Pain when biting on a tooth, also known as occlusal pain, can be caused by various dental issues. It's essential to identify the underlying cause of the pain in order to address it appropriately.

It is important to note that a proper diagnosis can only be made by a qualified dental professional after a thorough examination.

Here are some common reasons for toothaches:

1. Dental Decay: One of the most common causes of toothaches is dental decay (cavities). When bacteria in the mouth produce acids that erode the tooth's enamel, it can lead to sensitivity and pain.

It is important to note that a proper diagnosis can only be made by a qualified dental professional after a thorough examination.

Here are some common reasons for toothaches:

1. Dental Decay: One of the most common causes of toothaches is dental decay (cavities). When bacteria in the mouth produce acids that erode the tooth's enamel, it can lead to sensitivity and pain.