Table 2: Previous reports on congenital absence of permanent maxillary canines

Sl. no.		Years		Authors		Prevalence
1.		1937		Dolder E		0.06
2.		1966		Rose		0.12
3.		1977		Bergstorm		0.23
4.		1987		Davis		0.45
5.		2000		Hokari et al		0.26
6.		2004		Fukuta et al		0.18
7.		2004		Polder’s meta-analysis		0.3
8.		2005		Fekonja		2.1
9.		2007		Sismana et al		0.37
10.		2008		Harris and Clark		0.4
11.		2008		Goya et al		0.5
12.		2009		Roza		0.27
13.		2012		Sheikhi et al		1.98 to 2.20
14.		2012		Shetty et al		0