Please tell me if i need to go to a dentist for cavities and root canals?

Really?: Only if you want to keep them and avoid an infection that can spread to your body.

Yes: If you want to have your cavities taken care of and root canal treatment performed, a trained dentist with a degree from a dental school or university would be the person best qualified to provide treatment.

DIY Dental Care ?: It's not realistically possible. Please call a local dentist and have yourself treated.

Definitely, yes: If not treated, tooth decay can cause pain, infection, and tooth loss, gum disease and general health complications. Call a dentist ASAP.

YES: If you care about your body, your health and your life, you need to have your medical and dental needs periodically evaluated and receive the appropriate treatment.