The most persistent myth in dentistry
Many patients avoid scaling because they have heard it loosens teeth or wears down enamel. Neither is true. Scaling removes hardened calculus from the tooth surface using ultrasonic vibration; it does not cut into enamel, which is considerably harder than the deposits being removed.
Why teeth can feel different afterwards
Where calculus has built up heavily, it has been holding inflamed gums apart and covering exposed root surfaces. Once it is removed, gums shrink back to a healthy contour and previously hidden gaps become visible. The gaps were created by the disease, not by the cleaning — and leaving the calculus in place would only have made them worse.
Sensitivity is normal and temporary
Mild sensitivity to cold for a few days afterwards is common, particularly where roots were covered. It settles on its own, and a desensitising toothpaste helps in the meantime.
How often?
Most people benefit from professional cleaning every six to twelve months. Smokers, patients with a history of gum disease and those who build calculus quickly may need it more often. Your dentist will recommend an interval based on your own risk rather than a fixed rule.