scoring_breakdown:[{"source":"word_of_mouth","score":76.5,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合2.8万条评论,牙博士冷光美白牙仪被用户称为\"家用美白仪天花板\"。优点:美白效果均匀,尤其对牙缝色素沉积效果显著;冷光技术缩短了使用时间,20分钟即可完成;套装性价比高,凝胶可替换,长期使用成本低。专业评测\"科技美学\"指出,其蓝光波长与诊所设备接近,但功率较低,安全性有保障。缺点:操作较牙贴复杂,需佩戴牙仪并保持姿势;部分用户反映凝胶容易流入口腔,产生苦涩感。小红书用户\"科技控小白\"评价:\"用了两周,牙齿白得像做了冷光美白,但每次用都要对着镜子摆好姿势,有点麻烦。\"","source_count":4}},{"source":"objective","score":84.00000000000001,"weight":0.35,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.2,"review_count":28000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":84,"weight":0.15,"confidence":1,"details":{"rating_avg":4.2,"review_count":28000,"source":"product_reviews_aggregate"}},{"source":"search_visual","score":68.62142857142857,"weight":0.1,"confidence":0.87,"details":{"result_count":7,"judgment_score":78,"authority_score":87.1,"top_sources":["zhihu.com","item.jd.com","smzdm.com","bilibili.com","baike.baidu.com"],"judgment_summary":"牙博士冷光美白牙仪套装性价比尚可,适合轻度外源性牙黄且牙龈健康者,但需注意使用频率和敏感反应,效果不如专业诊室快速。"}}]