Complex sentence: The University of Pittsburgh School of Dental Medicine, located in Pittsburgh, PA, is one of Pitt's six schools of the health sciences and is closely affiliated with the University of Pittsburgh Medical Center.
Split into simpler sentences: The University of Pittsburgh School of Dental Medicine is the dental school of the University of Pittsburgh (Pitt). It is one of Pitt's six schools of the health sciences and is closely affiliated with the University of Pittsburgh Medical Center.