Ky Hoa Ky Hoa Dental Odonto-Stomatology Specialty
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Oral health & underlying conditions

Diabetes and periodontitis: the two-way relationship worth knowing about

Many people living with diabetes for years never suspect that their bleeding gums and loosening teeth are connected to their blood sugar. In truth, the two travel together.

Key points
  • Diabetes and periodontitis act on each other in both directions: high blood sugar leaves gums prone to inflammation, and chronic inflammation makes blood sugar harder to control.
  • Prolonged high blood sugar damages the small vessels feeding the gums and weakens infection defence, so people with diabetes meet gum problems earlier and more severely.
  • Signs to act on include red, bleeding gums, persistent bad breath, receding gums exposing the roots, loose teeth, and mouth sores that heal slowly.
  • Ky Hoa Dental sits within Ky Hoa Medical Center, so the dentist can hold a joint consultation with an internal medicine doctor about blood sugar and medication.
Diabetes and Periodontitis: A Two-Way Relationship

At the clinic, our dentists often meet older patients whose gums stay red and swollen and bleed when they brush, no matter what they try. Asking further, it turns out they are being treated for diabetes. This is no coincidence. Diabetes and periodontitis are closely linked and act on each other in both directions. Understanding this helps you look after your mouth and manage the underlying condition better.

What periodontitis is, and why diabetes raises the risk

Periodontitis is inflammation of the tissue supporting the tooth root: the gum, the ligament and the alveolar bone. It usually starts as gingivitis caused by tartar and plaque build-up; left alone, bacteria work deeper and gradually destroy the support, leaving teeth loose, gums receding, and in time teeth lost.

In diabetes, prolonged high blood sugar damages the small blood vessels that feed the gums and reduces the body's ability to fight infection. Gums therefore inflame more easily, inflammation runs more severe, and wounds in the mouth take longer to heal than they would otherwise. This is why, at the same standard of oral hygiene, people with diabetes tend to meet gum problems earlier and more severely.

A two-way relationship: when one worsens, so does the other

What many people do not realise is that this relationship runs both ways, not just one.

  • Diabetes makes periodontitis worse: high blood sugar leaves gums prone to inflammation, slow to heal, and the disease progresses faster.
  • Periodontitis in turn makes blood sugar harder to control: a chronic focus of inflammation in the mouth keeps the body in an inflammatory state, which makes regulating blood sugar harder work. When that focus is treated, blood sugar control often becomes easier, although how much varies with each person's condition and body.

Put simply, the two conditions are like a tug of war: when one side pulls harder, the other is dragged along. Manage one well and the other eases too.

Warning signs not to ignore

If you are living with diabetes, watch for the following in your mouth:

  • Red, swollen gums that bleed when you brush or chew;
  • Persistent bad breath despite thorough cleaning;
  • Gums receding so the teeth look longer and the roots show;
  • Teeth becoming loose or sensitive, or pus appearing around the root;
  • Sores or ulcers in the mouth that are slow to heal.

One or two of these signs does not necessarily mean the condition is severe, but it is the moment to come in for an assessment. Caught early, treatment is usually gentler and the teeth are easier to keep than once they have begun to loosen.

Looking after your mouth when you have diabetes

The care itself is nothing elaborate; what matters is doing it consistently:

  • Brush twice a day with a soft-bristled brush and use dental floss to clean between the teeth;
  • Dental scaling at the intervals your dentist advises, to reduce the bacterial load around the gums;
  • Keep blood sugar stable as directed by your internal medicine doctor, since this is the root of the matter;
  • Drink enough water and avoid tobacco, which makes gums slower to heal;
  • Have regular dental check-ups, and tell the dentist you are being treated for diabetes and what medication you take.

For older patients, our article on oral care for people over 60 covers the rest of the picture.

Why a general medical centre is more reassuring

Ky Hoa Dental is the Odonto-Stomatology department within Ky Hoa Medical Center, a general medical centre. That is a genuine advantage for anyone with an underlying condition such as diabetes: when needed, the dentist can hold a joint consultation with an internal medicine doctor in the same centre to review blood sugar and current medication and choose an approach that suits each person's general health.

In addition, when you come to Ky Hoa for examination and treatment of dental conditions such as gingivitis, periodontitis or decay, you can use your health insurance (BHYT) card within your covered scope, because the centre holds a health insurance examination and treatment contract. Costs are stated clearly before treatment, so you can plan without surprises.

If you are living with diabetes and notice anything unusual about your gums, do not hesitate to have a dentist look at it. Looking after your teeth is part of looking after your general health. For advice, call the hotline 028.3868.1097 or message Zalo 082.299.3377. The centre is open Monday to Saturday.

Frequently asked questions

Can people with diabetes have extractions or periodontal treatment?

Yes, but blood sugar needs careful assessment beforehand. At a general centre such as Ky Hoa, the dentist can hold a joint consultation with an internal medicine doctor to choose a safe time and approach. Tell us clearly that you are being treated for diabetes and what medication you take. Outcomes and approaches vary from person to person.

Does treating periodontitis help control blood sugar?

Because the relationship runs both ways, treating the periodontal focus removes one source of chronic inflammation, so blood sugar control can become easier. How much it improves varies with each person's condition and body, and diabetes treatment must continue under your internal medicine doctor.

Are scaling and periodontal treatment covered by health insurance?

Yes, when the dentist prescribes scaling to treat gingivitis or periodontitis and it is carried out at a facility holding a health insurance examination and treatment contract, it is covered within your scope. Routine scaling requested for personal care is not. You can use your health insurance card for examination and treatment of dental conditions at Ky Hoa.

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