Unverified88% confidenceDecision RuleTime unknown
牙龈护理需求应优先选含氟牙膏（含氟量1000-1450ppm），氟能同时防龋，牙龈萎缩后暴露的牙根面更易龋坏，无氟中草药牙膏防龋能力弱
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88%
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Long-term
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Unverified含氟量与牙周功效不冲突，牙周患者仍应选择含氟牙膏，成人氟浓度建议在1000-1450ppm之间以防龋，牙根暴露者龋坏风险更高更需要氟保护88% similarUnverified含氟配方兼顾防蛀，适合牙齿敏感同时有龋齿风险的成人作为日常全效牙膏使用88% similarUnverified戴固定托槽期间牙釉质脱矿风险高，成人矫正应选含氟量1450ppm的牙膏，可有效预防托槽周围白斑（脱矿）88% similarUnverified防蛀是牙膏最核心的循证功能，标注'无氟'的天然牙膏防龋能力显著下降，龋齿高风险人群（含糖饮食多、有龋齿史）应选含氟量900-1450ppm的天然牙膏，不要盲目追求'零添加'87% similarUnverified日常防龋护理应选含氟化物（氟化钠225ppm~450ppm）的漱口水，可强化牙釉质；仅追求清新口气无需含氟，防龋则氟浓度需达标87% similar
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