Treatment of an Adult Skeletal Class III Patient with Surgically Assisted Rapid Palatal Expansion and Facemask

Table 1

Cephalometric measurements.

	Pretreatment	Posttreatment
Skeletal (vertical analysis)
FH-SN (°)	6.4	4.0
MP-SN (°)	42.4	39.0
Sum of angles (Jarabak) (°)	402.4	399.0
S-Go/N-Me (%)	57.7	624
Skeletal (sagittal analysis)
SNA (°)	77.7	79.3
SNB (°)	78.3	77.3
ANB (°)	-0.6	2.0
Wits appraisal (°)	-5.0	0.6
Dental
U1-SN (°)	99.3	107.6
IMPA (°)	85.9	90.3
Interincisal angle (U1-L1) (°)	132.4	123.0
U1-NA (mm)	5.8	7.4
L1-NB (mm)	5.8	7.9
Soft tissue
Upper lip to E-plane (mm)	-4.4	-2.3
Lower lip to E-plane (mm)	0.4	-0.1
Nasolabial angle (Col-Sn-UL) (°)	103.3	91.1

FH-SN: angle between Frankfurt horizontal line and sella-nasion plane; MP-SN: angle mandibular plane (MP) and sella-nasion plane; S-Go/N-Me: the ratio of length sella-gonion to nasion-menton; SNA: sella-nasion-A point; SNB: sella-nasion-B point; ANB: A point-nasion-B point; U1-SN: upper incisor to sella-nasion plane angle; IMPA: lower incisor to MP angle; interincisal angle: angle between the mandibular and maxillary incisors; U1-NA: distance from upper incisor to NA line; L1-NA: distance from lower incisor to NA line.