Unverified83% confidenceDecision RuleTime unknown
孔位选择按人数+1冗余，电动牙刷刷头直径需20-25mm大孔位，普通牙刷孔位放不进电动牙刷，混用家庭需选可调节或大孔径款
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83%
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Long-term
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Unverified容量孔位按家庭人数×1.5预留：2人家庭选4孔（含备用牙刷/漱口杯位），电动牙刷用户需确认孔径≥25mm否则粗刷柄插不进88% similarUnverified孔位选择原则：常住人数+1个冗余（客用/电动牙刷头），电动牙刷占位大，需确认孔径≥25mm或选择开放式卡槽而非封闭圆孔84% similarUnverified牙刷插孔间距＜2cm时刷头会互相接触导致交叉污染，选购时确认孔位间距≥2.5cm或采用独立分隔槽，多人共用家庭优先分隔式而非大通孔式75% similarUnverified牙间隙刷尺寸需按牙缝实际间隙选，ISO规格分0-8号，通道直径从0.6mm（0号，SSS）到1.5mm（8号）递增，正常牙缝多数人从ISO 1号（0.7mm）或2号（0.8mm）起选，插入应有轻微阻力而非松垮或强行挤压73% similarUnverified家用急救和牙科拔牙止血选小规格块状（如1cm×1cm×1cm）即可，大面积创面选片状（如8cm×5cm）避免拼接后止血不均70% similar
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