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Table 5 Association between the presence of H. pylori in dental pulp and severe dental caries or periodontitis

From: Association between Helicobacter pylori infection and dental pulp reservoirs in Japanese adults

 H. pylori in dental pulp 
Dental clinical diagnosisn = 23n = 169 
Severe dental caries22 (96%)71 (42%)< 0.01a
Other disease except severe dental caries1 (4%)98 (58%)
Severe periodontitis16 (70%)82 (49%)0.07b
Other disease except severe periodontitis7 (30%)87 (51%)
  1. aFisher’s exact test
  2. bPearson’s χ2-test