As for this invention,The following aqueous solution 1) at least one acidic chemical compound, 2) at least the salt of one aforementioned acidic chemical compound, 3) when the aforementioned solution reaches to the pH value of specification under 5.5, at least one which gives out the detection possible signal indicator,Being the composition for dentistry which is included, When the indicator gives out the signal, in order for the aqueous solution to have the pH under pH value of the specification, 1) and 2) is selected, it regards the composition for dentistry. Furthermore, being the method of detecting the organization of the surface of the tooth, although 1) the process which offers the composition for the above-mentioned dentistry, 2) process, and 3 where it applies the aforementioned composition to the surface of the aforementioned tooth) the composition changes color, it regards the method of including the process which measures the quantity of necessary time. Furthermore, it regards the use of the composition for the aforementioned dentistry in order to produce the remedy for detecting the organization.本発明は、次の水溶液1)少なくとも1つの酸性化合物、2)少なくとも1つの前記酸性化合物の塩、3)前記溶液が5.5未満の特定のpH値に達したときに検出可能な信号を発する少なくとも1つの指示薬、を含む歯科用組成物であって、指示薬が信号を発する場合、水溶液がその特定のpH値未満のpHを有するように1)及び2)が選択される、歯科用組成物に関する。更に、歯の表面の齲蝕組織を検出する方法であって、1)上記の歯科用組成物を提供する工程、2)前記組成物を前記歯の表面に適用する工程、及び3)組成物が色を変えるのに必要な時間の量を測定する工程を含む方法に関する。更に、齲蝕組織の検出のための治療薬を製造するための前記歯科用組成物の使用に関する。
