I'm sorry to hear that you're not feeling well due to your teeth. If you need to miss your class tomorrow and your roleplay presentation, you should consider contacting your professor as soon as possible to let them know.
When you contact your professor, it's important to be honest and explain the situation as clearly as possible. You can let them know that you're experiencing dental pain and that you don't feel well enough to attend class or give your presentation.
In addition, you should also ask your professor if there are any alternative arrangements that can be made, such as rescheduling your presentation or submitting it in written form. This way, you can still fulfill your academic responsibilities without compromising your health.
Remember that your health should always come first, and your professor will likely understand your situation and be willing to work with you to find a solution.