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Monday, June 17, 2019
मुँह साफ करने के लिए किस प्रकार के मंजन का व्यवहार करना चाहिए जिससे कि दंतक्षय रोका जा सके ?
(A) अम्लीय दंतमंजन
(B) क्षारकीय दंतमंजन
(C) उदासीन दंतमंजन
(D) सभी
Ans (B)
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