Table 1 Detailed dataset splitting specification with sample counts.
Pathology class | Training count | Validation count | Test count | Total | Patient ID ranges | Stratification key |
|---|---|---|---|---|---|---|
Dental caries (early) | 1050 | 225 | 225 | 1500 | DC_E_001-1500 | Age + severity |
Dental caries (advanced) | 1260 | 270 | 270 | 1800 | DC_A_001-1800 | Age + location |
Periodontal disease | 1470 | 315 | 315 | 2100 | PD_001-2100 | Severity + site |
Apical periodontitis | 1190 | 255 | 255 | 1700 | AP_001-1700 | Tooth type + stage |
Root resorption | 1120 | 240 | 240 | 1600 | RR_001-1600 | Type + severity |
Dental fractures | 1330 | 285 | 285 | 1900 | DF_001-1900 | Location + type |
Impacted teeth | 1400 | 300 | 300 | 2000 | IT_001-2000 | Position + angle |
Bone pathology | 1050 | 225 | 225 | 1500 | BP_001-1500 | Location + type |
Cysts/tumors | 980 | 210 | 210 | 1400 | CT_001-1400 | Size + location |
Orthodontic issues | 1540 | 330 | 330 | 2200 | OI_001-2200 | Type + severity |
TMJ disorders | 1190 | 255 | 255 | 1700 | TMJ_001-1700 | Classification |
Developmental anomalies | 1260 | 270 | 270 | 1800 | DA_001-1800 | Type + severity |
Total | 17,500 | 3750 | 3750 | 25,000 | Complete range | Multi-factor |