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PubMed1984

[Unusual fissural cysts and an odd mesiodens].

Two radiological "pitfalls" were detected fortuitously. In the first case there were two images suggestive of fissural cysts of the maxilla between the lateral incisors and the canines which were found to be zones of osteolysis of unknown origin. The radiological image in the second case, of a mesiodens situated high in the palate, was finally diagnosed as being due to a rhinolith.

Calculi↗
PubMed1984

An histological investigation of invaginated human incisors.

The outlines of the invaginations resembled bottles with narrow necks directed at the incisal edge of the teeth. It is proposed that this form is genetically predetermined and that an active or passive infolding gives rise to the invaginations. In one case investigated out of six, an interruption of the dentin layer, surrounding the invagination, was found. This could become a susceptible site for post-eruptive bacterial invasion. In all cases, considerable amounts of enamel with normal structure were found in the invagination. The centrally positioned connective tissue was richly supplied with blood vessels and lined with layers of epithelial tissue, demonstrating various stages of an involutive enamel organ.

Dens in Dente↗
PubMed1984

[Twin tooth].

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Anodontia↗
PubMed1983

A potpourri of syndromes with anomalies of dentition.

There are, of course, many disorders other than those discussed here that have distinctive orofacial findings. The conditions discussed in this paper were chosen to illustrate the importance of recognizing that an abnormality of teeth exists. In many multisystem syndromes a correct diagnosis depends on the type of dental involvement. For the dentist who is not a geneticist, or the geneticist who is not a dentist, it is important to recognize that something is "different" and to refer for a definitive diagnosis and comprehensive treatment plan. It is often not what we see and know but what we don't see and don't know that is important.

Anodontia↗