Surgical Orthodontic Treatment of a Patient Affected by Type 1 Myotonic Dystrophy (Steinert Syndrome)

Table 2

Arnett-Bergman soft tissues analysis before surgery.

	Case	Norm
Facial angle	149.3	165–173°
Nasal projection	12.6	13–18 mm
Nasolabial angle	98.8	94–110°
Lower face height	99	57–74 mm
Lower face%	56.2	53–56%
Upper lip length	14.9	F 18–22
		M 22–25 mm
Maxillary sulcus	126.8	127–147°
Upper lip protrusion	8.4	3 ± 1 mm
Interlabial gap	36.3	1–5 mm
Lower lip-chin length	48.4	F 43–50
		M 45–54
Mandibular sulcus	132	110–134°
L. lip protrusion	17.9	2 ± 1 mm
B'-SnPg' line	7.1	4 ± 1 mm
Lower face-throat angle	13.4	96–110°
Throat length	85.4	51–63 mm