Oregon dental malpractice expert witnesses assess whether dental care met accepted clinical standards and how departures affected outcomes. They often come from general dentistry, oral and maxillofacial surgery, endodontics, and periodontics in private practices and hospital-based clinics. Many are familiar with referral patterns through OHSU and Portland-area specialty networks. They commonly evaluate diagnosis delays, anesthesia and sedation safety, infection control, nerve injury, and implant or extraction complications.