intros：{"brand_intro":"欧乐B（Oral-B）隶属于宝洁公司，是全球领先的口腔护理品牌，自1950年创立以来，始终专注于牙刷与口腔清洁技术的创新。品牌以\"专业牙医推荐\"为核心背书，产品线覆盖手动牙刷、电动牙刷及牙线等，其独特的刷头设计和科学刷毛排列深受全球消费者信赖，在中国市场拥有极高的品牌认知度和口碑。","product_intro":"欧乐B Pro 健康牙龈手动牙刷采用交叉刷毛设计，刷毛尖端经磨圆处理，能有效清洁牙缝和牙龈沟，同时减少对牙龈的刺激。刷头小巧灵活，便于深入口腔后侧清洁。手柄符合人体工学，防滑易握，提供精准操控。该产品主打\"温和清洁，护龈防出血\"，适合牙龈敏感人群日常使用。","key_specs":["刷毛材质：杜邦软毛，尖端磨圆","刷头形状：小头菱形，灵活清洁","手柄设计：防滑橡胶握柄","适用人群：成人，牙龈敏感者","刷毛硬度：软毛/中毛可选","包装规格：单支装/多支装"]}
alt_products：[{"product_name":"欧乐B Pro 健康牙龈 手动牙刷","brand":"欧乐B","model":"EB50-6","price":39.9},{"product_name":"狮王 细齿洁 超软毛牙刷","brand":"狮王","model":"LION-EX-01","price":25},{"product_name":"高露洁 360° 全面清洁牙刷","brand":"高露洁","model":"Colgate-360-01","price":19.9}]
scoring_breakdown：[{"source":"word_of_mouth","score":90.79999999999998,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反馈刷毛柔软不伤牙龈，清洁力适中，尤其适合牙齿敏感或牙龈易出血人群。多数评价提到刷头小巧，后槽牙区域也能轻松刷到。部分用户认为手柄防滑效果出色，湿手使用也不易滑脱。少数用户指出刷毛耐用性一般，建议每月更换。整体好评率极高，复购率突出，是京东手动牙刷品类长期畅销款。","source_count":0}},{"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":["牙医张博士：欧乐B的磨圆刷毛技术能减少牙龈损伤，适合日常护理。","美妆博主小A：用了三年没换过，牙龈出血真的少了。"]}}]