Clinical evaluation of periodontitis types affected cumulative and annually radiographic periodontal alveolar bone loss using the treatment of Sandwich’s technique

Table 4.

The difference of mean ARPAL (mm/yr.) in differentperiodontal disease type of GAgP by disease severity.

GAgP Stage A   n  Mean(SD)  Stage B   n  Mean(SD)  Stage C   n  Mean(SD) Significance

Mild
Moderate
Severe
-0.13(0.06) 179
-0.26(0.10)  29
-0.63(0.28)  11
-0.05(0.20)  179
+0.02(0.13)   29
-0.25(0.38)   11
-0.10(0.05)  179
-0.17(0.07)   29
-0.33(0.08)   11
****
****
****
Significance     ****       **     ****