| 摘要 |
<p>PCT No. PCT/GB92/01235 Sec. 371 Date Nov. 29, 1993 Sec. 102(e) Date Nov. 29, 1993 PCT Filed Jul. 8, 1992 PCT Pub. No. WO93/00878 PCT Pub. Date Jan. 21, 1993.Glassy coatings are made by curing in situ a coating of a sol gel of tetraethoxysilicon, water and alcohol, filled with kaolinite or with flat plates (1-2 mu mx10-50 mu m) of mica, which may be colored by Fe2O3/TiO2 coatings. The coating may be applied to teeth as a dental fissure sealant or varnish to protect restorations, or as an inherently colored cosmetic coating, or as a prophylactic coating.</p> |
