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In Chinese medicine, the teeth are influenced by both the kidneys, which rule the bones, but also the stomach, which has channels running through the mouth. Any redness or infection of the mouth or gums is considered to be pathological heat/inflammation in the stomach channel. The stomach organ system is also responsible for clearing plaque, debris, and excess blood sugar from the body. Both inflammation and plaque can lead to infections and cavities.
We know that vitamin C fights infections, but fruits are also very cooling and hydrating. So you can see how a cooling food would cool the stomach and help the body fight infections, which are often caused or aggravated by pathological heat.
If you are having dental pain, plus cavities, then it sounds like you are dealing with heat in the stomach channel. The moon cools the stomach, and our venus helps remove heat through the kidneys, but of course they are powered by our solar and martian energies, which are the most directly related to health. However, this represents more long-term solutions to your problem.
The quickest way to fix this, in my opinion, is to raise a water energy, like Laguz, and direct to "now" (meaning it is not a permanent fix) remove any pathological heat, infection, or pains from your teeth or mouth, in a fully healthy manner for you. See the energy cooling off the area, directly resolving the issue. It is like an injection of yin-based healing energy that will boost healing right in the problem area.
Do it as much as needed. You don't have to do it every day, but do keep an eye on the problem. Anything with a strong karmic influence will reappear.
Alternatively, or in conjunction to this, you can swish salt water, which has antiviral effects: https://smilingfamilies.com/blog/did-you-know-swishing-with-salt-water-fights-tooth-decay-and-bad-breath/
Lastly, you can pressure the Stomach 44 acupoint, located on the foot: https://www.peakmassager.com/wp-content/uploads/2021/04/neiting-300x200.jpg
If you research the acupoint, you can see that it is indicated to treat dental problems, include inflammation of the mouth and toothache: https://www.americandragon.com/Points/ST-44.html
This should be enough to maintain the problem while you work on increasing wealth. You mentioned earlier that you have some problems with men. Although karma from men extends to both the Sun, Mars, and Saturn energies, the Sun relates to both wealth, health, and fathers.
It may make sense for you to do a long-term working targeted directly at improving your solar energies in a general way, which can solve all 3 of these problems over time. Our solar chakras are the most important chakra, as seen here: https://www.ancient-forums.com/viewtopic.php?f=3&t=76205 therefore, it is highly unlikely that you would be wasting your time with such a working.
Anyway, hope that helps.
PS: Because the Laguz energy can remove inflammation, you can use it to speed the healing of your hands as well.