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

Table 6

Arch wise and gender wise prevalence of spacing.

Site		Normal contacts		No contacts		Overlapping		Spacing > 2 mm		Significance among males and females] value
		Male	Female	Male	Female	Male	Female	Male	Female
Second molar—first molar	Maxilla	2228	2304	16	14	0	0	0	0	Not significant
		99.1	99.4	0.9	0.6	0	0	0	0
	Mandible	2234	2300	10	17	0	1	0	0
		99.4	99.1	0.6	0.8	0	0.1	0	0
First Molar—canine	Maxilla	1926	2012	318	306	0	0	0	0	Significant
		86.1	86.3	13.9	13.7	0	0	0	0
	Mandible	1625	1781	317	536	1	1	1	0
		72.4	76.8	27.4	23.1	0.1	0.1	0.1	0
Canine—lateral incisor	Maxilla	568	701	1630	1561	6	10	40	46	Highly significant
		25.4	30.2	72.5	67.4	0.2	0.5	1.9	1.9
	Mandible	1286	1450	770	626	184	236	4	6
		57.0	62.4	34.6	27.1	8.2	10.2	0.2	0.3
Lateral incisor—central incisor	Maxilla	1329	1424	880	769	34	17	1	8	Highly significant
		59.6	65.4	38.8	33.5	1.5	0.8	0.1	0.3
	Mandible	1438	1421	714	699	90	97	2	1
		64.0	65.6	31.8	30.2	4.1	4.1	0.1	0.1
Between central incisors	Maxilla	883	896	232	253	6	2	1	8	Not significant
		78.7	77.3	20.7	21.8	0.5	0.2	0.1	0.7
	Mandible	734	785	348	312	38	59	2	3
		65.4	67.7	31.0	26.9	3.4	5.1	0.2	0.3