44 patients: 21 patients positive for H. pylori in subgingival dental plaque and gastric mucosa and 23 patients who were positive for H. pylori only in gastric mucosa-all 44 received only for H. pylori (triple) therapy
In G+O+t-66.7%
In the G+O+t group, only 47.6% showed eradication of gastric H. pylori compared to 87.4% in G+O−t
82 patients positive for H. pylori in dental plaque: 27 received only anti-H. pylori therapy (gp 1); 25 received anti-HP therapy + periodontal therapy (gp 2); 30 received only periodontal therapy (gp 3)
47 patients with chronic gastritis or peptic ulcer-48.9% () were positive for oral HP and 38.3% () had HP in plaque
Oral prevalence at 4 weeks-31.9
At 4 weeks-91.6% of subjects negative for oral H. pylori were successfully eradicated of HP infection compared to 52.2% in oral H. pylori positive patients. At 2 years-95.8% of subjects negative for oral H. pylori were successfully eradicated of H. pylori infection compared to 69.5% in oral H. pylori positive patients