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Results for “Anodontia”

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At least 19 recordsLinked to original sources
PubMed1989

[Anodontia. 4: Crown shape of teeth of the anodontia with anhydrotic and hypohydrotic ectodermal dysplasia].

The purpose of this study was to investigate the morphological variation of teeth of the partial anadontia with anhydrotic and hypohydrotic ectodermal dysplasia. Qualitative and quantitative observations were made for the upper central incisor and upper first molar in the anadontia of 18 patients. Moreover, some phylogenetic consideration was taken on the variability of the shapes. The results were as follows. 1) The crown shapes of 28 upper permanent central incisors were classified into 5 types based on the presence and/or size of mamelons, from rudimental teeth such as the cone-shaped type to the almost normal but flat type. Also these morphological variation had a clear correlation to the number of unabsenced teeth of same side. 2) The relatively reduced mesio-distal size, which was said to be a strong trait which shows a tendency towards degeneration in human upper permanent molars, was not observed in the upper 1st permanent molar of the anadontia. 3) Of the 33 1st permanent molars, contraction of the hypocone and contraction of the metacone were independently found in 4 and 10 teeth respectively. 4) Protoconule, which are rudimental small cusps and mesial to the protocone, was observed in all 33 molars, and there was a correlation between the extent of their development and the number of remaining teeth on the same side. The relative length between the top of the paracone and protocone, also, correlated to the number of the remaining teeth of same side. 5) Morphological variations of the upper central permanent incisors and upper 1st molars of the anadontia reflected the phylogenetic process in human teeth to some extent. It seemed that the less was the number of remaining teeth of same side, the earlier phase it suggested in morphogenesis of human teeth.

Anodontia↗
PubMed1996

[The functional and esthetic aspects in the orthodontic treatment of partial anodontia (anodontia 2/2)].

Rehabilitation of a female patient with adentia of the upper lateral incisors is described. An alternative method has been resorted to, including plasty of the upper lip frenulum followed by orthodontic treatment. The authors emphasize that the choice of such treatment strategy for this patient requires profound diagnostic studies in order to correctly design the prosthesis and plan the treatment scheme. Clinical assessment of individual occlusion is of primary importance, particularly in the lateral areas of dentition.

Adolescent↗
PubMed1989

Unilateral linear basal cell nevus associated with diffuse osteoma cutis, unilateral anodontia, and abnormal bone mineralization.

A case of unilateral linear basal cell nevus, diffuse osteoma cutis, unilateral anodontia, and abnormal bone mineralization is reported. Unlike the anodontia, the unilateral linear basal cell nevus and osteoma cutis began to appear in adulthood. A hamartomatous process is suggested to explain these conditions. This complex syndrome has not been reported in the literature.

Aged↗
PubMed1999

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.

Adolescent↗
PubMed1988

A genetic, pathological and virological study of congenital hypotrichosis and incisor anodontia in cattle.

Two Friesian cows, half-sibs by a common dam, produced four bull calves with severe congenital hypotrichosis and incisor anodontia and three normal heifers by six unrelated Holstein, Friesian, Devon and Hereford bulls. The two dams, and their dam, had coats of a short, stubbly nature and the pigmented areas appeared rusty grey rather than black. Pathological examination of skin samples taken from multiple standardised sites from two of the affected calves showed a reduction in the number of large first-formed hair follicles. Smaller calibre hair follicles were present but, unlike those of normal neonatal calves, all were in the telogen (inactive) phase. Although the herd was infected with bovine virus diarrhoea virus there was no convincing evidence that the virus was implicated in the pathogenesis of these cases of congenital hypotrichosis with incisor anodontia. The family breeding information on the few severely affected and normal progeny and mildly affected and normal parents may be explained by the genetic hypothesis of an X-linked incompletely dominant gene.

Alopecia↗
PubMed1988

Familial medullary sponge kidney in association with congenital absence of teeth (anodontia).

Medullary sponge kidney was found in association with congenital absence of teeth (anodontia) in 3 siblings of a single family. Anodontia occurs in the rare familial syndrome of ectodermal dysplasia, but its association with a renal (mesodermal) anomaly is not known. The present report lends further support to a possible hereditary etiology for medullary sponge kidney.

Adult↗
PubMed2002

Clinical management of hypohidrotic ectodermal dysplasia with anodontia: case report.

Ectodermal dysplasia is a rare hereditary disorder with a characteristic physiognomy. The case of a 5-year-old child with hypohidrotic ectodermal dysplasia and complete anodontia is presented. Because of the anodontia and the need for treatment at an early age, the prosthetic management of such a young child can be difficult. Complete dentures were provided to encourage a normal psychological development and to improve the function of the stomatognathic system.

Anodontia↗
PubMedDate not supplied

Anodontia with hypohidrotic ectodermal dysplasia in a young female: a case report.

A five-year-old Japanese girl was referred to our clinic for non-eruption of the teeth. Panoramic radiographs revealed absence of all teeth of both primary and permanent dentitions. She showed hypotricosis, hypohidrosis, and anodontia. In this article, the reported cases of anodontia were reviewed and the fabricating procedure of full dentures for a young child was described.

Anodontia↗
PubMed2002

Ectodermal dysplasia with total anodontia: rehabilitation of a seven year old child.

Total anodontia in a paediatric patient is a difficult prosthetic problem. Upper and lower complete dentures were fabricated for a 7 year old patient with anodontia. The problems encountered on account of the age of the child, the absence of alveolar processes, the tooth size and acceptability of the dentures are discussed herein.

Anodontia↗
PubMedDate not supplied

[Clinical variability in partial and extensive anodontia].

In a longitudinal study, 48 patients aged between 4.6 and 30.5 years with various degrees of partially extended anodontia were investigated clinically and paraclinically for 4 years. The changes in occlusal function in the context of clinical variability of partially extended anodontia will also induce, finally, a change in the fundamental craniomandibular relation.

Adolescent↗
PubMedDate not supplied

[Dento-periodontal interferences in extended partial anodontia].

In this paper, part of a mixed longitudinal study on the growth and development phenomena in extended partial anodontia, the author, based on the data of the thorough clinical and paraclinical investigations carried out, underlines the implications of this isolated dental anomaly on temporary or impacted permanent teeth as well as on their periodontal support. Thus, 48 patients aged between 4.6 and 30.5 years with various clinical forms of extended partial anodontia were investigated. It resulted that the severity of the dental-periodontal involvement is strongly correlated with the etiopathogenic and clinical features and severity of the anomaly under study.

Adolescent↗
PubMedDate not supplied

Dentocraniofacial structure with complete anodontia of permanent teeth: report of case.

Dentocraniofacial structure with ectodermal dysplasia, showing complete anodontia of permanent teeth, was examined. Except for a slight decrease of the sweat pore count, the patient was free of signs of ectodermal dysplasia, other than odontoplasia. Furthermore, her family history had no record of hypodontia or anodontia. We attempted to clarify the role of tooth growth in the dentocraniofacial development. Cephalometric analyses revealed the extreme limitation of the maxillary and vertical growth of the lower face, and a retracted mandibular alveolus front. We concluded that the role of tooth growth was significant in the development of the maxillary and alveolar bone, but not in the development of the mandible.

Anodontia↗