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Table 6: Intragroup comparison for marginal discoloration of various type of post from 0 day (D0) to 9 months (M9) and from 0 day (D0) to 12 months (M12) using Chi-.square test

Table 6: Intragroup comparison for marginal discoloration of various type of post from 0 day (D0) to 9 months (M9) and from 0 day (D0) to 12 months (M12) using Chi-.square test