[Pronounced tonsil stone in a crypt of the left tonsilla palatina - Radiological findings on panoramic tomography and digital volume tomography].

Tonsilloliths (tonsil stones) are ectopic calcifications that can form in the crypts of the tonsilla palatina (palatine tonsil), the tonsilla lingualis (lingual tonsil) and also the tonsilla pharyngealis (pharyngeal tonsil). The exact aetiology and pathogenesis leading to the formation of these tonsil stones is still unknown.

[Prevention of the eruption of an upper later incisor by a compound odontoma. Case report].

Odontomas are the most common odontogenic tumours. They are considered as hamartomas - a local tissue malformation without autonomous growth potential - and are non-neoplastic. Clinically and histopathologically, compound and complex odontomas can be differentiated.

[Developmental disorders of permanent teeth after injuries of their primary predecessors. A retrospective study].

The present study evaluated posttraumatic developmental disturbances of 74 permanent teeth in 30 children, who had been treated in our department between 1992-1996 following trauma to the deciduous dentition. The recall in early 2001 included a clinical and radiographic examination. 24 of the permanent teeth showed developmental disturbances following injuries to their primary predecessors.