Use of a Modified Nance Appliance for Esthetic Rehabilitation of a Child Patient with Rare Nonfamilial and Nonsyndromic Oligodontia

Table 1

The prevalence of congenitally missing teeth in the different regions of Saudi Arabia.

S No.	Author name & year	Prevalence	Region
1	Tariq Alswayyed et al. (2018) [22]	33.7%	Riyadh
2	Tareq et al. (2017) [23]	7.42%	Aseer
3	Sajjad et al. (2016) [24]	6.1%	Al-Jouf
4	Yassin et al. (2016) [25]	9.7%	Abha
5	Vani et al. (2015) [26]	5.2%	Jazan
6	Al-Jabaa and Aldrees (2013) [27]	20%	—
7	Ghaznawi et al. (1999) [28]	9.41%	—
8	Salama and Abdel Megid (1994) [29]	2.6%	—