A 13-year-old boy declared brain dead after the spread of an infection following a dental procedure was taken off a ventilator on Thursday, and his heart and other organs stopped soon after, a hospital spokeswoman said. The mechanical ventilator for Teron Francis was turned off at the request of his family shortly before 5 p.m., Montefiore Children's Hospital spokeswoman Pamela Adkins said. The boy's heart and other organs stopped by 5:05 p.m. ``Our hearts go out to the family, and we hope they will be allowed to find peace,'' the hospital said in a statement. Teron was declared brain dead...