Dental Cleaning Types: Prophylaxis vs Deep Cleaning

Routine Cleaning (Prophylaxis)

A prophylaxis cleaning is preventive maintenance for healthy or minimally compromised gums. The hygienist uses hand scalers and an ultrasonic scaler to remove plaque and tartar (calculus) from above and slightly below the gumline. The teeth are then polished to remove surface stains.

The procedure addresses the area above the gumline and extends slightly into the sulcus (the space between the tooth and gum tissue). In healthy mouths, the sulcus depth is 1 to 3 millimeters. A prophylaxis can adequately clean this depth. The entire appointment takes 30 to 60 minutes including X-ray review and examination.

Deep Cleaning: Scaling and Root Planing

Scaling and root planing (SRP) is a therapeutic procedure for treating periodontitis (gum disease). It is not a preventive cleaning. SRP involves removing calculus deposits from below the gumline, reaching depths of 4mm to 10mm or more. Root planing smooths the root surfaces to prevent bacteria from reattaching and to promote gum tissue reattachment.

The procedure is typically done in quadrants (one quarter of the mouth per appointment) using local anesthetic because working below the gumline at depth is uncomfortable without numbing. Some practices complete two quadrants in one visit. The full treatment takes two to four appointments depending on the severity of disease.

After a full SRP course, patients return four to six weeks later for a periodontal reassessment. Pocket depths are re-measured to evaluate whether the tissue has responded to treatment. Some patients achieve pocket reduction and can return to routine maintenance. Others may require continued periodontal maintenance visits every 3 to 4 months instead of the standard 6-month interval.

How Your Dentist Decides Which You Need

The decision is based on periodontal probing, which measures the pocket depth around every tooth using a thin probe calibrated in millimeters. The hygienist inserts the probe at six points around each tooth and records the depth.

Probing is always combined with X-ray evaluation to assess bone levels. Bone loss visible on X-rays confirms periodontitis even in cases where pocket depths are borderline.

Periodontal Maintenance: The Third Type

Patients who have completed an SRP course are typically placed on periodontal maintenance (PM) instead of returning to standard prophylaxis. PM visits are more thorough than prophylaxis because they continue to address the pockets that remain after initial treatment, even if they have reduced from their original depth.

Periodontal disease is chronic. It cannot be cured, only controlled. The 3-to-4-month maintenance interval prevents re-accumulation of bacteria in the pockets between visits. Patients who return to 6-month prophylaxis after SRP often see a recurrence of disease within one to two years. The additional cost of PM over standard cleanings is real, but so is the consequence of neglect: potential tooth loss.

Cost Summary