Word歯周病ししゅうびょうshishuubyouMeaninggum disease; periodontal diseasePart of speechnounPronunciationCourseHardcore JapaneseLessonGetting treatment at the dentistUsages of shishuubyou歯周病ししゅうびょう が 心配しんぱい です。shishuubyou ga shinpai desu.I am worried about gum disease.