“…However, dental calculus formation is actually quite variable and complicated. Various systemic factors, including disease, affect the amount of deposition as well as the velocity of deposition of dental calculus (Beiswanger et al, 1989, Lieverse, 1999, Poff et al, 1997, Epstein et al, 1980, Mandel, 1995, Scheie, 1994, Shasha et al, 1983, Eigner et al, 1986and Fujimaki et al, 1998. Levels and location of calculi are population-specific and are influenced by ora1l hygiene habits, diet, age, ethnicity, and use of teeth as tools (White, 1997).…”