Tooth loss due to orofacial trauma could alter mastication, speech, and aesthetics of the patient which affect the patient's quality of life. After the acute phase of trauma has ended, further treatment is to restore the function and aesthetics by using protheses. Some treatment options are available, one of them is removable partial denture (RPD). Materials of RPD vary from cast metal, acrylic resin with metal clasp, and flexible thermoplastic resin. Cast metal and acrylic resin RPDs include a rest component to transfer the occlusal load toward the axis of abutment tooth, in order to provide support. Meanwhile, flexible partial denture has no rest components, which makes this prothesis lack of support. This condition may in turn affects the periodontal tissue. This article aims to restore the ideal design of RPD by using rest components to maintain periodontal health. A 23-year-old patient complains that her previous denture does not feel comfortable. She wore flexible removable denture for the past 5 years after she got an accident that makes her lost 3 of her teeth. From the objective examination, she lost 23, 24, and 25 teeth. Gingival recession was seen in tooth 26, bone resorption was seen in mesial tooth 26, negative palpation, inter occlusion was fine. The diagnosis of the patient is Edentulous Class III Kennedy. The treatment is redesigning the RPD into acrylic resin with clasp. The result is that this new prothesis functions well in patient. In conclusion, ideal design of RPD results more benefits for periodontal tissue.