General & Restorative18 August 20243 min read

Bad Breath (Halitosis): 6 Real Causes

Bad breath has specific causes. Here's how to identify yours and fix it.

Dr. Fatima Hassan

General Dentist & Endodontist

Causes

Poor hygiene (most common): bacteria on tongue and between teeth
Gum disease: bacterial odour from pockets
Dry mouth: reduced saliva
Dental issues: cavities, infected teeth
Diet: garlic, onion, coffee, alcohol
Systemic: sinus infection, acid reflux, diabetes (fruity), liver disease

Fixes by cause

Tongue scraping daily
Interdental cleaning
Fluoride rinse
Treat gum disease
Stay hydrated
Address medical issues

What doesn't help long-term

Menthol mouthwashes (short masking)
Gum (temporary)
Mints (sometimes worsens)

When to see a dentist

Persistent despite good hygiene
New onset without obvious cause
With other symptoms

Practical decision guide

General dental decisions should preserve healthy tooth structure whenever possible. A good plan moves from diagnosis to the least-invasive durable treatment, then to prevention so the same problem does not repeat.

Check this first

X-rays, pulp vitality, crack lines, gum pocketing, bite contacts, and how much natural tooth remains.
Whether the problem is active disease, old restoration failure, trauma, wear, or a cosmetic concern.
Whether a filling, onlay, crown, root canal, extraction, or monitoring is the right next step.

When to book sooner

Pain wakes you at night, lingers after hot or cold, hurts on biting, or comes with swelling.
A crown or filling falls out, a tooth cracks, or a sharp edge is cutting the tongue or cheek.
You notice pus, fever, spreading swelling, or difficulty opening, swallowing, or breathing.

Questions to ask at the appointment

What is the diagnosis, and what evidence supports it on the x-ray or clinical exam?
What is the smallest treatment that solves the problem predictably?
What failure signs should I watch for after treatment?

Dubai patient note

If insurance is involved, ask whether pre-approval is required, what codes will be submitted, and what alternatives are clinically acceptable if coverage is limited.