Tooth agenesis and craniofacial morphology in pre-orthodontic children with and without morphological deviations in the upper cervical spine

Table 3 Significant associations tested for age and gender effect between tooth agenesis and craniofacial morphology in the total group

	n-s-ba	ML/RLar	s-n-pg	ss-n-pg	NSL/ML	Overjet	Overbite
Multiple ageneses		0.19a				-0.23a	-0.25b
Agenesis of incisor				-0.24bc
Agenesis of premolar	0.23b			0.22a
Agenesis of molar			0.25b	-0.23a	-0.21a

^aP < 0.05, linear regression;

^bP < 0.01, linear regression;

^cP < 0.05 gender effect. NSL: Nasion-Sella line; ML: Mandibular line.