Newark, NJ -His son’s first fainting episode happened two years ago in June, Rene Del Grosso remembers. His concern grew with each recurrence, heightened by the fact doctors couldn’t pinpoint a cause.

It took four months for tests to reveal it was a form of endocarditis, an often slow-developing inflammation of the inside lining of the heart chambers and heart valves.

More troubling, the source was a Morris County dentist who, according to an investigation by the state Department of Health, has been linked to heart infections in at least 14 other patients, most of whom had to undergo heart surgery and one of whom died. The dentist, John Vecchione, is still allowed to practice under terms of a consent order signed last month.

The Del Grossos were an unwitting catalyst to the Vecchione investigation, said James Lynch, an attorney representing the Jefferson Township family. An infectious disease specialist at Morristown Memorial Hospital who examined Ryan Del Grosso in the fall of 2014 realized he had seen another patient with a similar diagnosis who also had had oral surgery performed by Vecchione.... Read More: VIN