Text, illustrations, and exercises are utilized in this set of four learning modules designed to instruct non-professional dental personnel in selected job-related skills. The first module, by Gary E. Hayes, describes how to locate the hinge axis point of the jaw, place and secure a bitefork, and perform a facebow transfer. The second module, "Oral Hygiene and Denture Care of an Edentulous Patient" by Marion McCullough, prepares the student to teach a denture patient how to discover and remove materia alba and bacterial plaque from the oral cavity and from dentures. The third module, by Wesley Wallace, describes how to properly replace the drive belt of an engine arm and handpiece dental unit. The belt of an engine arm and handpiece dental unit. The four module, by Clinton L. Nelson, teaches the student to properly mix zinc phosphate cement for cementation of a fixed dental appliance. Each of the illustrated modules outlines specific behavioral objectives, describes and illustrates procedures, provides sequential reinforcement exercises with immediate feedback, and concludes with a post-test and an accompanying answer key. The time required to complete the modules ranges from 20 to 50 minutes. (JP)