Occlusal Characteristics and Spacing in Primary Dentition: A Gender Comparative Cross-Sectional Study

Table 5

Arch wise prevalence of spacing.

Site		Normal contacts	No contacts	Overlapping	Spacing ≥ 2 mm		Significance; value
Second molar—first molar	Maxilla	4531	30	0	1	1.158	0.763; Not significant
		99.2%	0.7%	0%	0.1%
	Mandible	4534	27	0	1
		99.3%	0.6%	0%	0.1%
First molar—canine	Maxilla	3938	624	0	0	198.963	0.001; Highly significant
		86.3%	13.7%	0%	0%
	Mandible	3406	1152	2	2
		74.6%	25.2%	0.1%	0.1%
Canine—lateral incisor	Maxilla	1270	3190	16	86	1668.084	0.001; Highly significant
		27.8%	70.0%	0.4%	1.8%
	Mandible	2736	1396	420	10
		59.7%	30.9%	9.2%	0.2%
Lateral incisor—central incisor	Maxilla	2853	1649	52	8	99.306	0.001; Highly significant
		62.5%	36.2%	1.1%	0.2%
	Mandible	2959	1413	187	3
		64.8%	30.9%	4.1%	0.1%
Between central incisors	Maxilla	1779	485	8	9	124.711	0.001; Highly significant
		38.9%	10.7%	0.2%	0.2%
	Mandible	1519	660	97	5
		33.2%	14.5%	2.2%	0.1%