<prompt> A 40 year old male patient complains of decayed teeth. Class II cavity preparation was done under rubber dam isolation. Who introduced this method of isolation in dentistry?Sanford BarnumS. S. WhiteDelous PalmerJones and Reid  <response>: In 1864, S.C. Barnum, a New York City dentist, introduced the rubber dam into dentistry.Reference: Sturdevants Art and Science of Operative Dentistry, Mosby, 4th Edition, Page No: 445 