Table 3 Prevalence of dental anomaly by type of dentition
Dental hard-tissue anomaly | Number of primary tooth affected by lesion | Number of permanent tooth affected by lesion | *Prevalence of lesion |
|---|---|---|---|
N = 23,591 | |||
n = 16,456 | n = 7,135 | ||
Hypoplastic enamel | 371(2.3%) | 254(3.6%) | 625(2.7%) |
Dens evaginatus | 57(0.3%) | 60(0.8%) | 117(0.5%) |
Macrodontia | 0(0.0%) | 34(0.5%) | 104(0.4%) |
Peg-shape lateral | 8(0.05%) | 16(0.2%) | 24(0.1%) |
Microdontia | 13(0.08%) | 9(0.1%) | 22(0.09%) |
Supernumerary | 2(0.01%) | 2(0.03%) | 4(0.02%) |
Fusion/Gemination | 4(0.02%) | 0(0.0%) | 4(0.02%) |
Supplemental | 2(0.01%) | 1(0.01%) | 3(0.01%) |
Talon cusp | 0(0.0%) | 3(0.04%) | 3(0.01%) |
Mesioden | 0(0.0%) | 1(0.01%) | 1(0.004%) |
Dens invaginatus | 1(0.006%) | 0(0.0%) | 1(0.004%) |
Transposition | 0(0.0%) | 2(0.03%) | 2(0.008%) |
Notch-shape incisor | 0(0.0%) | 4(0.06%) | 4(0.02%) |
Hypodontia | 0(0.0%) | 0(0.0%) | 0(0.0%) |
Total | 458(2.8%) | 386(5.4%) | 844(3.6%) |