Are there any general hints you may need root canal or extraction? teeth aren't cracked yet but turning yellowish grey and minor crack. going on mon.

A few ideas: Root canal treatment usually for decay that is close or into nerve of tooth. Extraction for non-restorable tooth, or when cost of restoration is prohibitive.

Don't try: Don't try to guess what treatment would be indicated or needed. You'll find out soon enough once your dentist takes some x-rays and clinically examines your tooth.

Visit The Dentist: There is a strong link between good oral health and a person’s overall well being. Visiting your dentist twice a year will help make your teeth healthy.