Dental. Reputation, years in practice, check out if any past or present lawsuits, and someone who treats you with respect, is gentle and answers every question you have without making you feel uncomfortable. You are paying for his/her time and work.
Honesty. Honest with himself, you, anfd thew profession.
Many. Kind & gentle - experience is important as in all things, practice makes a big difference in speed, confidence and results. Dentist who love dentistry and want to stay current on the latest, are prone to go to courses often and have the latest innovations, training and research knowledge. Doctors who choose to provide the best quality for patients. Technology matters in medicine & dentistry.