Below you can find the This drug first synthesized in 1905 is now less common as a dental anesthetic than lidocaine Jeopardy Words Answer. The answer to This drug first synthesized in 1905 is now less common as a dental anesthetic than lidocaine has 8 letters. This clue belongs to the Drugs category and is part of Jeopardy Word Level 2391. If you scroll near the bottom you will find other clues and answers part of level 2391