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

pd4dPD4D Quad Dital Decoder • Four H.264MPEG-2 HDSD decoders in one unit with ASI input and IP inputs • Decodes standard MPEG formats including HD 1080i, 720p, 480p,PD4D is used for endodontics, to remove calcification in the coronal third of the root canal, diamond coated. PD1 is used for Periodontics, periodontal scaling.