intros：{"brand_intro":"倍至是中国新锐口腔科技品牌，成立于2018年，专注于\"敏感口腔护理\"。品牌创始人曾是牙科设备工程师，因母亲牙龈萎缩无法使用传统牙缝刷而研发硅胶刷头。倍至拥有\"硅胶刷头\"和\"磁吸收纳盒\"两项专利，品控上采用医疗级液态硅胶，通过FDA和SGS认证。品牌定位\"科技温暖生活\"，产品设计多次获得红点奖。","product_intro":"倍至超软毛牙缝刷采用\"硅胶刷头\"替代传统刷丝，核心卖点是\"零刺激\"。0.7mm硅胶刷头柔软如婴儿奶嘴，适合牙龈萎缩、牙根暴露或化疗后口腔黏膜脆弱人群。8支装附赠磁吸收纳盒，方便卫生。相比其他品牌，倍至的清洁力较弱，但舒适度最高。适用于重度牙龈敏感、牙周病晚期或术后恢复期患者。","key_specs":{"刷头材质":"医疗级液态硅胶，硬度Shore A 30，无味无过敏原","刷头直径":"0.7mm（锥形，根部1.0mm，尖端0.5mm）","手柄材质":"ABS+磁吸金属环，长度11cm","适用人群":"牙龈萎缩者、牙根暴露者、化疗/放疗后口腔护理","包装规格":"8支/盒，含磁吸收纳盒","清洁方式":"可水洗，建议每2周更换一次"}}
scoring_breakdown：[{"source":"word_of_mouth","score":84.4,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"小红书和京东评价中，用户最感动的是\"终于找到不疼的牙缝刷\"。一位牙周炎患者写道：\"用倍至之前，每次清洁都出血，现在终于敢每天用了。\"专业评测\"口腔护理前沿\"指出，硅胶刷头对牙菌斑的清除率只有传统刷丝的60%，但胜在零损伤。缺点方面，部分用户反映硅胶容易吸附异味，且价格偏高。","source_count":4}},{"source":"objective","score":88.00000000000001,"weight":0.1,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.4,"review_count":32000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":88,"weight":0.25,"confidence":1,"details":{"rating_avg":4.4,"review_count":32000,"source":"product_reviews_aggregate"}}]