highly significantP =.001
The results showed that there were very highly significant differences between the cleft lip, alveolus and palate group and the cleft lip group ( P =.001) and cleft palate group ( P =.001) as the percentage of periodontal destruction was seen to be more in the cleft lip, alveolus and palate group of subjects; whereas, there were significant differences found when cleft palate group was compared to the cleft lip group of subjects ( P =.043), as the score was 0 in 28.8% of the anterior and posterior sextants in the cleft lip group of subjects; though in relation to scores 1, 2 and 3, there were only marginal differences seen [Figures 6 and 7 ].