United States securities and exchange commission logo October 6, 2020 B. Sonny Bal, M.D. President and Chief Executive Officer Sintx Technologies, Inc. 1885 West 2100 South Salt Lake City, Utah 84119 Re: Sintx Technologies, Inc. Registration Statement on Form S-3 Filed October 2, 2020 File No. 333-249267 Dear Dr. Bal: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Jeffrey Gabor at 202-551-2544 with any questions. Sincerely, Division of Corporation Finance Office of Life Sciences cc: Kevin J. Ontiveros, Esq.