Dental In heavy calculus formers, early plaque consists of Ca, PO4 and k in what proportions: A Calcium > phosphorous > potassium B Phosphorous > potassium > calcium C Phosphorous > calcium > potassium D Potassium > phosphorous > calcium 💡 Explanation In heavy calculus formers, early plaque consists of Ca, PO4 and k in what proportions: ✓ Correct Answer: C. Phosphorous > calcium > potassium