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Mouth diseases and conditions

Conditions and diseases of the mouth can impact how you eat, speak, socialise and express emotion. Having a healthy mouth is important for your overall health and may reduce your risk of chronic disease. Learn how to keep your mouth healthy and when you should see a doctor.

Bleeding gums and dental bleeding

Bleeding from your gums or any other type of dental bleeding can be caused by a dental procedure, an injury or gum disease. Find out what to do.

Cleft lip and cleft palate

Cleft lip or palate happens when parts of the lip, upper jaw or roof of the mouth don't join properly early in pregnancy.

Cold sores

Cold sores are blister-like spots that appear in or around the mouth. Find out about prevention, common triggers, treatment and self-care options.

Dry mouth syndrome

Dry mouth syndrome is when you don't produce enough saliva. For some, it's annoying; others find it affects the health of their teeth and gums.

Dysphagia (difficulty swallowing)

Dysphagia (difficulty swallowing) includes problems with swallowing, drinking, chewing, eating, dribbling, or closing the lips. Find out more here.


Gingivitis is an early form of gum disease. It occurs when plaque builds up on your teeth along the gum line. Learn about the signs and treatment.

Gum disease

Gum disease is when the tissue that surrounds and supports your teeth becomes infected. Find out about the symptoms and treatments for gum disease.


Halitosis (bad breath) is normal when you wake up. But if it doesn't go away after a while, it can be a sign of another condition.

Child poking out their tongue.

Mouth and tongue cuts

Cuts to the mouth and tongue can happen after a fall or knock to the head. Most are minor and heal on their own, but some may require treatment.

Mouth cancer

Mouth cancer can affect your tongue, lips, cheeks or soft palate. Learn about risk factors, symptoms, treatment and importance of early diagnosis.

Man with mouth ulcers.

Mouth sores and ulcers

An ulcer is a common type of mouth sore. It can make everyday tasks like teeth brushing, talking, eating and drinking feel uncomfortable.

Oral thrush

Oral thrush (oral candidiasis) is an infection of the mouth caused by a yeast fungus known as candida. Learn about prevention, symptoms and treatment.

Tongue-tie division (infant)

A tongue-tie joins the tongue to the floor of the mouth. Dividing the tongue-tie should allow your baby to feed better and improve oral hygiene.

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