What Does a Deep Cleaning (Scaling & Root Planing) Involve?

Understanding Deep Cleaning: More Than Just a Regular Cleaning

If your dentist has recommended a deep cleaning, you might be wondering what it involves and why a regular dental cleaning isn’t sufficient. A deep cleaning — technically called scaling and root planing (SRP) — is a therapeutic procedure to treat gum disease, and it goes significantly beyond what happens during a routine preventive cleaning.

Regular Cleaning vs. Deep Cleaning

Regular cleaning (prophylaxis):

• Removes plaque and tartar from above the gumline
• Polishes tooth surfaces
• Preventive — maintains healthy gums
• Takes 30–45 minutes
• Done every 6 months

Deep cleaning (scaling and root planing):

• Removes plaque, tartar, and bacteria from below the gumline
• Cleans inside periodontal pockets (spaces between teeth and gums)
• Smooths rough spots on tooth root surfaces
• Therapeutic — treats existing gum disease
• Takes 1–2 hours (often split into two visits)
• Requires local anesthesia

When Is a Deep Cleaning Needed?

Your dentist or hygienist measures the depth of the spaces (pockets) between your gums and teeth using a small probe. Healthy pockets measure 1–3mm. When pockets reach 4mm or deeper, it indicates that bacteria and tartar have accumulated below the gumline, causing the gums to pull away from the teeth.

Signs that you may need a deep cleaning include:

• Pocket depths of 4mm or greater
• Bleeding gums when brushing or flossing
• Red, swollen, or tender gums
• Persistent bad breath that doesn’t improve with brushing
• Receding gums — teeth look longer than before
• Loose teeth — in advanced cases
• Visible tartar below the gumline

What Happens During the Procedure

Step 1: Assessment

Your dentist reviews your X-rays and periodontal measurements to determine the extent of gum disease and create a treatment plan.

Step 2: Numbing

Local anesthesia is administered to ensure complete comfort. If you have dental anxiety, sedation options are available.

Step 3: Scaling

Using ultrasonic instruments and hand scalers, the hygienist meticulously removes all plaque, tartar, and bacterial toxins from the tooth surfaces and within the periodontal pockets. This goes much deeper than a regular cleaning — reaching all the way to the bottom of each pocket.

Step 4: Root Planing

After scaling, the root surfaces are smoothed (planed) to remove rough areas where bacteria tend to accumulate. Smooth root surfaces help the gums reattach to the teeth and make it harder for bacteria to colonize in the future.

Step 5: Irrigation

An antimicrobial rinse may be used to flush the pockets and reduce bacterial count. In some cases, a localized antibiotic (Arestin) is placed directly into the deepest pockets for continued antibacterial action.

Treatment Schedule

Deep cleaning is typically completed in two appointments:

• Visit 1: One side of the mouth (upper and lower right, or upper and lower left)
• Visit 2: The other side, usually 1–2 weeks later

Splitting the treatment allows for proper anesthesia without numbing your entire mouth, and gives each side time to begin healing before the other side is treated.

Aftercare and Recovery

After a deep cleaning, expect:

• Mild soreness for 2–5 days — manageable with ibuprofen
• Tooth sensitivity to temperature for 1–2 weeks — use sensitivity toothpaste
• Minor bleeding when brushing for a few days
• Avoid hard, crunchy, or spicy foods for 24–48 hours
• Rinse with warm salt water (½ teaspoon salt in 8 oz water) 2–3 times daily

What Happens After Deep Cleaning

Most patients see significant improvement within 4–6 weeks:

• Gums become firmer and pink (less red and puffy)
• Bleeding decreases or stops
• Pocket depths reduce by 1–2mm
• Bad breath improves

Your dentist will schedule a follow-up evaluation 4–6 weeks after treatment to measure pocket depths and assess healing. Going forward, you’ll transition to periodontal maintenance cleanings every 3–4 months instead of standard 6-month cleanings.

Prevention Is Always Better

The best way to avoid needing a deep cleaning is consistent preventive care: brushing twice daily, flossing daily, and keeping your regular 6-month dental cleaning appointments. If you’ve been putting off dental visits, schedule today — the sooner gum disease is caught, the simpler the treatment.