Should a deep cleaning be done in one visit or two?

For most patients, a deep cleaning is done in two visits: one for each side of the mouth, scheduled about one to two weeks apart. This isn't a scheduling convenience. It's a deliberate clinical choice that keeps you more comfortable during treatment and gives your gums time to begin healing before your provider completes the second half. 

What you'll learn in this article: 

• Most deep cleanings are divided into two appointments, treating one side of the mouth at each visit. 

• Splitting the treatment means only half your mouth is numb and tender at a time, so eating, speaking and daily life stay manageable between visits.

• The gap between appointments lets your provider assess how well your gums are responding before completing the second half of treatment.

• A single-visit deep cleaning is possible in some situations, but it's less common and not always the right fit.
  

If you've been told you need a deep cleaning, schedule an appointment with an Aspen Dental provider to discuss your treatment plan and what to expect. 

Why are deep cleanings typically done in two visits? 

A deep cleaning (also called scaling and root planing)  removes hardened buildup from below the gumline and smooths the surfaces of your tooth roots so your gums can heal and reattach.¹ The procedure may require local anesthesia, which numbs the area being treated. 

That numbing is the main reason providers divide the treatment. When one side of your mouth is anesthetized, chewing on that side is difficult and your mouth feels generally off. Treating only half the mouth at a time means the other side stays completely normal; you can eat, drink and speak comfortably right after your appointment. 

What does "one side" actually mean? 

Your mouth has four sections called quadrants: upper right, upper left, lower right and lower left. For a two-visit deep cleaning, your provider typically treats the upper and lower quadrants on one side during the first appointment, then the remaining side at the second. The result is two complete, focused treatment sessions rather than one lengthy one. 

How long is the wait between visits? 

With a staged approach, treatment visits are usually spaced at least one week apart.² This window gives your gum tissue time to begin responding to treatment. Your provider may briefly assess your healing before starting the second side, which can guide how the remaining treatment is approached. 

Can a deep cleaning be done in one visit? 

Yes, though it's less common. A single-appointment deep cleaning may be appropriate when gum disease is mild and limited in scope, or when a patient cannot return for a second visit due to travel or a difficult schedule. Some providers also offer full-mouth treatment in a single session under more extensive anesthesia. 

The tradeoff is comfort. With the entire mouth numbed at once, eating and speaking immediately afterward are noticeably harder. Post-procedure tenderness may also feel more widespread. Research has not found a clear clinical benefit for full-mouth treatment over a staged approach, so the schedule can depend on your needs and preferences.² 

How will I know which approach is right for me? 

The extent of your gum disease determines your treatment plan. A dental provider who has reviewed your X-rays and examined your gum tissue is the right person to make that call. The depth of periodontal pockets — the small spaces between the teeth and gums that deepen as gum disease advances — helps show how severe the disease is and guides treatment.³ 

If you’re preparing for a deep cleaning, talk with your dental provider about how many visits your treatment may require and why. Knowing the plan ahead of time can help you feel more prepared for each appointment. 

Should a deep cleaning be done in one visit or two? FAQs 

A few questions patients commonly ask once treatment is planned. 

How long does each deep cleaning appointment take? 

Each visit typically runs 45 minutes to an hour, depending on the severity of the buildup and the number of teeth being treated. Appointments for more advanced gum disease may run longer. 

Will my gums be sore after a deep cleaning? 

Some tenderness and mild sensitivity in the days following treatment is normal. Cold foods, beverages and pressure on the treated area may feel more noticeable for a few days. Over-the-counter pain relievers and a diet of soft foods can help during this period. Most patients feel back to normal within a week. 

Will I need more than two visits if my gum disease is severe? 

Possibly. Patients with advanced gum disease affecting all four quadrants may need three or four appointments rather than two. Your dental provider will outline the recommended number of visits based on your X-rays, pocket depth measurements and the overall condition of your gum tissue before treatment begins. 

Sources 

¹ American Dental Association: “Scaling and Root Planing for Gum Disease.” https://www.mouthhealthy.org/all-topics-a-z/scaling-and-root-planing 

² National Institutes of Health: PubMed Central. Cochrane Database of Systematic Reviews. “Full-mouth treatment modalities (within 24 hours) for periodontitis in adults.” https://pmc.ncbi.nlm.nih.gov/articles/PMC9239328/ 

³ National Institute of Dental and Craniofacial Research: “Periodontal (Gum) Disease.” https://www.nidcr.nih.gov/health-info/gum-disease