Award Winner: Dr. R. Bruce Cochrane. DoctorCochrane.com in Iowa. Patients naturally want to keep their teeth, but when three dentists tell you that your gum disease is so advanced that you can’t save them, it’s good news to find a periodontist who can help. Dr. Bruce Cochrane was the treating dentist and he received an award for excellence in case study for his efforts to save this patient’s teeth. The patient first came to Dr. Cochrane’s office in January 2015 with bleeding