What Causes Sensitive Teeth?

If you sometimes find the taste of something hot or cold painful on your teeth, you may suffer from sensitive teeth.

Sensitive teeth is a common problem which may be caused by cavities and fractured teeth.

But it can also be caused by worn tooth enamel, a cracked tooth or an exposed tooth root.

Tooth enamel is the strongest substance in the body and it protects the crowns of healthy teeth. A layer called cementum protects the tooth root under the gum line.

The part underneath the enamel and the cementum is called dentin, which is less dense than enamel or cementum.

The dentin contains small hollow tubes or canals called tubules. When the dentin loses its protective covering, the tubules allow hot, cold, acidic or sticky foods to reach the nerves and cells inside the tooth.

This causes hypersensitivity and occasional discomfort but fortunately, the irritation does not cause permanent damage.

Following proper oral hygiene helps prevent the gums from receding and causing the pain of sensitive teeth.

Brushing your teeth incorrectly or even brushing too much can cause gum problems.

Your dentist will advise you on the best daily routint to maximize your oral hygiene.

How dental x-rays help improve your oral health

Many diseases of the teeth and surrounding tissues cannot be seen when your dentist examines your mouth so an X-ray examination can reveal important additional information:

For example, X-rays can help show:
– Small areas of decay between the teeth or below existing fillings
– Infections in the bone
– Gum disease
– Abscesses or cysts
– Developmental abnormalities
– Some types of tumors

The way they work is that more X-rays are absorbed by the denser parts (such as teeth and bone) than by soft tissues (such as cheeks and gums). This creates an image called a radiograph.

Tooth decay, infections and signs of gum disease appear darker because of more X-ray penetration. The interpretation of these radiographs allows the dentist to safely and accurately detect hidden abnormalities.

The frequency of X-rays (radiographs) will depend on your specific health needs.

Your dentist will review your history, examine your mouth and decide whether you need radiographs and what type.

When you are a new patient, the dentist may recommend radiographs to establish how the hidden areas of your mouth currently look to help identify changes that occur later.

X-rays can help identify and treat dental problems at an early stage and so can save time, money and unnecessary discomfort.

Fixing crowded and crooked teeth with orthodontics

Correcting problems with crowded and crooked teeth not only gives you a better smile, it also leads to a healthier mouth.

Malocclusion, also known as bad bite, involves teeth that are crowded or crooked.

Sometimes, the upper and lower jaws may not meet properly and, although the teeth may appear straight, the individual may have an uneven bite.

Problems such as protruding, crowded or irregularly spaced teeth may be inherited. But thumb-sucking, losing teeth prematurely and accidents also can lead to these conditions.

As well as spoiling your smile, crooked and crowded teeth make cleaning the mouth difficult. This can lead to tooth decay, gum disease and possibly tooth loss.

A bad bite can also interfere with chewing and speaking, cause abnormal wear to tooth enamel and lead to problems with the jaws.

Orthodontic treatment can help correcting these problems giving you a better smile but, more importantly, creating a healthier mouth.

Your dentist will advise you on how orthodontic treatment could help you.

Root canal treatment

Root canal therapy is an important treatment that can save a tooth with a diseased nerve and which in the past would probably have needed to be removed.

Inside each tooth is the ‘pulp’ which runs like a thread down through the root and provides nutrients and nerves to the tooth. It is the soft tissue that contains nerves, blood vessels and connective tissue.

If the pulp is diseased or injured, the pulp tissue dies.

The most common cause of pulp death is a cracked tooth or a deep cavity. Both of these problems can let bacteria enter the pulp.

So, if you don’t remove it, your tooth gets infected and you could lose it.

After the dentist – or endodontist (a dentist who specializes in problems of the pulp) – removes the pulp, the root canal is cleaned and sealed off to protect it. Then your dentist places a crown over the tooth to help make it stronger.

Most of the time, a root canal is a relatively simple procedure involving one to three visits with little or no discomfort.

Your restored tooth could last a lifetime, if you continue to care for your teeth and gums and enjoy regular checkups.

How cancer treatment affects oral health

When someone is undergoing cancer treatment, its important that they involve their dentist in their program of care.

They should schedule a dental exam and cleaning before the treatment actually begins and then repeat it periodically during the course of treatment.

Its important that they tell the dentist that they are being treated for cancer and that they also discuss any dental procedures, such as extractions or insertion of dental implants, with the oncologist before starting the cancer treatment.

Its therefore a good idea to ensure that the dentist and oncologist have each others details to enable them to discuss any issues to help the patient.

And the dentist and physician should be informed about any issues such as bleeding of the gums, pain, or unusual feeling in the teeth or gums, or any dental infections.

Maintaining excellent oral hygiene during cancer treatment is vital to reduce the risk of infection and to help aid the treatment process.