The most commonly seen undesirable alterations to the occlusal plane, when using monoplane occlusion with nonanatomic teeth, have been outlined verbally and graphically. The introduction of dislodging forces to denture retention brought about by these variations in the monoplane have been examined, as well as methods for their correction. The order of presentation of undesirable alterations to the occlusal plane is a guide for a step-by-step correction of these changes. It provides the practitioner with a sequential checklist for correcting undesirable occlusal changes in monoplane denture occlusion with nonanatomic teeth.