Treatment of Class III with Facemask Therapy

Table 1

Comprehensive cephalometric evaluation (sagittal and dentoalveolar).

S. number	Measurements	Normal values	Before treatment	After treatment
1	SNA	80°  ±  2°	80°	84°
2	SNB	80°  ±  2°	84°	82°
3	ANB	2°  ±  2°	−4°	2°
4	Co-Gn-Mandibular length		111 mm	113 mm
5	Co-point A		80 mm	85 mm
6	Na I to Pog	Small −8 to −6	−2 mm	+1 mm
7	I to SN	102°	104°	105°
8	I to PP	720	56°	55°
9	I to MP (IMPA)	90	97°	96°
10	I to NB	25°	34°	33°
11	Interincisal angle	132°	115°	115°
12	I to NA	4 mm	8 mm	6 mm
13	I to Apog	2–4 mm	10 mm	5 mm
14	I to NB	4 mm	9 mm	6 mm