31 Maxillary implant overdentures: bars or solitary attachments Table 2.4 | [continued] Solitary attachment group Bar attachment group Pre- treatment After 1 year Comparison Pre- treatment – After 1 year After 5 years Comparison Pre- treatment – After 5 years Pre- treatment After 1-year Comparison Pre- treatment – After 1 year After 5-year Comparison Pre- treatment – After 5 years Functional complaints in general [IQR] (max. 54) 23 [16.25-31.25] 3 [1-6.25] p <0.001*** 2.5 [0-5.75] p <0.001*** 15 [7.25-27.50] 1 [0-4.75] p <0.001*** 2[0-7.25] p <0.001*** Facial aesthetics [IQR] (max. 9) 4.5 [1-6.5] 0 [0-3] p =0.006** 1 [0-2.75] p <0.001*** 2 [0-5.25] 0 [0-0] p =0.003** 0[0-3] p = 0.045* “Neutral Space” [IQR] (max. 9) 1 [0-3] 0.5 [0-2.25] ns 0 [0-2] ns 0.5 [0-2] 0 [0-1] ns 0[0-2] Ns Aesthetics [IQR] (max. 36) 1 [0-5.5] 0 [0-1.25] ns 1 [0-3] ns 0 [0-1.25] 0 [0-1] ns 0[0-2.25] ns General satisfaction score upper denture [IQR] 4 [1-6] 8 [7-9] p <0.001*** 8 [8-9] p <0.001*** 4 [2-6] 9 [8-10] p <0.001*** 8 [8-9] p <0.001*** Total food chewing score [IQR] (max. 18) 11 [6-15] 4 [2-7] p <0.001*** 3 [1-6] p <0.001*** 11 [9-12] 0 [0-3] p <0.001*** 2 [2-5] p <0.001*** Soft foods score [IQR] (max. 6) 1 [1-3] 0 [0-0] p =0.007** 0 [0-0] p =0.007 ** 2 [1-3] 0 [0-0] p <0.001*** 0 [0-0] p <0.001*** Tough foods score [IQR] (max. 6) 3 [2-5] 0 [0-2] p <0.001*** 1 [0-2] p <0.001*** 4 [3-4] 0 [0-0] p <0.001*** 0 [0-0] p <0.001*** Hard foods score [IQR] (max. 6) 6 [4-6] 3 [2-6] p =0.007** 2 [1-4] p <0.001*** 6 [5-6] 0 [0-2] p <0.001*** 2 [0-4] p <0.001*** Differences were tested with the Wilcoxon Matched Pairs Signed Ranks test. IQR: interquartile range; ns: no significant differences. *: p < 0.05, ** p<0.01, *** p<0.001. 2
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