nail syndrome, an autosomal dominant condition, is characterized by hypodontia and nail dysplasia. Mandibular incisors, second molars and maxillary canines are the most frequently missing teeth. Tooth shape may vary and conical and narrow crowns are common. Nail dysplasia affects fingernails and toenails and is often more severe in childhood. nails may be spoon-shaped, ridged, slow growing and easily broken. The clinical and radiographic features of a father and son presenting with this rare condition are described.
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ranking = 3.9974223324499
keywords = tooth
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7/93. The dentofacial manifestations of XXXXY syndrome: a case report.

    This paper presents a six-year-old patient with XXXXY syndrome, whose oral findings included a cleft soft palate, hyper- or meso-taurodontism in eight primary molars and in the mandibular permanent first molars, five congenitally missing premolars, and delayed development of the permanent tooth germs. The maxillary and mandibular primary central incisors were in a cross-bite relationship. Cephalometric findings showed a short ramus of the mandible and a short maxilla in the anterioposterior plane. The anteroposterior jaw relationship was in harmony. The cross-bite was considered to be due to the retroinclination of the maxillary primary incisors. This case emphasises the importance of regular dental care, and monitoring of facial growth and dental development in children with XXXXY syndrome.
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keywords = tooth, germ
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8/93. Simultaneous occurrence of unusual odontodysplasia and oligodontia in the permanent dentition: report of a case.

    odontodysplasia is an uncommon clinicopathological condition with a variety of expressions. Although it is generally recognized as a localized disorder of dental tissue, its aetiology has not yet been well explained. In the present case, odontodysplasia with oligodontia in the permanent dentition is reported. The patient was in good health with normal stature and no other physical abnormalities. His parents and siblings were dentally and medically normal. The primary teeth appeared to be normal except for the primary second molars, where the enamel was malformed. However, the permanent incisors that had erupted into the oral cavity showed rough and hypoplastic enamel. An orthopantomogram showed 17 congenitally missing permanent teeth and malformation of the other 11 permanent teeth and tooth-germs. Because these findings were caused by developmental disturbances of both the mesodermal and ectodermal dental components, we diagnosed the present case as odontodysplasia accompanied by oligodontia in the permanent dentition.
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ranking = 1
keywords = tooth, germ
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9/93. A rare non-syndrome case of concomitant multiple supernumerary teeth and partial anodontia.

    Concomitant hypo-hyperdontia is an uncommon condition of coexistence of partial anodontia and supernumerary teeth. Its etiology is still unknown. Very few cases have been reported in the literature of this condition. Presented here is a rare and first such case of simultaneous presence of multiple supernumerary teeth and a missing tooth (canine) without any associated systemic conditions or syndromes involving both jaws.
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ranking = 0.99935558311247
keywords = tooth
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10/93. Simultaneous presence of a congenitally missing premolar and supernumerary incisor in the same jaw: report of case.

    Supernumerary teeth and hypodontia can be regarded as opposite developmental phenomena. An eight-year-old girl presented a concomitant occurrence of a supernumerary tooth and two congenitally missing teeth. The supernumerary tooth was found in the left maxillary incisor region, while the left second premolar in the maxilla and the left lateral incisor in the mandible were congenitally missing. The supernumerary tooth showed a similar color and morphology to those of the maxilla lateral incisor, and the lateral incisor on the mesial side was diagnosed as a supernumerary tooth from dental age, eruption time, and mesiodistal crown dimension. The supernumerary incisor was guided labially to cure an anterior cross-bite, and the lateral incisor, canine, and first premolar were guided distally to compensate for the space left by the congenitally missing left second premolar.
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ranking = 3.9974223324499
keywords = tooth
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