Forward Citations = 3,235
Company Filing History:





Preventamedics LLC
4. 2 out of 79

5. 1 out of 831,952 patents
Other
where one patent can have more than one assignee
Sumita Mitra, born on February 27, 1949, is an National Inventors Hall of Fame (NIHF) Inductee and a chemist renowned for her groundbreaking work in dental materials. While at 3M Oral Care, she invented the first dental filling material to incorporate nanoparticles. The resulting composite, Filtek™ Supreme Universal Restorative, mimicked natural teeth, exhibited superior strength, and had excellent polish retention. This innovation transformed restorative dentistry, preserving natural tooth structure without mercury concerns. Mitra’s legacy endures as a visionary who revolutionized dental care worldwide.
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