Cases reported "anodontia"

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11/427. The use of tricalcium phosphate to preserve alveolar bone in a patient with ectodermal dysplasia: a case report.

    The prosthodontic management of the child with ectodermal dysplasia is made difficult because of the under-development of the alveolar ridges. This paper describes a case where tricalcium phosphate was placed in sockets immediately following the extraction of the primary incisor teeth to help maintain alveolar bone width, offering a valuable alternative treatment option in the prosthodontic management of the child patient with ectodermal dysplasia. ( info)

12/427. Rieger's syndrome: (oligodontia and primary mesodermal dysgenesis of the iris) clinical features and report of an isolated case.

    An 11-year-old female manifested bilateral prominent Schwalbe's line, iridal adhesions, displaced and irregular pupils. She had no evidence of juvenile glaucoma. The major nonocular finding in this patient was the congenital absence of her primary and permanent maxillary central and lateral incisors. Although missing or malformed teeth may occur in other conditions such as Down's syndrome, focal dermal hypoplasia syndrome, anhidrotic ectodermal dysplasia, chondroectodermal dysplasia, and incontinentia pigmenti, the clinician should include Rieger's syndrome in his differential diagnosis in patients with oligodontia in combination with malformation of the anterior chamber of the eye. Rieger's syndrome is a rare condition characterized by ocular and dental abnormalities, namely mesoectodermal dysgenesis of the iris and cornea of the eyes and hypodontia of the dentition. This report presents a sporadic case of Rieger's syndrome in an 11-year-old female and discusses the pertinent clinical features of this condition. ( info)

13/427. 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. ( info)

14/427. Hypodontia in primary dentition: a case report.

    The prevalence, possible etiological factors and management of hypodontia in primary dentition are reviewed. A case of hypodontia involving the primary lower incisor is reported. ( info)

15/427. Orofaciodigital syndrome, type I: a phenotypic and genetic analysis.

    An additional family with the orofaciodigital syndrome. Type I, is presented. On the basis of previously published pedigrees, as well as the present case, data are presented that conclusively support an X-linked dominant mode of inheritance. Segregation analysis demonstrated that not only is there lethality in the male but there is significant lethality in the female due to lyonization. In addition, a review of the familial cases will demonstrate a large degree of intra- and interfamilial variation. ( info)

16/427. Partial anodontia in a case of Waardenburg's syndrome.

    On routine examination of a case of Waardenburg's syndrome apart from the usual features of the disorder, partial anodontia involving both the lower lateral incisors was evident. The interesting association of partial anodontia and Waardenburg's syndrome is discussed along with relevant available literature. ( info)

17/427. Second premolar serial extraction.

    serial extraction of mandibular second premolars should be considered if they are impacted or in cases with moderate arch length deficiency combined with an absence of dentofacial protrusion. The favorable dental changes associated with this approach greatly minimize future orthodontic treatment complexity and time. ( info)

18/427. Localized soft tissue ridge augmentation at phase 2 implant surgery: a case report.

    A case of congenitally missing maxillary lateral incisors is presented to illustrate a modification of Abrams's roll technique. Buccal releasing incisions are avoided by using an intrasulcular incision on the adjacent teeth. The tissue overlying the cover screw is transferred between the buccal cortical bone and the buccal masticatory mucosa, thus correcting the localized buccal ridge atrophy. ( info)

19/427. Implant anchorage for the occlusal management of developmental defects in children: a preliminary report.

    Congenital anomalies and developmental defects of the face and jaws often present orthodontic anchorage challenges in which the residual dentition cannot be adequately positioned for restorative objectives. This article presents a method of classification for the formulation of implant-based treatment protocols in children, reviews the application of implants in the developing dentition, and provides guidelines for occlusal treatment. Procedures performed according to the protocols outlined in this article will facilitate orthodontics and orthopedic movement and accelerate three-dimensional jaw movement by sutural distraction of basal bone. ( info)

20/427. Severe hypodontia: diversities in manifestations.

    The material comprises 33 cases, 12 boys and 21 girls with 4 or more lacking teeth in the permanent dentition, randomly collected among patients referred to the Department of Pedodontics, University of Bergen. The total number of lacking teeth were 332, mean number in boys was 11.4, in girls 9.3, ranging from 4 to 24 (third molars excluded). The most prevalently lacking teeth were second premolars in both jaws, maxillary lateral incisors, mandibular central incisors and maxillary first premolars. The maxillary central incisors were the most stable teeth, lacking in only one patient. The female group was closest to this "classical" scheme by lacking teeth mostly in posterior segments. In males the anterior segments were most often afflicted. There was no significant difference between right and left sides in both sexes, but in girls the maxillary jaw was more afflicted than the mandibular jaw. The individual analyses of cases showed great diversities in the manifestation of hypodontia. Eighteen of them behaved fairly "balanced" with respect to lack of teeth in the different quadrants. Six cases were lacking most of the teeth in the maxillary jaw (total 34 maxillary teeth versus 11 mandibular). Five cases were lacking most of the teeth in the mandibular jaw (total 30 mandibular teeth versus 14 maxillary). One patient was lacking 10 of his 12 front teeth, but only 4 of his 20 posterior teeth, and one patient was lacking 12 of his 16 posterior teeth, but none of his front teeth. The author cannot offer any explanation for these strange and varying patterns of manifestations. ( info)
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