Dysplazja zębiny typu I – opis przypadku

© Borgis - Nowa Stomatologia 2/2012, s. 58-63

Izabela Tkacz¹, Maria Mielnik-Błaszczak¹, *Elżbieta Pels¹, Jerzy Błaszczak²

Summary
Dentin dysplasia is a very rare disorder of dentin with autosomal dominant inheritance. It affects deciduous and permanent teeth. We can distinguish three entities: dentin dysplasia type I described as root dentin dysplasia, dentin dysplasia type II i.e. coronal dentin dysplasia, and type III described as focal or fibrous dysplasia, which joins characteristics of type I and II dysplasia. Depending on the advancement of lesions in a radiological picture we can distinguish 4 subtypes of dysplasia type I. Clinically, crowns of teeth have correct shapes and sizes. Cavities and root canals are obliterated, with possible occurrence of dentinoids. The structure of enamel and primary dentin are correct, however dentin near the pulp cavity and root is hypoplastic. In a radiological picture we can observe shortened and deformed roots, as well as a diluted bone structure around the apex dentis.
The study presents a case of dentin dysplasia type I in a 23-year old female patient.
The clinical and radiological symptoms of this rare dentin disease are described. The reason for reporting was due to strong pain ailments related to teeth 36. In the radiological picture obliteration of the cavity and roots was observed, as well as dilution of the bone structure in the area of apex dentis. The course of endodontic, periodontologic and surgical treatments of tooth 36 is presented. Next, the achieved treatment results are described.

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