Supernumerary Teeth in Nepalese Children

Table 3

Summary of various studies carried out on supernumerary teeth in different populations.

Authors	Sample size	Country	Age	Method	Prevalence	Male : female ratio
Present study	2864	Nepal	6–14 years	Clinical examination and radiographs	1.60%	1.3 : 1
Gábris et al. (2006) [12]	2219	Hungary	15–20 years	Radiographs	1.53%	1.4 : 1
Tyrologou et al. (2005) [13]	97 children with mesiodens	Sweden	3–15 years	Clinical examination and radiographs	—	2 : 1
Rajab and Hamdan  (2002) [2]	152	Jordan	5–15 years	Clinical examination and radiographs	—	2.2 : 1
Liu  (1995) [14]	112 (premaxillary region)	Taiwan	4–14 years	Clinical examination and radiographs	—	2.8 : 1
von Arx  (1992) [15]	90 (anterior maxilla)	Switzerland	6–10 years	Clinical examination and radiographs	—	2.6 : 1
Bodin et al.   (1978) [16]	21,609	Sweden	—	—	1.6%	1.7 : 1
Brook  (1974) [17]	1331	United Kingdom	11–14 years	Clinical examination and radiographs	2.1%	1.4 : 1
Yusof (1990) [3]	48,550	USA	Average 40 years	Radiographs	0.91%	—
Küchler et al. (2011) [18]	1166	Brazil	6–12 years	Clinical examination and radiographs	2.3%	1.45 : 1
Simoes et al. (2011) [19]	1719	Brazil	4–14.5 years	Radiographs	1.7%	—
Celikoglu et al. (2010) [20]	3491	Turkey	12–25 years	Radiographs	1.2%	1.8 : 1