Hello. i have been having testicular pain in the right testical for around a month. i think i may also have a tooth infection. could this be the cause?

Highly unlikely: Testicular pain is always a cause for concern, particularly in a young male with no previous medical history. You would need to do a self testicular examination and if the right testes feels lumpy or abnormally hard at certain places, then you would know that there is a problem. Tumor, epidydimitis and testicular torsion are three things that would need proper diagnosis and treatment ASAP.