Many dental problems start small but can quickly become serious if left untreated. Recognising the warning signs that need immediate attention can save your teeth, reduce pain and prevent costly complications. Here are five signs you should never ignore.
1. Severe tooth pain that won't go away
Intense, throbbing pain, especially with sensitivity to hot and cold, often points to a serious problem underneath.
- Deep decay that has reached the nerve (pulp)
- A tooth abscess or infection
- A cracked or fractured tooth exposing the nerve
- Failed dental work that needs repair
What to do now: take an over-the-counter painkiller as directed, hold a cold compress against your cheek, avoid very hot or cold food, and call your dentist. Severe tooth pain rarely settles on its own, and waiting usually means bigger treatment later.
2. Swelling in your face, jaw or gums
Facial swelling with pain can mean an infection that may spread if it isn't treated.
- Swollen, tender lymph nodes in the neck
- Difficulty swallowing or breathing
- Fever with the swelling
- A foul taste, or pus from the gums
Dental infections can become dangerous if they spread to the throat or neck. Early treatment with drainage and, where needed, antibiotics prevents serious complications.
3. Persistent bleeding or swollen gums
Some gum irritation is common, but bleeding that doesn't improve with good brushing and flossing may mean gum disease, hormonal changes, medication side effects or conditions such as diabetes.
- Bleeding for more than a week
- Gums that are bright red, purple or unusually pale
- Bad breath that doesn't improve
- Gums pulling away from the teeth
4. Loose or knocked-out teeth
Adult teeth should never feel loose. Trauma, advanced gum disease, grinding or bone loss can all cause it, and fast treatment gives the best chance of saving the tooth.
5. Persistent bad breath or a metallic taste
Chronic bad breath that doesn't improve with good hygiene can signal gum disease, deep decay, an abscess, dry mouth or a general health problem. If it persists after careful brushing and flossing, book a check-up.
Prevention is still the best treatment
- Brush twice a day with fluoride toothpaste
- Clean between your teeth daily
- Replace your toothbrush every 3–4 months
- Have a check-up and cleaning every six months
When in doubt, it's always better to have a dentist look than to wait and hope. Early treatment is simpler, more comfortable and less expensive.
Related treatment
Emergency dental care
This article is general information and not a substitute for an examination.
