The Henahan (top) and Seldin (bottom) retractors are broader instruments that provide broader retraction and increased visualization. B Fig. 7.9 (A) The Weider retractor is a large retractor designed to retract the tongue. The serrated surface helps engage the tongue so that it can be held securely. (B) The Weider retractor is used to hold the tongue away from the surgical field. The Austin retractor is used to retract the cheek. @LibraryEDent نﺎﻧﺳﻷا بط ﺔﺑﺗﻛ