The efficacy of conventional systemic antibiotic therapy for eradication of gastric H. pylori has been seriously challenged by antibiotic resistance. Identification of alternative therapeutic strategies might help to overcome the limitation. The investigators' aim was to examine the effect of adjunct periodontal therapy, on gastric H. pylori eradication rate.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
98
triple therapy:a 10-day course of a Lansoprazole (proton pump inhibitor )combined with amoxicillin (2 × 1 g daily) and clarithromycin (2 × 500 mg daily).(trio)
periodontal treatment consisting of mechanical periodontal treatment (scaling and root planing) Oral hygiene insruction Periodontal treatment started concurrently with triple therapy
eradication rate of gastric H. pylori infection
The follow-up was done by a 14C-urea breath test at least 12 weeks after completion of treatment . A 14C urea breath test analyzer (HUBT-20; Headway, Guangdong, China) was used to diagnose H. pylori infection
Time frame: 3 months
oral H. pylori eradication
Oral H. pylori infection was tested by CLO test Plaque samples were collected from tooth surfaces with a sterile periodontal curette, then immediately inoculated onto CLO test gel.
Time frame: 3 months
periodontal parameters (Probing depth)
probing depth used as a surrogate marker to measure periodontal disease severity
Time frame: 3 months
Clinical Attachment level
used as a surrogate marker to measure severity of the periodontal disease
Time frame: 3 months
OHI (Oral Hygiene Index)
this index used to determine patient oral hygiene status (Greene and Vermillion, 1964)
Time frame: 3 months
Gingival Index
Löe-Silness gingival index
Time frame: 3 months
Plaque index
this index used to determine patient oral hygiene status (Silness-Löe)
Time frame: 3 months
Bleeding on Probing
an index give information on inflammation status of periodontal tissues
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Time frame: 3 months