Efficacy of invisible advancement correction for mandibular retraction in adolescents based on Pancherz analysis

Figure 4 Changes in coverage relationship and proportion of dental and skeletal effect after mandibular advancement treatment. According to calculation and measurement, the proportion of skeletal factors in the total sagittal displacement overjet is 58.7%, the proportion of dental factors is 41.3%. Minus (“-”) indicates the position moves backward, positive value indicates the position moves forward.