Conventional medicine refers to established techniques used in medical practice. Your family doctor, if you live in a developed nation, will typically practice conventional medicine.

There are some conventional medical treatments used to treat a broken back. Surgery is usually the first thing done, followed by complete bed rest for a period decided by your doctor.

A medicine or remedy in conventional use which has not been proven to have any desirable medical effects

Scientific medicine.

Doctor of Naturopathic Medicine is an academic degree in naturopathic medicine.

The person is trained in naturopathy.

Naturopathy means curing a person without using conventional medicines, and let nature takes its own course in curing/healoing a body.

Conventional medicines are not the only medicines available in medical community. ND is a medical doctor.