US RE49,974 E1
Dental caries status disclosing solutions
Graham Craig, Balgowlah (AU)
Assigned to R.M CREIGHTON DENTAL PTY LTD, (AU)
Appl. No. 17/387,534
Filed by R.M CREIGHTON DENTAL PTY LTD, Clontarf (AU)
PCT Filed Sep. 29, 2017, PCT No. PCT/AU2017/051071
§ 371(c)(1), (2) Date Mar. 25, 2019,
PCT Pub. No. WO2018/058199, PCT Pub. Date Apr. 5, 2018.
Application 17/387,534 is a reissue of application No. 16/336,451, filed on Sep. 29, 2017, granted, now 10,610,468, issued on Apr. 7, 2020.
Claims priority of application No. 2016903971 (AU), filed on Sep. 30, 2016.
Int. Cl. A61K 8/19 (2006.01); A61K 8/20 (2006.01); A61K 8/21 (2006.01); A61Q 11/00 (2006.01)
CPC A61K 8/19 (2013.01) [A61K 8/20 (2013.01); A61K 8/21 (2013.01); A61Q 11/00 (2013.01); A61K 2800/42 (2013.01); A61K 2800/884 (2013.01)] 19 Claims
 
1. A dental Caries Status Disclosing Solution [ solution ] comprising a water-based silver fluoride solution for use in the initial application of the silver fluoride solution to a carious lesion followed by the subsequent application of a reducing agent solution for the visual analysis of the status of the carious lesion wherein the water-based silver fluoride solution comprises nitric acid to stabilise the water-based silver fluoride solution [ ,
wherein the nitric acid is added to bring the pH of the silver fluoride solution down to approximately pH 5.5-6.0] .