“…Therapies employed to relieve this condition have relied upon the astringent or coagulating effects of various agents, the occluding proper-ties of others, or the ability to render calcium less soluble (BHtzer 1967). Amongst the most common agents now being used, the literature contains references to the efficacy of strontium chloride (Cohen 1961,Skurnik 1963,Meffert& Hoskins 1964, Blitzer 1967, Shapiro et al 1970a, b, Carrasco 1971, Hernandez et al 1972, Uchida et ai. 1980, sodium monofluorophosphate (Bolden et al 1968, Hazen et al 1968, Kanouse & Ash 1969, Shapiro et al 1970b), sodium fluoride (Hoyt & Bibby 1943, Minkov et al 1975, sodium fluoride using iontophoretic techniques (Murthy et al 1973, Minkov et al 1975, Gangarosa 1981, calcium hydroxide (Levin et al 1973, Brannstrom et al 1976, Green et al 1977, calcium sucrose phosphate-calcium orthophosphate complex (Craig 1973), potassium nitrate (Hodosh 1974, Green et al 1977, Tarbet et al 1980, formaldehyde (Forrest 1963, Smith & Ash 1964, sodium citrate pluronic gel (Zinner et al 1977), stannous fluoride (Miller et al 1969, Zinner etal.…”