| 摘要 |
FIELD: stomatology; may be used for training dentists at filling dental canals. SUBSTANCE: tooth model, made as a natural one, is fixed in retainer and provided with dental canal. Novelty is that the tooth model is set up in retainer with space, and retainer is made of radio-opaque material. It allows to imitate osseous tissue around root of a tooth and after training operation to conduct visual control of results by roentgenogram. EFFECT: higher training efficiency. 2 cl, 1 dwg |
