Can cavities cause bad breath or halitosis? Tooth decay occurs when bacteria break down the tooth enamel and dentin, resulting in cavities. The bacteria responsible for cavities can cause bad breath and are, therefore, can be one of the causes of halitosis.
Many don’t know how their diet can be one of the causes of bad breath. Eating a high-protein, low-carb diet can cause your metabolism to change because protein is harder for your body to digest. They tend to release sulfurous gases when they don’t metabolize. To avoid this, eat a more balanced and nutritious diet full of vegetables and herbs.

Tonsil stones are formed when debris, such as food particles and dead cells, gets trapped in the tonsil crevices. The debris can become trapped in the crypts of the tonsils and harden, forming tonsil stones. Some people are more prone to tonsil stones than others, and there are several factors that can increase the risk of developing them.
I have covered this topic extensively on my blog, but here are a few quick tips to get you started.