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Top Signs of Tooth Decay


Tooth decay is one of the most prevalent dental issues faced worldwide. It all starts with the build-up of a sticky film called plaque on your teeth. Oral bacteria converts the plaque into acids which eventually destroy the enamel of your teeth, resulting in tooth decay. After the enamel of your teeth has been invaded, the next target is dentine (the inner part of the teeth). As the destruction continues, bacteria finally reaches the innermost part of the teeth called the pulp. Regular brushing and flossing of teeth prevents the build of plaque and stops the bacteria from causing tooth decay.


You may already suspect that you have tooth decay in one or more teeth but not be sure, so here are some of the major signs of tooth decay that you should be wary of. Treating them before they become worse will prevent unnecessary costs, pain and time down the track.

Article Summary:

  • Toothache
  • Tooth sensitivity
  • Tooth discolouration
  • Visible hole or pit in your tooth
  • Bad breath



A toothache is one of the most common signs of tooth decay which may prompt you to visit the dentist. Exposure of nerves after wearing away the enamel of teeth and other delicate tissue inside your teeth can result in a toothache. Painkillers may give you temporary relief but you should not avoid scheduling an appointment with a dentist as soon as possible. The dentist will ensure that tooth decay is completely removed and replaced with a filling. An early visit to the dentist can save you from a lot of trouble in the long run and prolong the life of your teeth

Tooth sensitivity

Teeth sensitivity is the feeling of pain or discomfort that results in response to eating hot or cold food. It happens due to damage to the enamel of your teeth. Nerves in the inner portion of the teeth are exposed and are irritated after eating hot or cold food. It is highly recommended not to ignore tooth sensitivity as a timely visit to the dentist can stop further damage to your teeth.
Booking an appointment with your dentist will help them provide the best solution and relief for your pain.


Tooth discolouration

If you see your teeth turning black or grey, there is a chance of underlying tooth decay. There are multiple causes of tooth discolouration so it is advisable to visit your dentist to find the root cause of this problem so they can provide the right course of action. Plaque on the teeth can be a breeding ground for several bacteria which produce acid and cause brown discolouration and tooth decay.


Visible hole or pit in your tooth

Tooth decay will eventually result in a hole or a pit in your teeth. This is permanent damage to your teeth that needs to be checked by a dentist as soon as possible to prevent further damage to your teeth. A dentist can identify the extent of tooth decay with a simple dental examination or dental X-ray after which the right course of action is planned to minimise further worsening of your tooth decay. If tooth decay is limited to the enamel, a simple filling will do the job. But, if tooth decay has reached the pulp, you may need a root canal treatment after which a porcelain crown may be placed on the affected tooth.


Bad breath

Tooth decay can contribute to a bad smell coming from within the mouth. Decay pockets in your mouth can make it difficult to remove food particles, which eventually contribute to the formation of bad breath. This is why it’s very important to maintain good oral hygiene and schedule regular appointments with your dentist. 


Gold Coast Dental

Although tooth decay is a very common issue among patients, it is preventable by following a few simple preventative tips. Maintaining good oral hygiene, brushing and flossing your teeth regularly and visiting a qualified dentist regularly can keep your mouth and teeth healthy for an extended period of time. Book your appointment with qualified dentists at Oasis Dental Studio to get tooth decay treated and to prevent further issues down the track!


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