Conclusion Bismuth triple therapy combined with periodontics treatment is an important and effective method for the prevention of Hp infection recurrence in gastric mucosa.

• 结论铋三联疗法配以周密牙周治疗，治疗胃、十二指肠疾病中幽门螺杆菌感染，是防止胃内幽门螺杆菌再复发的重要手段。