Table 4.

Summary of studies in which the presence of H. pylori in dental plaque was determined by EIA.

No.	Authors	Year	Sample size	Prevalence of H. pylori
1	Namiot et al. [26]	2010	155 patients	65.6%
2	Leszczyńska et al. [27]	2009	164 dyspeptic patients referred for endoscopy-95 H. pylori infected and 69 noninfected	82.1% in H. pylori positive subjects and 17.7% in H. pylori negative subjects
3	Checchi et al. [28]	2000	35 patients from a Periodontology clinic	11%
4	Savoldi et al. [29]	1998	80 dyspeptic patients	0