A former guard at the Richard J. Donovan Correctional Facility in Otay Mesa who accepted bribes in exchange for smuggling a gold-and-diamond dental grill into the prison for an inmate was sentenced Thursday to two years in prison.
 A former guard at the Richard J. Donovan Correctional Facility in Otay Mesa who accepted bribes in exchange for smuggling a gold-and-diamond dental grill into the prison for an inmate was sentenced Thursday to two years in prison.