KODAK T-MAT G/RA Dental Film This high-contrast film is designed for use with green-light-emitting KODAK LANEX Screens. And, it provides good detail at up to one-half the radiation exposure of conventional (200-speed) blue-light-sensitive films when used with KODAK LANEX Regular Screens. KODAK T-MAT H/RA Dental Film The best choice for double-film techniques that produce two original radiographs with a single exposure. Designed for use with green-light-emitting KODAK LANEX Screens, this film requires one-fourth the exposure time required by equivalent systems using conventional blue-light-sensitive films. KODAK T-MAT L/RA Dental Film This film is an excellent choice when soft tissue must be visualized and/or exposure control is difficult. This wide-latitude film is designed for use with green-light-emitting KODAK LANEX Screens.