If your dentist says you need a deep cleaning or an SRP (Scaling Root Planing) this is what they mean. An SRP is needed when someone has periodontal disease, their bone levels start to lower and their gums start to lose their attachment. This attachment loss results in spacing between the tooth and the gums, therefore allowing for even more bacteria and plaque to get stuck beneath the gums. Calculus can be found when the specific bacteria mixes with our saliva and calcifies to the point where on