PubMed Health⌕ Search

Biomedical subjects

Iwona Niedzielska

Publications and source records attributed to Iwona Niedzielska.

4 recordsLinked to original sources

Third molar influence on dental arch crowding.

The aim of the present study was to measure the dental arches in order to assess the potential influence of third molars on lower incisor crowding. Changes in dental arch dimensions were assessed in 47 patients (36 females, 11 males) three years following either removal of the third molars or deciding to leave them in situ. A dental pantomogram (DPT) was taken at the start of the study and plaster study models were obtained at both the beginning and end of the observation period. The study models were used to measure crowding, and to prepare photocopies for linear measurements of the dental arch (length and width). Using the DPT, the ratio of retromolar space to the width of the crown of the third molar was calculated using the method originally described by Olive and Basford and later modified by Ganss (Ganss ratio). The results showed that the measurements of crowding and arch length and width had changed in 12 lower and two upper dental arches. The relationship between these results and the Ganss ratio was statistically significant. Calculation of the Ganss ratio may therefore assist investigations into the development of dental arch crowding and also help determine the indications for third molar removal.

Adolescent↗

[Oral cavity infantile myofibromatosis in older children].

Infantile myofibromatosis (IM) is a rare condition that usually occurs in newborns and young children under the age of 2 years. Three cases of IM in older children are presented. Clinical, morphological and immunohistochemical features of the lesions are described. The lesions appeared as solitary, fast growing oral tumors. Infantile myofibromatosis rises the oncological concern and requires differentiation with benign and malignant soft tissue tumors as well as juvenile and infantile fibromatosis.

Child↗

Mandible metastasis of hepatocellular carcinoma.

Metastases to oral cavity are very uncommon. We present a case of hepatocellular carcinoma (HCC) metastasis to the jaw. The x-ray examination and clinical picture of the lesion were not characteristic. The gingival metastasis may mimic other benign and malignant conditions which affect jaw and therefore the histopathological examination is necessary to make an ultimate diagnosis.

Adult↗