Gov. Greg Abbott on Thursday named six to the State Board of Dental Examiners. Diane Garza of Brownsville was named to a term to expire Feb. 1, 2017; Bryan Henderson II of Dallas, Jorge Quirch of Missouri City and Rich Villa of Austin were named to terms to expire Feb. 1, 2021. He reappointed Renee Cornett of Austin and David Tillman of Aledo to terms to expire Feb. 1, 2021. He also named Steve Austin of Amarillo the new chairman of the board.