Anomaly
CLP
non-CLP
p-
value
n
%
n
%
Hypodontia
133
57.6
17
7.4
<0.001***
Supernumerary
23
10.0
6
2.6
0.0017**
Taurodontism
20
8.7
10
4.3
0.088
NS
Double tooth
1
0.4
1
0.4
-
Dens evaginatus
3
1.3
0
0
0.248
NS
Microdontia
98
42.4
2
0.9
<0.001***
CLP = cleft lip and palate
* = p<0.05;
** = p< 0.01;
*** = p< 0.001;
NS = not significant
Table 2:
The number and percentage of dental anomalies in 231 CLP and 231 non-CLP southern Chinese children
