“…Publications were written in English, and no study published before the year 1999 met the inclusion criteria. Calculating a measure of association between periodontal disease and obesity or MetS was a principle study aim of 24 publications 35,36,43,45,47‐49,54,57,59,63,64,66‐68,72,73,82,84‐86,90,101,103 . Forty‐one independent results reported a positive association, 35,36,39‐43,45‐49,51,54,56‐58,60,62,63,66‐70,72,74,76,78,80,82,84‐86,90,92,94,95,97,99,100 22 of which were statistically significant ( P <0.05) 36,39,41,43,48,49,54,56‐58,63,66,72,74,80,82,85,86,90,94,97,99 …”