If the cause is a migraine, then taking drugs for pain management could be recommended by your doctor. This is where using CBD oil or other CBD products might come into play. However, just like with odontogenic pain, we recommend you ask for the opinion of your dentist since using CBD products might cause unforeseen side effects or interfere with the current state of your dental health.
Dental Pulpitis or more commonly known as toothache is caused by an infection that affects your tooth’s pulp which contains blood vessels and nerves. Additionally, dental pulpitis can also be caused by inflammation either thermal changes and chemical substances.
Based on an article  published in the International Journal of Dentistry, Alveolar Osteitis or dry socket is a common and well-known problem that a lot of dentists encounter especially after the removal or extraction of a tooth. This leads to many problems and is known to cause severe pain.
Pain-relieving drugs and substances can help stop tooth pain.
An article  published in the Journal of Clinical and Experimental Dentistry states that pericoronitis is a condition seen in a lot of teens and adults with its development caused by many different factors.
Additionally, when you use CBD for toothaches, you might be able to prevent gum disease caused by bacteria like periodontitis. A study about the effectiveness of CBD on rats with periodontitis  shows positive results as the rats that were given CBD showed less inflammation, pro-inflammatory cytokine production and fewer chances of gum disease, and better gum health.
Cannabinoids in particular aren’t perfect and they are known to harbor some side effects. According to the DOH  (Department of Health) CBD can lead to side effects like:
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Cannabidiol, also known as CBD, is a chemical extracted from hemp plants that doesn’t give you a high and can be used for pain relief. While there have not been many tests or studies done on using CBD oil for oral pain, you can still try using it to see if it works for you. Start by choosing a high-quality CBD oil product for the most effective treatment. After that, apply the oil directly to your tooth or swallow the product to start feeling relief. Just be sure to talk to your doctor before starting CBD and discuss long-term treatment with your dentist!