Table 3.

Total mandibular advance in milimeters

Landmark	Definition
A-point (A)	Deepest point of the maxillary base between the anterior nasal spine and the alveolar crest
B-Point (B)	Deepest point in the concavity of the anterior border of the symphysis
6 s	Mesiobuccal cusp of the upper first molar
Condyle (Co)	The center point of the condyle
Incisor superior (IS)	The most inferior anterior point of the incisal edge of the maxillary incisor
Incisor inferior (II)	The most superior anterior point of the incisal edge of the mandibular incisor
Nasion (N)	Most anterior superior point at the intersection of the nasal bone and the nasofrontal suture in the midsagittal plane
Sella (S)	Center of sella turcica

N Number of patients

SD Standard Deviation

5 patients had overbite of less than 2 mm which didn’t allow to use the fork of 2 mm