intros：{"brand_intro":"欧乐B（Oral-B）隶属于宝洁公司，始于1950年，是全球口腔护理领域的绝对领导者。品牌由牙医Dr. Robert Hutson创立，始终以\"让每个人拥有专业级口腔护理\"为使命。欧乐B在牙缝刷领域拥有超过30年的研发经验，其核心技术包括弹性弯曲刷头、医用级不锈钢丝以及多锥度刷毛设计。品牌品控严格遵循欧盟医疗器械标准，每一支牙缝刷出厂前均经过抗疲劳测试。欧乐B在全球牙科诊所推荐率超过80%，是专业牙医首选的日常清洁工具品牌。","product_intro":"这款电商专供装是欧乐B针对中国消费者日常清洁需求推出的高性价比组合，包含0.6mm、0.8mm、1.0mm、1.2mm四种常见尺寸，适配绝大多数牙缝宽度。核心卖点包括：L型弯柄设计符合人体工学，握持省力且能轻松清洁后牙区；刷头采用弹性弯曲技术，可自适应牙缝弧度，避免损伤牙龈；不锈钢丝芯体坚固耐用，不易变形。相比普通牙缝刷，欧乐B的刷毛密度更高，清洁效率提升30%。适合正畸人群、牙周炎患者以及追求深度清洁的日常用户。","key_specs":{"尺寸范围":"0.6mm-1.2mm（4种规格混合装）","刷头材质":"医用级不锈钢丝+杜邦软刷毛","手柄类型":"L型人体工学手柄","适用人群":"牙缝宽度0.6-1.2mm的成人及正畸患者","包装数量":"8支（每种规格各2支）","安全认证":"欧盟CE医疗器械认证"}}
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、天猫及小红书超过18万条评价，用户普遍认可其清洁效果和耐用性。优点：刷毛柔软不伤牙龈，L型手柄清洁后槽牙非常方便，混合装设计解决了初次使用者不知选何尺寸的痛点。缺点：部分用户反映1.2mm规格的刷头偏硬，敏感牙龈使用初期有轻微不适；包装内无收纳盒，外出携带不便。专业评测机构\"老爸评测\"指出，该产品在模拟牙缝清洁测试中残留物去除率达92%，优于多数竞品。小红书博主\"牙医老张\"评价：\"这是百元内最值得入手的牙缝刷组合，适合全家共用。\"","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":78.4,"weight":0.15,"confidence":0.4,"details":{"kol_count":1,"scored_count":1,"matched_count":1,"base_score":76,"weighted_score":80,"sample":["牙医老张：如果你不知道选多大尺寸，买欧乐B混合装绝对不会错，它几乎覆盖了90%中国人的牙缝宽度。"]}}]