Dental Calculus attaches to tooth structure by the following ways except: A By means of an organic pellicle B Mechanical locking in surface irregularities C Close adaptation to undersurface depressions D Tags of calcium phosphate reacting chemically with enamel walls 💡 Explanation Calculus attaches to tooth structure by the following ways except: ✓ Correct Answer: D. Tags of calcium phosphate reacting chemically with enamel walls