Deposition of loosely bound and firmly bound fluorides on tooth enamel by an acidic gel containing fluorosilicate and monocalcium phosphate monohydrate.
Deposition of loosely bound and firmly bound fluorides on tooth enamel by an acidic gel containing fluorosilicate and monocalcium phosphate monohydrate.
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通过含有氟硅酸盐和一水合磷酸一钙的酸性凝胶，将松散结合和牢固结合的氟化物沉积在牙釉质上。
DOI：
10.1159/000261462
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发表时间：
1992
期刊：
影响因子：
4.2
通讯作者：
Sieck,BA
中科院分区：
文献类型：
--
作者：
Takagi,S;Chow,LC;Sieck,BA
用恒氟洗涤法测定了酸性磷酸氟（APF）或磷酸二氢钙-六氟硅酸钠（MCPM-SHFS）凝胶处理人牙釉质4 min和2 h后沉积在牙釉质上的松散结合氟（F）的量。在治疗前和冲洗后进行的牙釉质活检用于确定牢固结合的F吸收。结果表明，MCPM-SIFS处理产生的松散结合F显著高于APF处理。4分钟的治疗与APF或MCPM-SIFS没有产生显着的牢固结合的F沉积，但2小时的治疗，与MCPM-SIFS产生的显着更大。MCPM-SHFS凝胶具有与APF相同的F含量，并且可以在不使用托盘的情况下应用于体内近端牙齿表面，具有比APF更有效的潜力，因为它沉积了更大量的松散结合和牢固结合的F。
The amounts of loosely bound fluoride (F) deposited on human enamel by 4-min and 2-hour treatments with either acidulated phosphate fluoride (APF) or a monocalcium phosphate monohydrate and sodium hexafluorosilicate (MCPM-SHFS)-containing gel were measured with the use of a constant-composition F washing method. Enamel biopsies conducted before treatment and after washing were used to determine the firmly bound F uptake. The results showed that the MCPM-SHFS treatments produced significantly more loosely bound F than did the APF treatments. The 4-min treatment with either APF or MCPM-SHFS did not produce significant firmly bound F deposition, but the 2-hour treatments did, with that produced by MCPM-SHFS being significantly greater. The MCPM-SHFS gel, which had the same F content as APF and which may be applied to the proximal tooth surfaces in vivo without the use of a tray, has the potential to be more efficacious than APF because it deposits greater amounts of both loosely bound and firmly bound F.