A patient receives care at a Creighton University dental clinic. The Omaha-based university's dental school is one entity to receive a bite of Nebraska's portion of the $50 billion the federal government plans to distribute among all states over five years to help offset harm to rural areas due to sweeping cuts to Medicaid. (Courtesy of Creighton University) OMAHA — Omaha Creighton University’s dental school has been awarded a $4.6 million grant…