Instruct the patient to brush the implant(s) twice daily to remove bacterial plaque with a low-abrasive dentifrice. A soft toothbrush should be used; options include a manual brush, electric, or sonic brush (examples include Oral-B Triumph, Sonicare, and Waterpik Sensonic Plus), Sulcabrush, or end-tuft brush.
Proof of concept (PoC) is a realization of a certain method or idea in order to demonstrate its feasibility, or a demonstration in principle with the aim of verifying that some concept or theory has practical potential. [citation needed] A proof of concept is usually small and may or may not be complete.
A PJC is a supraventricular extrasystole that origin in the AV node. It's correct what Itdood writes, a PJC is conducted through the His bundle and activates both ventricles at the same time. For all practical purposes, a PJC is similar to a PAC.