1. Experience 

 As it is well known that experience makes a man expert. So, always look for the experience your dentist have. For that you can visit at their website or can contact at their office. 

Experienced dentist can make you feel relaxed and your treatment can be done in a better and more comfortable way. 

2. Specialization

There are 9 specialization in dentistry like ORTHODONTICS(braces specialist), Endodontics & conservative dentistry (Covers RCT root canal treatment and fillings), Prosthodontics (Covers artifical teeth), Paedodontics(Kids dentist), Oral surgeon (Oral surgery), Paeriodontist (gum expert) and others.

3. Facilities in Dental clinic

Clinic should be well ventilated.

Outside view makes you anxiety free and more calm.

Should be hygenic with autoclave machine for instrument sterilization. 

Autoclaves have ability to make instruments 100 percent germ free. 

   4. Treatment charges 

The early and regularly  you go to the dentist the less you have to pay. Teeth always gives you sign before it damages completely. Never ignore those signs. 

Initial signs of decay are sensitivity to sweet and cold. Most of the people use desensitizing tooth pastes to relieve those symptoms, which actually hide the underlying problem and signs given by the body. Instead one should visit to a dentist and get the initial treatment of tooth filling which can be done under 2000 INR.

If the signs get ignored and problem disappears due to self medication tooth may need extensive and expensive treatment which can cost you around 10000-15000 INR.

For cheaper options one can choose Charitable Dental Clinic nearby. 

5. Distance 

Choose nearby dentist to avoid traffic and fatigue. In dental emergency nearby dentist will help you a lot.