Lateral cephalogram with marked points, lines, and angles presented in Table 2. FMA—Frankfort mandibular plane angle, FMIA—Frankfort mandibular incisor plane angle, IMPA—incisor mandibular plane angle, ML line—mandibular line, FH line—Frankfort horizontal line, L1 line—long axis of lower incisor, Z-line—the profile line.