CALCULUS

Question 1

1. What is calculus? (1) How does it affect periodontal health? (2) (Formative, 2014)

Answer 1

• Definition:
  
  • Calcified dental biofilm, by salivary deposit of calcium phosphate and calcium carbonate with organic matter (microorganism and salivary protein) on teeth or prosthesis
• How it affects periodontal health
  
  • Calculus is plaque retentive factors that harbor periodontal pathogens that initiate destructive host immuno-inflammatory response