Treatment guide

Periodontal treatment

Periodontal treatment controls infection and inflammation around teeth and may include home-care changes, professional debridement, scaling and root planing, surgery and long-term maintenance.

Control gum disease and protect the tissues and bone supporting teeth. Periodontal maintenance and control of smoking, diabetes and plaque are central to stability.

Updated August 20, 2026Not clinically reviewed · status

Part of Treatments explained. Related: Root canal retreatment explained · Apicoectomy and endodontic surgery guide · More on Wisdom tooth removal · Dental crown lengthening

Direct answer

What this treatment is for

Control gum disease and protect the tissues and bone supporting teeth.

Treatment pathway

What the complete sequence may include

  1. 1

    Periodontal measurements and imaging

  2. 2

    Risk-factor and hygiene plan

  3. 3

    Nonsurgical treatment

  4. 4

    Response evaluation

  5. 5

    Surgical or regenerative care when indicated

  6. 6

    Periodontal maintenance

What affects candidacy and planning

Disease stage, grade and distribution

Smoking and diabetes control

Plaque-control ability

Tooth prognosis and restorative plan

Tradeoffs and limitations

  • Disease control requires continuing maintenance
  • Advanced disease may not be fully reversible
  • Surgery may be needed for selected defects

Alternatives worth asking about

  • Different nonsurgical approaches
  • Extraction of teeth with poor prognosis
  • Specialist consultation
  • Supportive care when definitive treatment is not possible

Maintenance is part of treatment

Periodontal maintenance and control of smoking, diabetes and plaque are central to stability.

Full explanation

What periodontal treatment involves

Periodontal treatment manages the bacterial infection and inflammation that destroys the gum and bone supporting the teeth. Gum disease exists on a spectrum: gingivitis affects the gum only and is reversible, while periodontitis has already involved the bone and the damage to that bone does not grow back on its own. Treatment therefore aims to stop progression, not to restore what has already been lost. The core of it is thorough removal of plaque and hardened deposits from the root surfaces below the gum, followed by a maintenance program at intervals set by how the disease behaves in that individual. This is one of the few areas of dentistry where the patient's daily routine matters more than the procedure itself: professional cleaning without effective home cleaning does not control the disease. Reassessment charting after a healing interval is what actually distinguishes this from a repeated cleaning, since it measures whether the pockets have genuinely responded instead of assumed.

Also called: gum disease treatment, deep cleaning, scaling and root planing, periodontal therapy.

Why it comes up

Reasons this treatment is usually considered

  • Bleeding gums, which is a sign of inflammation instead of of brushing too hard
  • Pockets measured around the teeth that are deeper than healthy tissue allows
  • Bone loss identified on radiographs
  • Gum recession, loose teeth, or teeth that have begun to drift or splay
  • Persistent bad breath or a bad taste associated with gum inflammation
  • Preparation before implants, orthodontics or extensive restorative work

Variants

Types that change the plan, the sequence or the cost

ItemDetail
Professional cleaning (prophylaxis)Removal of deposits at and just below the gum margin where there is no significant bone loss. Preventive, not therapeutic.
Scaling and root planingThorough cleaning of the root surfaces below the gum, usually under local anesthetic and often divided by quadrant across more than one appointment.
Periodontal maintenanceOngoing cleaning at intervals shorter than routine check-ups, for patients who have been treated for periodontitis. This is a distinct, ongoing category instead of a one-off.
Surgical periodontal therapyAccess surgery to clean deeper defects directly, or to reshape bone, where non-surgical treatment has not resolved the pockets.
Regenerative proceduresGrafts or biological materials used in specific defect shapes to attempt some regain of support. Case selection is narrow and it is not applicable to generalized bone loss.
Adjunctive antimicrobialsLocal or systemic agents used alongside mechanical cleaning in selected cases. They supplement instead of replace the cleaning.

Visit by visit

What actually happens at each appointment

StepDetail
1. Periodontal assessmentFull pocket charting around every tooth, bleeding scores, recession measurements, mobility, and radiographs to assess bone levels. Without a chart there is no diagnosis, only an impression.
2. Explanation and planningThe diagnosis, the extent, the risk factors and the plan should be explained with the chart in front of you. This is where home-care technique is taught, and it is not optional.
3. Non-surgical therapyScaling and root planing, usually under local anesthetic, commonly staged across several appointments by area of the mouth.
4. ReassessmentRepeat charting after a healing interval to measure what actually changed. This step is what distinguishes treatment from repeated cleaning.
5. Further treatment or maintenanceSites that have responded go into maintenance; sites that have not may need surgical access or referral to a periodontist.

How to prepare before the first appointment

  1. Ask for your pocket chart and to have the numbers explained. This is the record of your disease
  2. Ask whether the diagnosis is gingivitis or periodontitis, and what stage, because the implications differ
  3. Ask how many appointments the treatment will take and how it will be staged
  4. Disclose smoking and diabetes honestly, as both substantially affect the outcome
  5. Ask what the maintenance interval will be afterwards and what it will cost ongoing

Afterwards

Recovery, described in phases

ItemDetail
First few daysGums may be tender and teeth sensitive, particularly to cold, as inflamed tissue shrinks and root surfaces become more exposed.
Two to six weeksInflammation reduces and the tissue tightens. Some recession becomes apparent: this is the swelling resolving, not new damage, but it should be explained beforehand so it is not a shock.
Reassessment pointPockets are re-measured to see what has responded. Improvement is judged by numbers, not by how the gums feel.
OngoingPeriodontitis is a managed condition instead of a cured one. Maintenance intervals are set by disease behavior and are usually shorter than standard check-up intervals.

Healing is individual. Follow the written instructions from the treating practice over any general timeline, including this one.

Honest limitations

Complications and what influences them

!

Sensitivity after treatment. Common as root surfaces are cleaned and inflamed tissue shrinks. Usually settles, and desensitizing products help; persistent severe sensitivity should be reviewed.

!

Recession and longer-looking teeth. As swelling resolves the gum sits at its true level. Spaces between teeth may become more visible. This is a predictable consequence of successful treatment and should be discussed in advance.

!

Incomplete response. Deep or awkward sites may not resolve with non-surgical treatment, requiring surgical access or specialist referral.

!

Disease recurrence. Periodontitis recurs if maintenance and home care lapse. This is the single most common reason for later tooth loss after apparently successful treatment.

!

Tooth loss despite treatment. Teeth with very advanced bone loss may not be savable, and part of good treatment planning is being honest about which teeth have a poor prognosis.

!

Temporary loosening. Teeth can feel slightly looser as inflamed tissue resolves before the tissue firms up.

What genuinely affects the outcome

  • Daily interdental cleaning, which is the single most influential factor and the one most often skipped
  • Stopping smoking, which materially changes how gums respond to treatment
  • Control of diabetes, which has a two-way relationship with gum disease
  • Attending maintenance at the interval advised instead of the standard six months
  • Thorough removal of deposits from root surfaces, including in deep and furcation sites
  • Treating the whole mouth, not only the worst areas

Complete cost

Line items that belong in an itemized estimate

01

Full periodontal assessment, charting and radiographs

02

Scaling and root planing, usually priced per quadrant

03

Local anesthetic

04

Reassessment appointment and repeat charting

05

Ongoing periodontal maintenance visits, at their own interval and fee

06

Surgical therapy or regenerative procedures where required

07

Specialist referral to a periodontist

08

Cleaning aids, which are a small but genuine ongoing cost

Benefits

How dental plans commonly treat this

  • Scaling and root planing is commonly billed per quadrant, so a full-mouth course is assessed as several items
  • Plans frequently require evidence of pocket depths and bone loss before paying for periodontal therapy instead of routine cleaning
  • Periodontal maintenance is a distinct procedure code from a routine cleaning, and frequency rules differ
  • Many plans limit the total number of cleanings per year, which can conflict with a shorter maintenance interval
  • Surgical periodontal procedures are typically major services with lower payment percentages
  • Where a plan will not fund the advised maintenance interval, the shortfall is a predictable ongoing cost worth planning for

Second-opinion triggers

What should make you pause before agreeing

!

'Deep cleaning' recommended for the whole mouth with no pocket chart and no radiographs

!

No distinction drawn between gingivitis and periodontitis

!

No reassessment appointment planned to measure whether treatment worked

!

No instruction or demonstration of interdental cleaning technique

!

Extractions and implants proposed before any attempt at periodontal treatment

!

Maintenance interval set by what insurance pays for instead of by disease behavior

Long-term care once treatment is finished

  1. Clean between every tooth daily with the specific tool sized for your spaces, not just floss by default
  2. Attend maintenance at the interval you were given, even when nothing hurts
  3. Use desensitizing toothpaste if roots are sensitive after treatment
  4. Report bleeding that returns, since bleeding is the earliest sign of recurrence
  5. Tell any new dentist that you have been treated for periodontitis, so maintenance continues correctly

Questions people ask

Periodontal treatment: direct answers

01

What is the difference between a regular cleaning and a deep cleaning?

A routine cleaning removes deposits at and just above the gum margin and is preventive. Scaling and root planing, deep cleaning, addresses deposits on root surfaces below the gum, in pockets that have formed because bone has been lost. It is usually done under local anesthetic and staged across appointments. The distinction is not about thoroughness or effort but about whether periodontitis is present, and that should be established by pocket charting and radiographs, not assumed.

02

Will my gums grow back after treatment?

Gum tissue that has receded and bone that has been lost do not generally return on their own, and the honest aim of periodontal treatment is to stop further loss instead of to restore what has gone. In specific, narrowly defined defect shapes, regenerative procedures can achieve some regain, but they are not applicable to generalized bone loss. Gum grafting can cover exposed roots in selected cases, which is a separate procedure with its own indications.

03

Why do my gums bleed when I brush?

Bleeding is a sign of inflammation, and inflammation is caused by bacterial plaque sitting undisturbed at the gum margin. It is very commonly misread as evidence of brushing too hard, and the instinctive response, cleaning that area less, makes it worse. Healthy gums do not bleed with normal brushing and interdental cleaning. Persistent bleeding warrants an assessment, because it can reflect gingivitis, which is reversible, or periodontitis, which is not.

04

Is gum disease curable?

Gingivitis, which affects the gum only, is reversible with effective cleaning. Periodontitis, where bone has already been lost, is a managed condition instead of a curable one: treatment stabilizes it and maintenance keeps it stable, but susceptibility remains. This is why maintenance intervals are shorter than routine check-ups and why the disease returns if maintenance lapses. Framing it as managed, not cured is not pessimism; it is what makes the maintenance make sense.

05

How often will I need cleanings after periodontal treatment?

More often than the standard interval, and the frequency should be set by how your disease behaves instead of by convention or by what a plan pays for. Factors include how deep the remaining pockets are, whether bleeding persists, whether you smoke, and how effective your home cleaning is. Where an insurance plan funds fewer visits than are clinically advised, the gap is a real ongoing cost that is worth knowing about at the start instead of discovering later.

06

Does smoking really affect gum disease that much?

Yes, and it is one of the most significant modifiable factors in how gums respond to treatment. Smoking affects the blood supply to the gum tissue, which also means it can mask bleeding, so gums may look less inflamed than they are, and disease can progress with fewer obvious warning signs. Response to both non-surgical and surgical treatment is affected. Stopping is the single change with the largest effect on periodontal outcomes.

07

Can gum disease cause me to lose teeth?

Periodontitis destroys the bone and attachment that hold teeth in place, and advanced loss of that support is a leading cause of tooth loss in adults. Teeth typically become loose late in the process, which is why the disease is often well established before it is noticed. This is also why bleeding, which appears early, is worth acting on, and why charting and radiographs matter more than how the gums feel.

08

Is periodontal treatment painful?

Scaling and root planing is usually carried out under local anesthetic, so the treatment itself should not be painful. Afterwards, tenderness in the gums and sensitivity of the teeth, particularly to cold, are common for a period as inflamed tissue shrinks and root surfaces become more exposed. Desensitizing products help. Pain that is severe or increasing, not settling should be reported instead of tolerated.

09

What is the link between gum disease and diabetes?

The relationship runs in both directions: poorly controlled diabetes makes gum disease more likely to progress and harder to treat, and active periodontal inflammation can make blood glucose harder to control. This is why the medical history matters and why dental and medical care are worth coordinating. If you have diabetes, telling the practice how well controlled it is, not just that you have it, genuinely changes how treatment and maintenance are planned.

10

Should I see a periodontist or my general dentist?

Many cases are treated effectively in general practice, and a periodontist is a dentist with additional specialist training in the supporting structures. Referral tends to be considered where the disease is advanced, where it has not responded to non-surgical treatment, where surgery or regeneration is being considered, or where the pattern of disease is unusual for the person's age. Asking why you are or are not being referred, and what the reassessment numbers show, is reasonable.

11

How is scaling and root planing usually staged across appointments?

It is common to divide the mouth into quadrants or halves and treat them across two to four visits instead of numbing the entire mouth at once, particularly where anesthetic volume or comfort during a longer single session is a concern. Staging also lets the clinician gauge how tissue is responding as treatment proceeds. Ask how your case is being staged and why, since the split affects both the appointment count and the fee structure.

12

What does a pocket depth number actually mean?

Pocket depth is the distance from the gum margin down to where the gum tissue attaches to the tooth, measured in millimetres at several points around each tooth. Healthy sites measure a few millimetres; deeper measurements indicate bone and attachment loss from periodontitis. The chart of these numbers across your whole mouth, repeated at reassessment, is what actually shows whether treatment worked, not how the gums feel or look.

Related glossary terms

Questions to take to a consultation

  1. What stage and grade were diagnosed?
  2. Which teeth have the highest risk?
  3. How will response be measured?
  4. What maintenance interval is planned and why?

Evidence record

Sources and scope

  1. Periodontal (Gum) DiseaseNational Institute of Dental and Craniofacial ResearchAccessed 2026-08-17
  2. Oral Health TopicsAmerican Dental AssociationAccessed 2026-08-17