Jason Chang DDS. PLLC. You should note PLLC. Professional Limited Liability Company. Google it. I have been going to this practice for over forty years. I have seen three dentists in that practice during that time. Jason Chang being by far the worst. He is young, has many high-tech machines and inexperienced at operating them. He does many things. Orthodontics, Lasers, CAD/CAM crowns, Dental Implants, (oh please no). Going to Jason Chang for a implant is dental suicide. I signed away my rights for my orthodontic work right at the start. (use caution I really thought it would be OK). First I had orthodontic work done ($700.00) to try to pull the teeth together to make everything look esthetic. It was a disaster Jason Chang could not solve. I had two bottom front teeth re-crowned. Once the teeth started moving he could not stop them even with massive glue and multiple retainers. (I still have glue on my bottom incisors). Then the CAD/CAM crowns, when he removed my old crowns my gum tissue was in the way of the new crowns. So he removed it with a laser. Anyone who has problems with gum tissue reduction know it will never grow back without a gum graph. So he makes me two crowns on his Cerec CAD/CAM machine and it looks like two fake pieces of porcelain with gum recession. ($1600.00) I had the crowns re-done at a dentist that uses a lab (2400.00 out of my own pocket) with custom color matching, gum countering and a real orthodontist for a removable retainer. Things are 100% better now. I wasted a year of my life stressing over Jason Changs poor dental work I will never be back.