London Dental Arts
Dry Mouth

Dry Mouth (Xerostomia)

Saliva is your mouth's natural defence — it washes away food, neutralises acid and keeps tissues comfortable. When it runs short, decay, gum problems and bad breath follow quickly.

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01 — Why it matters
Less saliva means less protection.

Patients with a persistently dry mouth develop decay faster, often on root surfaces and around existing fillings, and find dentures and appliances harder to tolerate.

We look for the cause — medication, medical conditions, dehydration or mouth breathing — then combine protective treatments with more frequent monitoring so problems are caught early.

02 — Symptoms

How dry mouth shows up.

The signs vary, but most people notice one or more of these:

  1. 01A sticky, dry feeling in the mouth
  2. 02Difficulty chewing, swallowing or speaking
  3. 03A burning or sore tongue
  4. 04Cracked lips and corners of the mouth
  5. 05Persistent bad breath
  6. 06New decay appearing quickly
03 — Causes

Where it comes from.

The most common culprits:

Medication
Hundreds of common drugs reduce saliva.
Dehydration
Caffeine and alcohol make it worse.
Medical conditions
Diabetes and Sjögren's syndrome.
Mouth breathing
Often linked to snoring and blocked airways.
Cancer treatment
Radiotherapy affects salivary glands.
Smoking
Irritates and dries the oral tissues.
04 — When to see a dentist

Don't wait it out.

Speak to your our practice dentist if you're experiencing any of the following — book an appointment as soon as you can:

  • Your mouth feels dry most days.
  • You're waking at night needing water.
  • You're getting new cavities or gum problems.
  • Speaking or swallowing has become uncomfortable.
05 — What to do about the pain

In discomfort right now?

If dry mouth has left you with a sore, ulcerated or burning mouth, call us — we can relieve the symptoms while we investigate the cause.

06 — What's next

A plan, not a quick fix.

We'll review your medical history and medication, apply high-fluoride protection, recommend saliva substitutes and set a hygiene interval that keeps your teeth safe.

Our Credentials & Associations

Trusted, accredited and recognised

Private Dentistry Awards 2024 Finalist, Clinical Dentistry Awards 2023 Winner, Private Dentistry Awards 2022 Finalist, Aesthetic Dentistry Awards 2021, 2020 and 2019 Finalist