scoring_breakdown:[{"source":"word_of_mouth","score":90.79999999999998,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合京东、天猫、小红书等平台超12万条评价,用户普遍称赞其便携性(\"放包里不占地方\")和清洁效果(\"能掏出牙线漏掉的食物残渣\")。专业评测指出,0.6mm刷头对后牙区清洁力稍弱,但前牙表现优异。缺点集中在刷头寿命较短(约10天刷毛即变形),以及手柄伸缩卡扣偶尔松动。小红书博主\"牙医老张\"实测对比称:\"比某韩国品牌更耐用,但价格贵一倍。\" 总体满意度高,复购率达35%。","source_count":4}},{"source":"objective","score":94,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.7,"review_count":125000,"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":125000,"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":["口腔护理博主@小鹿牙牙:欧乐B旅行装是我包里常备的,0.6mm刷头对牙龈友好,出差必带。","知乎口腔话题答主@牙医王:作为专业牙医,我推荐欧乐B的刷丝工艺,圆头处理能减少80%的牙龈损伤。"]}}]