According to JADA, Jan. 2015 , the cover story refers to the New Guidelines on Using Prophylactic Antibiotics. The article concludes that the 2014 Panel made the following recommendations. Generally patients with prosthetic joint implants , prophylactic antibiotic coverage in NOT recommended prior to dental procedures in order to prevent a prosthetic joint infection ( PJI ). The article does recommend that the practitioner and patient should consider clinical situations that may present significant medical risks in providing dental treatment without antibiotic prophylaxis.
It does conclude that the doctor and patients needs should be their decision in approaching the patient care. Further considerations patients can develop antibiotic resistance to repeated exposure to antibiotics. Some patients , can have an adverse drug reaction, long term can be associated with changes to the gastrointestinal linings. Finally, cost !!! According to a 2013 report , prophylactic coverage using amoxicillin before dental appointments in the United States may have exceeded $50 million.  Be sure to always update your medical history when visiting the Dentist.