(a) The Pd4d valence states are fitted using two peaks due to

pd4dThe PD4D is quad dital input MPEG4 decoder. Decodes standard MPEG formats including HD 1080i, 720p, 480p and numerous SD formats including 720704x480i. Four independent HDPD4D is used for endodontics, to remove calcification in the coronal third of the root canal, diamond coated. PD1 is used for Periodontics, periodontal scaling.