Nolla Stages   | 
        UR  | 
        UL  | 
        LR  | 
        LL  | 
       
      
           | 
           | 
        For age group 16-22    years  | 
           | 
       
      
           | 
        N  | 
        Mean 
          (95%CI)  | 
        SD  | 
        N  | 
        Mean 
          (95%CI)  | 
        SD  | 
        N  | 
        Mean 
          (95%CI)  | 
        SD  | 
        N  | 
        Mean 
          (95%CI)  | 
        SD  | 
       
      
        0  | 
        31  | 
        19.12 
          (18.53-19.71)  | 
        1.60  | 
        22  | 
        19.04 
          (18.35-19.72)  | 
        1.55  | 
        13  | 
        18.69 
          (17.72-19.66)  | 
        1.60  | 
        13  | 
        18.76 
          (17.77-19.76)  | 
        1.64  | 
       
      
        1  | 
        --  | 
        --  | 
        --  | 
        --  | 
        --  | 
        --  | 
        --  | 
        --  | 
        --  | 
        --  | 
        --  | 
        --  | 
       
      
        2  | 
        --  | 
        --  | 
        --  | 
        --  | 
        --  | 
        --  | 
        --  | 
        --  | 
        --  | 
        --  | 
        --  | 
        --  | 
       
      
        3  | 
        1  | 
        17.00 
          (-)  | 
        --  | 
        2  | 
        18.00 
          (15.29-21.70)  | 
        1.41  | 
        1  | 
        16.00 
          (-)  | 
        --  | 
        1  | 
        16.00 
          (-)  | 
        --  | 
       
      
        4  | 
        6  | 
        18.83 
          (16.79-20.87)  | 
        1.94  | 
        4  | 
        18.50 
          (14.71-22.28)  | 
        2.38  | 
        4  | 
        17.75 
          (14.22-21.27)  | 
        2.21  | 
        4  | 
        17.75 
          (14.22-21.27)  | 
        2.21  | 
       
      
        5  | 
        3  | 
        17.00 
          (17-17)  | 
        0.00  | 
        4  | 
        18.80 
          (15.45-22.14)  | 
        2.10  | 
        1  | 
        17.00 
          (16.26-20.39)  | 
        --  | 
        1  | 
        17.00 
          (-)  | 
        --  | 
       
      
        6  | 
        12  | 
        17.80 
          (16.16-19.43)  | 
        2.43  | 
        11  | 
        17.78 
          (16.15-19.40)  | 
        2.41  | 
        6  | 
        18.33 
          (17.59-18.79)  | 
        1.96  | 
        7  | 
        18.57 
          (16.81-20.33)  | 
        1.90  | 
       
      
        7  | 
        27  | 
        18.29 
          (17.64-18.94)  | 
        1.57  | 
        33  | 
        18.58 
          (18.02-19.14)  | 
        1.58  | 
        38  | 
        18.19 
          (17.56-18.94)  | 
        1.83  | 
        38  | 
        18.24 
          (17.64-18.85)  | 
        1.84  | 
       
      
        8  | 
        13  | 
        17.52 
          (16.69-18.34)  | 
        1.36  | 
        14  | 
        17.27 
          (16.63-17.91)  | 
        1.10  | 
        20  | 
        18.25 
          (19.54-20.60)  | 
        1.47  | 
        19  | 
        17.94 
          (17.30-18.58)  | 
        1.32  | 
       
      
        9  | 
        15  | 
        20.10 
          (19.45-20.74)  | 
        1.21  | 
        16  | 
        19.97 
          (19.32-20.62)  | 
        1.21  | 
        22  | 
        20.07 
          (19.79-20.35)  | 
        1.19  | 
        24  | 
        19.93 
          (19.41-20.45)  | 
        1.23  | 
       
      
        10  | 
        74  | 
        20.01 
          (19.72-20.30)  | 
        1.25  | 
        74  | 
        20.08 
          (19.79-20.37)  | 
        1.24  | 
        75  | 
        20.07 
          (19.48-20.66)  | 
        1.22  | 
        72  | 
        20.16 
          (19.89-20.44)  | 
        1.17  | 
       
     
    N = Number of third molars, UR-upper right third molar, UL- upper left third molar , LR- lower right third molar, LL- lower left third molar, SD – standard deviation |