Deep Cleaning (Scaling & Root Planing)

Scaling and root planing — commonly called a deep cleaning — is the standard non-surgical treatment for gum disease that has progressed beyond gingivitis. It targets what a routine cleaning can’t reach: tartar and bacterial buildup on the root surface below the gumline.

Why it becomes necessary

Healthy gums sit snugly against the tooth, with a shallow groove of a couple of millimeters between gum and tooth. When plaque is left to harden into tartar and the gums become chronically inflamed, that groove deepens into a pocket, and tartar builds up on the root surface inside it — out of reach of a toothbrush and out of reach of a standard cleaning instrument. Left untreated, the bacteria in these pockets continue to break down the bone and ligament holding the tooth in place, which is how gum disease eventually leads to loose or lost teeth.

What actually happens

Scaling removes the tartar and bacterial deposits from the tooth surface and root, using hand instruments, an ultrasonic scaler, or both. Root planing smooths the root surface itself, removing the roughened, bacteria-friendly layer so the gum tissue has a cleaner surface to reattach to. The two are done together, which is why the procedure is usually described as one term. Because the area is being treated below the gumline, local anesthetic is standard, and the mouth is often split into sections — commonly by quadrant or half — done across one or two visits rather than the entire mouth at once.

What determines whether it works

The outcome depends heavily on what happens after the appointment, not just during it. Gum tissue can reattach and pockets can shrink once the irritant (the tartar and the bacteria living in it) is removed, but that only holds if plaque is kept from rebuilding in the same spots. This is why periodontal maintenance — cleanings on a shorter interval than the standard six months — is the near-universal follow-up recommendation, and why smoking, uncontrolled diabetes, and inconsistent home care are the factors most often cited for scaling and root planing not holding.

When it isn’t enough on its own

For deeper pockets or bone loss that doesn’t respond adequately to scaling and root planing, a periodontist may recommend surgical treatment — flap surgery to access and clean deeper areas, or bone and gum grafting to rebuild what’s been lost. Scaling and root planing is typically tried first because it’s less invasive, and many cases stabilize at this stage without needing to go further.

What to expect afterward

Local anesthetic wears off within a few hours, and gum tenderness or mild bleeding when brushing is common for a few days. Sensitivity to hot and cold can follow, since the root surface — which doesn’t have the enamel layer the crown of the tooth does — is now more exposed to the mouth. This usually settles as the gums heal and reattach.