| 
 
   | Variables |  | Mental Retardation | Autism | Downs syndrome | Cerebral palsy | Others | P value |  
   | n (%) | n (%) | n (%) | n (%) | n (%) |  
   | Fractured teeth | Present | 21 (12.5) | 0 | 3 (10) | 6 (40) | 12 (57.1) | >0.05 |  
   | Absent | 147 (87.5) | 24 (100) | 27 (90) | 9 (60) | 9 (42.9) |  
   | Malocclusion | Class 1 | 108 (64.3) | 9 (37.5) | 16 (56.7) | 7 (46.7) | 9 (42.8) | <0.05* |  
   | Class 2 | 14 (8.3) | 8 (33.3) | 0 (0) | 6 (40) | 6 (28.6) |  
   | Class 3 | 18 (10.7) | 0 (0) | 12 (40) | 0 | 0 |  | 
  
    | *p< 0.05 is considered significant | 
  
    | Table 2: Distribution of malocclusion and fractured teeth by type of disability |