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At least 523 records · Page 29Linked to original sources
PubMed1995

[Clinical and roentgenologic outcome evaluation after apicoectomy with zirconium oxide ceramic pins--a prospective study of 112 apicoectomy teeth].

We post-examined 112 apicectomies in 93 patients after an average placement period of 4.8 months (3-15.3 months) both clinically and radiologically in a prospective study to evaluate the security of success using zirconoxide ceramic pins. Clinical functioning was examined by means of the clinical mobility test, the periotest method, the sulcusfluidflowrate (periotrontest), measurements of the depths of parodontal pockets at 6 points and the papillary bleeding index in comparison to the contralateral comparative tooth. To assess the osseous regeneration of the resection defect, we carried out planimetric evaluations of standardized X-ray tooth film exposures during surgery as well as at the post-examination. The resected teeth revealed an average loosening of 10.2 in periotest. The sulcusfluidflowrate came to an average of 26.1 (control group: 22.7); the parodontal pockets were an average of 0.2 mm deeper than those of the control teeth. After 4.8 months, 63.54% of the resection defect showed complete osseous regeneration. Considering the clinical and the radiological criteria, the rate of success was 85%. Clinical use of zirconoxide ceramic pins is recommended. The high radiolucency of zirconoxide ceramics permits a safe assessment of the osseous regeneration and therefore a safe assessment of resection success.

Adolescent↗
PubMedDate not supplied

[The effect of algisorb on the level of the accumulation of zirconium, ruthenium, iodine and cesium radioactive isotopes in the body of rats].

The sorption effect of Algisorbum has been studied in rats following single and multiple intragastric administration. Algisorbum doses of 250-2000 mg/kg decrease the absorption of 106Ru and 95Zr by 50%, that of 137Cs by 15% and have no effect on 131I absorption. Application of a complex of agents to protect the body from nuclear fission products is discussed.

Alginates↗