My tooth looks cracked. Should I be worried? Not all cracks are the same. Some teeth with cracks need treatment and some do not. Your dentist is trained to find and manage cracks in teeth. If a tooth has a crack and it is causing pain, this needs to be treated by a dentist. If your dentist finds a crack but it is not causing any trouble, they can give you advice on what should be done. This advice may be to just keep an eye on the crack. Small cracks in tooth enamel may affect how your teeth loo