{"niche":"哪些电动牙刷最适合牙齿和牙龈敏感的人？","description":"What are the best electric toothbrushes for sensitive teeth and gums?","products":[{"brand":"usmile","model":"P10 S","price_gbp":44.94,"origin_country":null,"specs":{"charge_time":"4.5","battery_life":"4320","timer_features":"2-min Smartimer with quadpacer","pressure_sensor":true,"waterproof_rating":"IPX8","brush_heads_included":"1","sonic_movements_per_minute":"40000"},"confidence_score":null,"sources":[{"label":"usmile Official Store (single P10 S)","url":"https://usmile.us/products/p10s-electric-toothbrush","currency":"USD","source_country":"US","price":59.99,"price_gbp":44.94,"scraped_at":"2026-06-09T12:36:14.141547"}],"summary":"The usmile P10 S is a sonic electric toothbrush with up to 180 days battery life, IPX8 waterproofing, and a 40,000 movements per minute sonic motor. It includes one cushioning-technology brush head, USB magnetic charging, and a 2-minute timer with quadpacer for even brushing. It suits users seeking long battery life and gentle sonic cleaning without app-driven smart screens.","ideal_for":"适合牙齿和牙龈敏感的人，因为它提供 Soft 模式、缓冲型刷头，以及 40,000 次/分钟的声波振动，能有效且温和地清洁。"},{"brand":"Pro-Sys","model":"VarioSonic Plus+","price_gbp":null,"origin_country":null,"specs":{"timer_features":"2-minute timer with quadrant reminders","pressure_sensor":"Intuitive Pressure Sensor","brush_heads_included":"5","sonic_movements_per_minute":"25,000-33,000 (depends on mode)"},"confidence_score":null,"sources":[{"label":"Pro-Sys (manufacturer)","url":"https://www.pro-sys.com/variosonic-electric-toothbrush/","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-09T12:35:46.938875"}],"summary":"The Pro-Sys VarioSonic Plus+ is an ADA-accepted sonic toothbrush offering five cleaning modes, five precision brush heads (including three sensitive soft heads), a 2-minute timer with quadrant reminders, and an intuitive pressure sensor. It advertises long battery life (over a month with normal use), multiple intensity levels, and includes a travel case and charger, making it suitable for daily and travel use.","ideal_for":"适合牙齿和牙龈敏感的人，因为它包含三枚敏感软毛刷头和一个敏感刷牙模式，声波振动最低可达 25,000 次/分钟。"},{"brand":"usmile","model":"Y20 PRO","price_gbp":134.85,"origin_country":null,"specs":{"charge_time":"4","battery_life":"4320","timer_features":"quad-pacing 2-minute timer","pressure_sensor":true,"waterproof_rating":"IPX7","brush_heads_included":"2","sonic_movements_per_minute":"38000"},"confidence_score":null,"sources":[{"label":"usmile Official Store (alternate listing)","url":"https://usmile.us/collections/electric-toothbrushes/products/usmile-y20-pro","currency":"USD","source_country":"US","price":179.99,"price_gbp":134.85,"scraped_at":"2026-06-09T12:36:00.636020"}],"summary":"The usmile Y20 PRO is an AI-upgraded sonic toothbrush with up to 38,000 movements per minute, smart pressure sensing, multiple cleaning modes including a Sensitive mode, bone-conduction guidance and app connectivity. It includes two brush heads, a USB-C charger, long battery life (claimed up to 90 days/180 days depending on mode) and is waterproof, making it travel-friendly and feature-rich for precise cleaning.","ideal_for":"适合牙齿和牙龈敏感的人，因其提供 Soft/Sensitive 模式和智能压力传感器以防止过度刷牙。"}]}