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14 September 2026
Équipe Body Expert
21 min de lecture

Advanced gum disease: what it means and what can still be done

Homme écartant sa lèvre inférieure pour montrer une gencive rouge et rétractée

Advanced gum disease is periodontitis that has already destroyed part of the bone holding your teeth in place. That bone does not grow back on its own, and no mouthwash, toothpaste or course of antibiotics will bring it back. What treatment can do is stop the destruction, settle the inflammation and preserve the teeth that still have enough support around them. When patients are treated and then kept under regular periodontal maintenance, long-term studies show that most of them keep most of their teeth (Graetz et al., 2020).

Periodontitis is a chronic inflammation of the tissues that anchor a tooth: the gum, the periodontal ligament, the cementum covering the root and the alveolar bone. It is common in the UK: the Adult Dental Health Survey found that the proportion of adults with deep pockets of 6 mm or more rose from 6% to 9% between 1998 and 2009 (White et al., 2012). If you have been told that teeth are loose, that pockets are deep or that bone has been lost on the X-rays, you are in that group. The rest of this article explains what the diagnosis means, what the treatment involves, which teeth can realistically be kept, and what has to be true before implants can replace the ones that cannot.

What “advanced” means

Gum disease begins as gingivitis, an inflammation limited to the gum itself. The gum bleeds when brushed, looks red and swollen, and returns to health once the bacterial film is removed properly. Nothing is lost at that stage, which is why gingivitis is described as reversible.

Periodontitis is a different situation. The inflammation has reached the ligament and the alveolar bone, the attachment between root and bone is destroyed, and a periodontal pocket forms where bacteria live out of reach of a toothbrush. The tissue that has been lost stays lost. Treatment therefore aims to halt the disease where it stands, and that is the most useful thing to understand before a plan is discussed.

Infographic showing four stages of gum inflammation, from healthy gums to advanced periodontitis

Stages and grades: how dentists describe severity

Since the 2017 international classification, periodontitis has been described with two separate scales rather than with words such as “terminal” or “aggressive”. Stages I to IV describe how much has already been destroyed, measured on attachment loss, bone loss relative to root length, teeth already lost to the disease, and how complex the case will be to manage: deep pockets, bone defects, furcation involvement, mobility, a bite that no longer works. Grades A to C describe how fast it is moving, with smoking and poorly controlled diabetes acting as grade modifiers (Tonetti et al., 2018).

Stage IV is where most people who search for “advanced gum disease” find themselves. It carries the severity of stage III and adds the consequences of what has already been lost, such as teeth drifting or flaring, a collapsing bite and missing teeth that need replacing. European guidance treats it as a defined clinical situation with its own interdisciplinary pathway, not as a point of no return (Herrera et al., 2022).

What causes it, and what makes it worse

The trigger is bacterial plaque that is not removed and hardens into calculus, keeping the inflammation going. Several other factors decide how severe the disease becomes and how fast it progresses.

Man in a white polo shirt wincing with his hand against his cheek

  • A family history of periodontitis helps identify who should be screened earlier and monitored more closely.
  • Conditions and treatments that suppress the immune response allow periodontal infections to establish and persist.
  • Age matters, particularly from the mid-fifties, because receding gums expose root surfaces where plaque accumulates more easily.
  • Dental malocclusion, inherited or the result of an injury, makes some surfaces very hard to clean and can be corrected orthodontically once the gums are stable.
  • Smoking is among the best documented risk factors, and it also masks the bleeding that would otherwise warn you something is wrong (Leite et al., 2018).
  • A diet heavy in sugar and in acidic drinks keeps the oral environment favourable to plaque.
  • Diabetes works in both directions. Poor glycaemic control worsens periodontal inflammation, and periodontal treatment improves glycaemic control in return, which is why the International Diabetes Federation and the European Federation of Periodontology issued joint guidance on the two conditions (Sanz et al., 2018).

Inflamed upper gum with calculus deposits along the gumline

How it progresses, and what the warning episodes look like

As the pocket deepens, the bacterial community inside it changes and the bone surrounding the root recedes. The tooth loses support, becomes mobile, and eventually has nothing left to hold it. Along the way, many patients experience a periodontal abscess: a painful, swollen collection of pus at the side of a tooth rather than at its tip, which is what distinguishes it from an abscess of endodontic origin. An abscess is a reason to be seen urgently, and the NHS lists loose teeth, very swollen gums and lumps in the mouth among the signs that should not wait (NHS, 2026).

Infographic comparing three types of dental abscess: gingival, periodontal and periapical

The old division between “chronic” and “aggressive” periodontitis was abandoned in that classification because no evidence supported treating them as separate diseases. The current classification recognises three forms: periodontitis, necrotising periodontitis, and periodontitis as a manifestation of systemic disease (Papapanou et al., 2018). Severity and speed are then described by the stage and the grade, which is the language your periodontal report will use.

Telling advanced disease from early gum disease

Periodontitis is usually painless until it is well established, so the absence of toothache proves nothing. The early signs are easy to dismiss:

  • Gums that bleed when brushing or eating
  • Sensitivity to hot and cold
  • Tender or swollen gums
  • Soft, spongy gum tissue
  • Gums that recede or look puffy
  • Persistent bad breath

3D illustration of a tooth surrounded by red inflamed gum with pain symbols

By the time the disease is advanced, the picture changes and the signs are harder to ignore. Any of the following justifies an appointment rather than a wait-and-see approach:

  • Pain deep around the root of a tooth
  • Periodontal abscesses, or pus appearing at the gum margin
  • Teeth that move, drift apart or feel longer than they used to
  • A bite that has changed, or a denture that no longer seats properly
  • Teeth that have already been lost

Teeth covered in calculus with receded gums across the arch

What advanced gum disease costs beyond the mouth

Losing teeth to periodontitis affects chewing, and therefore diet, and it affects speech. It has a visible effect on the smile, and a measurable one on confidence. Those consequences are the reason the 2018 classification counts teeth already lost to the disease as part of the staging, rather than treating tooth loss as a separate story.

There is also a general health dimension, which is often overstated in marketing material and is worth stating precisely. European consensus reports retain an association between periodontitis and cardiovascular disease, without establishing that one causes the other (Sanz et al., 2020a). The relationship with diabetes is better characterised and runs in both directions, with periodontal treatment producing a measurable improvement in glycaemic control (Sanz et al., 2018).

Dental arch with brown deposits and advanced gum recession

How advanced gum disease is treated

European guidance sets out a stepwise plan, and each step is only taken once the previous one has been re-evaluated. Step 1 is behaviour change: plaque control taught and checked, smoking addressed, diabetes control reviewed. Step 2 is instrumentation of the root surfaces below the gum. Step 3 handles the pockets that have not responded, surgically where needed. Step 4 is supportive periodontal care, repeated at intervals for as long as the teeth are in the mouth (Sanz et al., 2020b). Skipping step 4 undoes the rest.

Steps 1 and 2: controlling the biofilm and cleaning below the gumline

Subgingival instrumentation, still widely called root planing or deep cleaning, removes calculus and disrupts the biofilm on the root surface without damaging enamel or pulp. It is carried out under local anaesthetic, by hand or with ultrasonic instruments, and is usually spread over several appointments. Guy’s and St Thomas’ NHS Foundation Trust describes a typical deep scaling course as five to six visits, which gives a realistic idea of the commitment involved. Antibiotics are not a substitute for this mechanical work and are reserved for specific situations.

Your own cleaning decides how much of that effort survives. European guidance supports brushing twice a day for at least two minutes with a fluoride toothpaste, and adds that two minutes is likely to be insufficient for someone with periodontitis once interdental cleaning is included. Interdental brushes are the first choice between the teeth wherever they fit without trauma, with floss kept for the spaces they cannot pass through (Chapple et al., 2015).

Patient reclined in a dental chair during a professional cleaning

Step 3: surgery where pockets have not closed

When pockets remain deep after instrumentation, access surgery or regenerative surgery is considered. The choice depends on the shape of the bone defect, not simply on the depth of the pocket, which is why a full treatment plan for gum disease is drawn up after re-evaluation rather than at the first visit.

Open flap surgery

The gum is lifted as a flap to expose the root surfaces and the bone, cleaned directly, then repositioned and sutured. It is done under local anaesthetic. The trade-off is worth knowing in advance: once the inflammation settles, the gum shrinks back, roots become more exposed and sensitivity is common for a period. Guy’s and St Thomas’ warns patients that this recession is usually permanent and reflects the bone loss that was already there.

Dental training model with a cheek retractor, an instrument passed between two upper molars

Pocket reduction surgery

Pocket reduction, which includes gingivectomy and osseous recontouring, reshapes the gum and the bone margin so that the pocket is eliminated rather than merely cleaned. It is performed under local anaesthetic, with fine sutures and an antiseptic dressing afterwards. The real benefit is practical: a shallower sulcus is one you can clean yourself, which is what keeps the site stable afterwards.

3D illustration of an instrument passed below the gumline of the lower teeth

Gum grafts

Where recession has left a root exposed or the gum too thin to be brushed comfortably, a gum graft can restore thickness and cover the root surface. Tissue is usually taken from the palate under local anaesthetic and secured over the receded area. This is a soft-tissue procedure, so it improves the covering and the comfort of the site without rebuilding the bone underneath it.

Four views of a gum graft being harvested and thinned with a scalpel

Bone grafting and rebuilding volume

Bone lost to periodontitis leaves a ridge too thin or too short to take an implant in good conditions. Bone grafting compensates for part of that deficit, using biocompatible synthetic material or a graft, and is planned from a three-dimensional X-ray rather than from a clinical impression alone. Healing takes several months before an implant can be placed, and that delay is part of the treatment rather than an optional extra. In the upper jaw, a sinus lift may be needed to create height below the sinus floor, and a full-arch implant-supported prosthesis has its own volume requirements.

Infographic showing the four key stages of a bone graft, from tooth removal to implant placement

Lasers, light therapy and what the evidence supports

Clinics promote several technologies as add-ons to conventional treatment. They are not equivalent, and the European S3 guideline reached different conclusions for each of them.

Laser treatment

Diode and erbium lasers are offered as a way to disinfect pockets and stimulate the gum tissue without opening it. The evidence base is thin: five randomised trials, 147 patients in total, a single laser application and six-month outcomes. On that basis the guideline states that there is insufficient evidence to recommend it, and suggests not using lasers as an adjunct to subgingival instrumentation (Salvi et al., 2020; Sanz et al., 2020b). A laser is not a reason to choose one clinic over another.

3D illustration of a red laser fibre inserted below the gumline between two teeth

Photodynamic therapy

Antimicrobial photodynamic therapy works by binding a photosensitising dye to bacterial membranes and activating it with light of a specific wavelength, which generates reactive oxygen species inside the pocket. The mechanism is elegant and the trials are disappointing: across five randomised trials, no additional benefit was observed at six months, and the guideline suggests not using it at wavelengths of 660 to 670 nm or 800 to 900 nm. The same recommendation applies during maintenance (Sanz et al., 2020b).

Close-up of teeth with the gum line stained green by a dye, a dental instrument visible at the top of the image

Guided tissue regeneration

Guided tissue regeneration is the exception in this group, and the one supported by the guideline. A barrier membrane keeps the gum from filling the space where bone should re-form, combined with a bone substitute and, in some protocols, enamel matrix derivative or growth factors. It is recommended for intrabony defects and for certain furcation involvements, which means it depends on the shape of the defect rather than on the severity of the case (Sanz et al., 2020b).

Bleeding gum held back by an instrument during periodontal surgery

Can the tooth be saved, or should it come out?

This is the question most patients want answered first, and it is decided tooth by tooth rather than mouth by mouth. Extraction and replacement is the quickest route for the clinician, the easiest to plan and the most profitable. Conservative treatment is still the default in medicine and in dentistry, and periodontal therapy has long-term results behind it.

Comparison portraits of a woman, smile before and after dental treatment

The argument for what is sometimes called preventive extraction is that it makes the plan predictable. The published data do not support the stronger version of that argument, the one that says a treated tooth will not last as long as an implant. In four German university centres, with follow-up periods running from 6.7 to 18.2 years, annual tooth loss during supportive periodontal therapy stayed between 0.10 and 0.15 teeth per patient, and the authors concluded that long-term retention is feasible for most patients when a structured protocol is applied (Graetz et al., 2020). Implants have their own failure mode: peri-implant mucositis and peri-implantitis are both highly prevalent, and peri-implantitis is particularly difficult to manage once it starts (Herrera et al., 2023).

Diagram of a dental implant showing crown, abutment and screw placed in the jawbone

Implants after advanced gum disease: what has to be true first

Going from “these teeth cannot be kept” to “you will have implants” skips two conditions that decide whether the result lasts. The first is a stabilised periodontium: European guidance places the prevention of peri-implant disease at the moment implants are planned, not after they are loaded, and a patient with untreated periodontitis carries that bacterial situation over to the implants (Herrera et al., 2023). The second is bone volume, in height and in width, which advanced periodontitis has often already reduced. Where the volume is insufficient, grafting comes first and adds months to the timetable before a dental implant can be placed. Solutions designed for reduced bone, such as an All-On-6 prosthesis or the systems discussed in our comparison of basal and conventional implants, change the surgical approach without removing those two requirements. The full range of options for restoring your teeth is worth reviewing before any decision is made, and a second opinion is reasonable when extraction of several teeth is proposed at once.

Where orthodontics fits in

Aligning crowded or drifted teeth makes them easier to clean, and correcting a malocclusion removes surfaces that trap plaque. In stage IV periodontitis, orthodontic movement also has a reconstructive role, repositioning teeth that have flared or migrated as support was lost. The sequence matters more than the technique: European guidance places orthodontic treatment after periodontal stabilisation, on a periodontium that is no longer inflamed, alongside splinting, occlusal adjustment and prosthetic rehabilitation (Herrera et al., 2022). Moving teeth through an active infection is not a way of treating that infection.

Comparison portraits of a patient, smile before and after dental rehabilitation

Keeping it stable

Everyday cleaning that works

Brush twice a day for at least two minutes with a fluoride toothpaste, using a soft brush, and clean between the teeth once a day with interdental brushes sized to the spaces you have. Someone treated for periodontitis should expect to spend longer than two minutes in total once interdental cleaning is counted (Chapple et al., 2015). Technique is worth more than equipment here, and it is the part of the treatment plan your hygienist will keep checking.

Close-up of dental floss being passed between two teeth

Smoking, sugar and the other risk factors

Stopping smoking changes the response to periodontal treatment more than any adjunctive product on the market. Sugary and acidic drinks, alcohol and an unbalanced diet all keep the oral environment favourable to plaque, and uncontrolled diabetes belongs on the same list. These are the factors the first step of treatment addresses, before any instrument is used.

Check-ups, screening and periodontal maintenance

Everyone should be examined at least once a year, and gum disease is screened for at that appointment rather than diagnosed from symptoms. After periodontal treatment, the follow-up takes a specific form: supportive periodontal care at intervals set by risk, usually every three to six months, with the pockets re-measured each time. This is step 4 of the European protocol, and it is what turns a course of treatment into a stable result (Sanz et al., 2020b).

Professional cleaning of the lower teeth with an ultrasonic scaler tip and a mirror

Parents have a specific role here. A child who cleans properly and drinks few sugary or fizzy drinks is far less likely to develop periodontitis as an adult, and regular dental visits allow gingivitis to be caught while it is still fully reversible.

Getting treated in the UK, and why some patients look abroad

Periodontal treatment is available on the NHS, which provides the clinically necessary care needed to keep the mouth healthy. In England, scaling for gum disease falls within Band 1 (£27.90), more extensive periodontal treatment and extractions within Band 2 (£76.60), and crowns, bridges and dentures within Band 3 (£332.10), with exemptions for under-18s, pregnant patients and those on qualifying benefits (NHS, 2026). The practical difficulty is elsewhere: finding an NHS practice taking new patients, waiting for specialist periodontal referral, and the fact that implant rehabilitation is generally arranged privately rather than on the NHS.

Comparison portraits of a patient wearing glasses, smile before and after dental treatment

That combination is what pushes some patients towards dental tourism. Turkey and Hungary are the two established European destinations, with prices up to 70% lower than UK private fees and appointments that can be arranged quickly. Surgical and prosthetic appointments can be grouped into a stay of two to five days. The rest of the timetable does not compress: stabilising the disease takes a course of treatment, bone grafting needs its months of healing before implants, and supportive care continues for years afterwards with a dentist you can reach. Any provider worth considering should set out those stages in writing, along with the legal safeguards covering treatment and follow-up.

Comparison portraits of a patient, smile before and after dental treatment, damaged front teeth and then a complete arch

Choosing Body Expert in Turkey for advanced gum disease

  • Periodontal expertise: the dental clinics and specialist surgeons working with Body Expert manage the full range of periodontal disease, from instrumentation and surgery to prosthetic rehabilitation, with a personalised plan for each case.
  • Equipment: the clinics selected by Body Expert are equipped for digital imaging and three-dimensional planning, which is what a decision on bone volume and implant position requires.

Comparison portraits of a young dark-haired woman in glasses, smile before and after dental treatment

  • Cost: treatment in Turkey allows up to 70% savings against UK private fees, which is what brings complex rehabilitation within reach for many patients.
  • Support in English: an English-speaking patient coordinator follows your file from the first quotation through to the 12 months of post-operative follow-up, and a free quotation is issued within 24 hours.
  • Organisation: your stay is arranged around the treatment, with a five-star hotel and VIP transfers between airport, hotel and clinic. Flights are booked separately, by you.

Treatment abroad suits a well-defined case with a clear plan and a dentist at home who will handle the maintenance. If you have been told that teeth are hopeless, ask for the stage and the grade, the pocket chart, the X-rays and the prognosis tooth by tooth before agreeing to anything. Those documents travel with you, and they are what any second opinion will be based on.

Sources

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Graetz, C., Bäumer, A., Eickholz, P., Kocher, T., Petsos, H., Pretzl, B., Schwendicke, F., & Holtfreter, B. (2020). Long-term tooth retention in periodontitis patients in four German university centres. Journal of Dentistry, 94, 103307. https://doi.org/10.1016/j.jdent.2020.103307

Herrera, D., Berglundh, T., Schwarz, F., Chapple, I., Jepsen, S., Sculean, A., Kebschull, M., Papapanou, P. N., Tonetti, M. S., & Sanz, M. (2023). Prevention and treatment of peri-implant diseases: The EFP S3 level clinical practice guideline. Journal of Clinical Periodontology, 50(Suppl 26), 4–76. https://doi.org/10.1111/jcpe.13823

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