Dr. David Russell, veterinary dentist, will present Recognition and Prevention of Dental Disease in Pets in McElroy Hall Auditorium. McElroy Hall is located at the corner of McFarland and West Farm Road on OSU’s Stillwater campus. There is no charge to attend. The American Veterinary Dental Society reports that 80 percent of dogs and 70 percent of cats show signs of oral disease by age three. Dr. Russell will discuss signs to watch for and how owners can protect their furry family members.