Influence of maxillary posterior dentoalveolar discrepancy on angulation of maxillary molars in individuals with skeletal open bite

Progress in Orthodontics

Table 4 Maxillary molar angulation according to maxillary posterior dentoalveolar discrepancy and facial growth pattern

Measurement	Group	Mean	SD	Min	Max	p
Maxillary first molar angulation	OBCIG-PD	79.74	4.69	73.00	89.39	<0.001*
	OBCIG-WPD	88.41	4.19	80.92	92.85	<0.001*
	OBCIIG-PD	74.17	6.15	64.42	86.95	<0.001*
	OBCIIG-WPD	83.67	5.55	72.65	92.35	<0.001*
	OBCIIIG-PD	82.85	5.50	75.58	95.10	0.004*
	OBCIIIG-WPD	89.58	1.94	86.99	92.93	0.004*
Maxillary second molar angulation	OBCIG-PD	71.04	4.99	59.22	78.79	<0.001*
	OBCIG-WPD	82.94	7.75	64.24	90.06	<0.001*
	OBCIIG-PD	61.98	7.80	48.45	74.49	<0.001*
	OBCIIG-WPD	79.27	7.74	62.16	94.56	<0.001*
	OBCIIIG-PD	71.39	7.25	59.27	86.07	<0.001*
	OBCIIIG-WPD	85.59	1.71	83.10	88.36	<0.001*

*Significant based on T Test
OBCIG open bite class I group, OBCIIG open bite class II group, OBCIIIG open bite class III group, PD posterior discrepancy, WPD without posterior discrepancy