To recheck centric relation in complete denture.. Ask PT to place tip of tongue in posterior area and close To recheck centric relation in complete denture: a. Ask PT to w and close. b. Ask PT to place tip of tongue in posterior area and close.*** c. To wet his lip and tongue. d. All of the above. Share This: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook