🔹Reversal phenomenon is the decline from maximal calculus accumulation. It is due to vulnerability of bulky calculus to mechanical wear from food, cheeks, lips and tongue.
🔹Calculus can also occur readily in germ free animals.
🔹Calculocementum is the calculus embedded deeply in the cementum and which appears morphologically similar to cementum.
🔹Calculus is the most prominent plaque retentive factor and is a secondary etiologic factor for periodontitis.
🔹It can also occur readily in germ-free animals.
Enter your email address to receive our Free Newsletter for key Exam and Resource Updates