pd4dThis 19 inch, 1-RU size for standard rack mounting PD4D quad dital decoder is four MPEG4MPEG2 HDSD decoders in one unit with ASI and IP inputs. The PD4D’s independent HD-compatible component video outputs and stereoPD4D is used for endodontics, to remove calcification in the coronal third of the root canal, diamond coated. PD1 is used for Periodontics, periodontal scaling.