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Table 3 Comparison of the results of the studies. The results of the measured clinical periodontal parameters in the test groups after administration of omega-3 fatty acids are compared with the placebo groups in the respective studies. PD = probing depth, BOP = bleeding on probing, GI = gingival index, PI = plaque index, CAL = clinical attachment level, ↑ = statistically significant increase in the test group compared to the control group, ↓ = statistically significant reduction in the test group compared to the control group, → = no change,, x = values were not determined here

From: What is the impact of the adjunctive use of omega-3 fatty acids in the treatment of periodontitis? A systematic review and meta-analysis

Clinical periodontal parameterElwakeel and Hazaa (2015) [29]Deore et al. (2014) [30]Elkhouli et al. (2011) [13]El-Sharkawy et al. (2010) [15]Martinez et al. (2014) [31]Keskiner et al. 2017 [32]
PD
BOPxxx
GIx
PI
CAL