Severity of Occlusal Disharmonies in Down Syndrome

Table 5

Number and percentage of impacted teeth by group.

No. Tooth	DS	Control 1	Control 2
UR5	1 (3.3%)	1 (3.3%)	0
UR4	2 (6.7%)	0	0
UR3	4 (13.3%)	3 (10%)	1 (3.3%)
UR2	1 (3.3%)	0	0
UR1	0	1 (3.3%)	0
UL1	0	0	1 (3.3%)
UL2	2 (6.7%)	0	0
UL3	4 (13.3%)	4 (13.3%)	3 (10%)
UL4	1 (3.3%)	0	0
UL5	1 (3.3%)	1 (3.3%)	0
LL3	0	0	1 (3.3%)
LR3	1 (3.3%)	0	0