scoring_breakdown:[{"source":"word_of_mouth","score":92.89999999999999,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合京东、天猫、小红书等平台近18万条评论,该产品好评率高达98%。用户普遍称赞其刷丝柔软不伤牙龈,L型设计能轻松清洁到最里面的牙齿,尤其适合刷牙时容易出血的人群。专业评测指出,其0.6mm直径在清洁效率与舒适度之间取得了很好的平衡。缺点方面,部分用户反映刷头较小,初次使用者需要适应;另有少数用户表示刷丝在使用一周后会出现轻微变形,建议按周期更换。总体而言,这是一款口碑极佳的入门级敏感牙龈牙缝刷。","source_count":4}},{"source":"objective","score":94,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.7,"review_count":185000,"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":185000,"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":["小红书口腔护理博主@牙医老张:'欧乐B这款0.6mm牙缝刷是我给敏感牙龈患者的首选推荐,刷丝软硬适中,L型弯头设计非常科学。'","什么值得买认证生活家@小喵爱刷牙:'用了三年,唯一回购的牙缝刷,真的不伤牙龈,出血情况明显改善。'"]}}]