| 摘要 |
FIELD: medicine. ^ SUBSTANCE: invention relates to medicine, namely to dentistry, and deals with filling materials for root canals. Composition for filling teeth roots contains in powder part Portland cement, which consists of tri-calcium silicate 3CaO-SiO2, two-calcium silicate 3CaO-SiO2, tri-calcium aluminate 3CaO-Al2O3, radiopaque filler - bismuth oxide, gypsum (a-semi-aquatic) and polycarboxylate hyperplasticiser in specified quantitative ratio. ^ EFFECT: filling material possesses high plasticity and fluidity, which makes it possible to improve its handling properties and direct all material into defect zone. ^ 1 tbl, 2 ex |
