br Please contact us if you have any questions about your teeth, gums, or dental implants. TEL: 310-320-5661 Address: 23000 Crenshaw Blvd, #202, Torrance, CA 90505 br Dr. Jason Yamada and Dr. John Lo are highly trained periodontists, specializing in dental implant treatment. Between Dr. Yamada and Dr. Lo, they have treated over 20,000 dental implant patients with over a 95 success rate.