Infective endocarditis associated with orthodontic treatment: a case report.

A case of acute bacterial endocarditis associated with orthodontic treatment is described and the problems associated with orthodontic treatment for 'at risk' patients are discussed. The American Heart Association recommendations for orthodontic patients are summarized, and the general recommendations of the Endocarditis Working Party of the British Society for Antimicrobial Chemotherapy are appended.