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Dental conditions

Learn about 29 common conditions — symptoms, causes and what to do — across 5 areas of oral health.

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General Oral HealthRoutine

Bad Breath

Bad breath, or halitosis, is a persistent unpleasant mouth odour most often caused by bacteria, food, dry mouth or poor oral hygiene.

Unpleasant or foul mouth odourBad taste in the mouthDry mouth
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General Oral HealthRoutine

Dry Mouth

Reduced saliva that leaves the mouth feeling dry and can raise the risk of decay.

Persistent dry feelingSticky mouthDifficulty swallowing
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General Oral HealthRoutine

Mouth Ulcers

Small, painful sores inside the mouth that usually heal on their own within days.

Round white or grey soresPain when eatingRedness around the sore
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Gum ConditionsSee a dentist soon

Bleeding Gums

Bleeding gums are often an early warning sign of gum disease, though they can also stem from brushing too hard or other health factors.

Gums that bleed when brushing or flossingRed, swollen or tender gumsGums that look puffy along the gum line
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Gum ConditionsSee a dentist soon

Gingivitis

Early, reversible inflammation of the gums that causes redness, swelling and bleeding when brushing.

Red, swollen gumsGums that bleed when brushing or flossingTender or sore gums
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Gum ConditionsUrgent

Gum Abscess

A painful pocket of infection in the gum, often with swelling and throbbing.

Throbbing gum painSwelling of the gumBad taste in mouth
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Gum ConditionsRoutine

Gum Recession

Gums pulling back from the teeth, exposing roots and making teeth look longer.

Teeth appear longerExposed tooth rootsIncreased sensitivity
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Gum ConditionsSee a dentist soon

Periodontitis

Advanced gum disease that damages the tissue and bone supporting the teeth.

Receding gumsLoose or shifting teethPersistent bad breath
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Jaw & TMJSee a dentist soon

Jaw Pain

Aching or tenderness in the jaw that can affect chewing, speaking or opening wide.

Aching along the jawDiscomfort when chewingMuscle tenderness
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Jaw & TMJRoutine

Teeth Grinding

Teeth grinding, or bruxism, is the clenching and grinding of teeth, often during sleep, which can wear the teeth and strain the jaw.

Grinding or clenching, often noticed during sleepWorn, flattened or chipped teethIncreased tooth sensitivity
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Jaw & TMJRoutine

TMJ Disorder

TMJ disorder affects the jaw joint and surrounding muscles, causing jaw pain, clicking and difficulty opening the mouth.

Jaw pain or a dull ache near the earClicking, popping or grating joint noisesDifficulty or limited mouth opening
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Missing & Misaligned TeethRoutine

Misaligned Teeth

Crooked, crowded or gapped teeth that affect appearance, bite and cleaning.

Crooked or crowded teethGaps between teethUneven bite
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Missing & Misaligned TeethSee a dentist soon

Missing Teeth

Gaps from lost or extracted teeth that can affect chewing, speech and confidence.

Visible gapsDifficulty chewingShifting nearby teeth
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Missing & Misaligned TeethRoutine

Tongue Thrusting

Tongue thrusting is the habit of pushing the tongue forward against or between the teeth while swallowing, speaking, or at rest.

Tongue visibly pushing against or between the front teethOpen bite where upper and lower front teeth do not meetProtruding or flared front teeth
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Teeth ConditionsRoutine

Attrition

Attrition is the gradual loss of tooth structure caused by tooth-to-tooth contact, most often linked to ageing.

Flattened or worn biting surfacesShortening of the teethIncreased tooth sensitivity
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Teeth ConditionsRoutine

Baby Bottle Tooth Decay

Rapid decay of a young child's teeth from frequent, prolonged exposure to sugary liquids, especially from a bottle at bedtime.

Decay on the upper front teethWhite or brown spots on the teethPitted or broken-down tooth surfaces
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Teeth ConditionsSee a dentist soon

Broken or Chipped Tooth

A broken or chipped tooth is a damaged tooth that needs prompt dental care to relieve pain and prevent infection or further breakage.

Visible chip, crack or missing piece of toothSharp or jagged edge felt with the tonguePain when biting or chewing
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Teeth ConditionsSee a dentist soon

Cracked Tooth

A crack or fracture in a tooth, sometimes too small to see, that can cause sharp pain when biting or chewing.

Sharp pain when biting or chewingPain that comes and goesSensitivity that ranges from mild to intense
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Teeth ConditionsRoutine

Dental Ankylosis

Dental ankylosis is the fusion of a tooth's root directly to the jawbone, which stops the tooth from erupting or moving normally.

Tooth that appears sunken or lower than neighbouring teethOpposing tooth over-erupting out of linePermanent tooth blocked from coming through
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Teeth ConditionsRoutine

Dental Erosion

Dental erosion is the irreversible loss of tooth structure caused by acids, gradually wearing away the protective enamel.

Increased tooth sensitivity to hot, cold or sweetYellowing or discolouration as dentin shows throughSmooth, shiny patches on the enamel
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Teeth ConditionsUrgent

Dental Injury

Trauma to the teeth, gums or jaw from accidents, falls or sports, ranging from a small chip to a knocked-out tooth or fractured jaw.

Chipped or broken toothCracked tooth extending toward the gumTooth knocked loose or fully out
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Teeth ConditionsSee a dentist soon

Impacted Tooth

An impacted tooth is one, often a wisdom tooth, that cannot fully break through the gum because it is blocked by bone, tissue or another tooth.

Redness and swelling of the gum over the toothPain or aching in the jawBad breath or a bad taste
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Teeth ConditionsRoutine

Tooth Abrasion

Tooth abrasion is the mechanical wearing away of tooth structure by forces other than chewing, such as aggressive brushing or hard objects.

Notched or wedge-shaped grooves near the gumlineIncreased sensitivity to hot, cold, or sweet foodsExposed, yellowish dentine
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Teeth ConditionsUrgent

Tooth Abscess

A tooth abscess is a painful pocket of pus caused by a bacterial infection at the root of a tooth or in the surrounding gum tissue.

Severe, throbbing toothachePain when chewing or bitingSensitivity to hot and cold
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Teeth ConditionsSee a dentist soon

Tooth Decay

Tooth decay is damage to the tooth caused by acids from plaque bacteria, which can form cavities in the enamel and deeper layers.

Toothache or spontaneous painSensitivity to hot, cold or sweet foodsVisible pits or holes in the tooth
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Teeth ConditionsRoutine

Tooth Discoloration

Tooth discolouration is staining or darkening of the teeth, appearing yellow, brown or spotted, from surface stains, internal changes or ageing.

Yellowing of the teethBrown or grey stainsWhite streaks or spots on the enamel
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Teeth ConditionsRoutine

Tooth Sensitivity

Short, sharp discomfort in teeth triggered by hot, cold, sweet or acidic foods.

Twinges with cold drinksDiscomfort from sweetsSensitivity to air
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Teeth ConditionsSee a dentist soon

Toothache

A toothache is pain in or around a tooth or jaw, usually signalling an underlying dental problem such as decay, infection, or injury.

Sharp, throbbing, or constant tooth painPain that worsens with chewingSensitivity to hot or cold
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Teeth ConditionsRoutine

Worn Teeth

Worn teeth occur when enamel is gradually lost through wear, leaving teeth sensitive, thinner, and more prone to decay and damage.

Increased sensitivity to hot, cold, or sweet foodsFlattened or shortened tooth surfacesRough, chipped, or thinning edges
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