scoring_breakdown:[{"source":"word_of_mouth","score":90.79999999999998,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞刷毛柔软不伤牙龈,能有效清洁牙缝。多数反馈使用后牙龈出血减少,刷头小巧适合口腔后部清洁。部分用户认为刷毛偏软,清洁力稍弱,但整体满意度高。长期使用者表示牙菌斑积累明显减少,且刷毛不易变形。","source_count":0}},{"source":"objective","score":94,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.7,"review_count":85000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":94,"weight":0.25,"confidence":1,"details":{"rating_avg":4.7,"review_count":85000,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@口腔护理师小A:狮王细齿洁是敏感牙龈的入门首选,刷毛柔软度堪比婴儿牙刷。","@牙医Dr.李:0.02mm刷毛能有效减少牙龈刺激,适合牙周炎患者日常维护。"]}}]