Answers:
BECAUSE OF THE POSSIBILITY OF GETTING BACTERIAL ENDOCARDITIS (A SERIOUS HEART INFECTION), YOU SHOULD ALWAYS BE PREMEDITATED WITH 2 GRAMS OF AMOXICILLIN OR 1GRAM OF CLINDAMYCIN 1 HOUR PRIOR TO HAVING ANY DENTAL TREATMENT.
ONE DOSE THE DAY OF TREATMENT IS SUFFICIENT EVERY TIME YOU HAVE TREATMENT.
The protocol for prophylactic antibiotics is currently undergo some change, but if your knees replacement be inwardly the ultimate 5 years I believe that it is still universally recommended to pre-medicate.
We narrate our patients to premed for the rest of their lives. Some surgeons(that do the knees replacements) are describing patients that after one to two years within is no longer a call for to premed. We quality it is better to be undamaging...than sorry.
(The premed guidelines, that we are just this minute aware of that are shifting are for those patients beside heart murmurs)