Plaza 410 Dental Associates provides dental services in the Sumner area. Dr. Richard Colton and Dr. Sean Christiansen offer a variety of services, including nitrous oxide sedation, teeth whitening, cosmetic dentistry, endodontic therapy, digital X-rays, implant dentistry, mercury-free dentistry and much more. Both doctors graduated from the University of Washington. Dr. Colton is also a clinical instructor at the University of Washington and Dr. Christiansen is a member of the Academy of General Dentistry, American Dental Association and the Washington State Dental Association. This practice does not accept credit cards or checks, only cash. For more information, contact the office directly.