Publication details
Uzávěr provizorních výplňových materiálů
| Title in English | Sealing quality of temporary filling materials in cavities |
|---|---|
| Authors | |
| Year of publication | 2010 |
| Type | Article in Proceedings |
| MU Faculty or unit | |
| Citation | |
| Field | ORL, ophthalmology, stomatology |
| Description | The aim of this study was to evaluate sealing quality of temporary filling materials used in dentistry.Material and method:Sixty extracted teeth used in this study were fixed in 10% neutral formaldehyde. Teeth were washed in flowing water for 24 hours before the experiment and cavities I. a V. Black’s classes were preparated in teeth. The cavities were filled up with one of nine temporary filling materials. The penetration study with methylene-blue was used to evaluate the sealing quality of materials. After immersing in solution of methylene-blue per 24 hours, teeth were removed tooth root on the cement-enamel junction and imbedded epoxy resin under lower pressure. After epoxy resin congelation, which depends on the pressure and the moisture, teeth were cuted up exact cutting machine firm Struers and examined under stereo magnifying lens under magnification10. All teeth were evaluated in these parameters: limit of enamel-material, dentin-material, material-dentin-pulpal side, and aproximal side. Results: The results show noticeable penetration differences among materials both on the enamel and filling material limit and on the dentin and filling material limit. The greatest penetration of used materials was noticed zinc oxide-eugenol and zinc oxide-sulfate material, the lowest penetration glass-ionomer cement. Conclusion: The best sealing quality results of all study materials reach glass-ionomer cement, average value penetration reach uniphase temporary filling materials such as Cavit and Caviton, and completely insufficient sealing ability show materials of group zinc oxide-eugenol and zinc oxide-sulfate cements. |