Managing Long-term Orofacial Contractures and Microstomia Through Intraoral Stretching

Microstomia and orofacial contractures continue to garner interest regarding the effectiveness of treatment methodologies utilized to impact functional change. Oral splints are an accepted tool in the management of microstomia. However, the concepts of which oral splints to use, timing of initiation, and duration of treatment have not gained a consensus. This article reviews approaches to oral splinting and an alternative intraoral approach using splints designed to provide a graded, low load, multidirectional, and prolonged stretch specifically in facial burn survivors including those with mature scars. Two participants participated in a trial using oral splints placed inside the mouth at established contracture points. Participants were requested to use the splints for 1 h twice daily. Participants were photographed weekly producing 9 facial expressions, and distance between 13 facial landmarks was measured to evaluate change in tissue length. Numerical changes observed from beginning to end of the trial indicate positive and negative alterations, signifying lengthening or shortening of tissue. Negative changes denote reduction in distance between endpoints, while positive changes signify an increase. Participants verbalized functional improvements in oral motor and psychosocial function posttreatment. To date, oral splints can be custom fabricated for each individual patient. However, few oral splints are created to provide multidirectional stretch focusing on problem areas across the mid and lower face. The intraoral splints and regimen described here have the capability of providing a stretching intervention that could be applicable in various stages of burn recovery.