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、小红书等平台评价,欧乐B这款牙间刷好评率高达98%。用户普遍称赞其刻度清晰、尺寸选择丰富,能完美匹配不同牙缝。专业评测指出,其不锈钢丝柔韧度适中,不易变形,且刷毛密度高,清洁效率优于同类产品。缺点方面,部分用户反映小尺寸(0.6mm)刷头较细,初次使用需适应;另有少数反馈手柄略短,后牙操作稍显不便。总体而言,作为国际大牌,欧乐B在品控和用户体验上表现稳定,是入门和进阶用户的可靠选择。","source_count":4}},{"source":"objective","score":94,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.7,"review_count":285000,"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":285000,"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@牙医老张:欧乐B的刻度设计非常科学,0.2mm的递进能覆盖绝大多数亚洲人的牙缝需求。","小红书达人@小鹿爱刷牙:用了三年欧乐B,牙缝再也没有塞过东西,强烈推荐给戴牙套的姐妹!"]}}]