Unverified85% confidenceTradeoffTime unknown
超薄贴面磨牙少、保存牙体组织多,但对牙齿原色遮盖力弱;如果基牙颜色偏深(如四环素牙、死髓变色牙),超薄贴面难以遮色,需增加厚度或先做内漂白
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified牙齿本身呈自然象牙黄(釉质透出牙本质颜色)者,美白牙膏改善空间有限,因为这是釉质厚度和牙本质天然色决定的,非表面着色87% similarUnverified牙线棒越细越易入紧密牙缝,但过细的线体强度低、遇到卡牙时容易断裂残留;乳牙期在'易入'和'耐用'间权衡,选带涂层的膨体线可兼顾——干燥时细、遇唾液略膨胀贴合牙面86% similarUnverified牙缝较宽或有牙龈退缩者应选膨胀型/海绵型牙线(如含蜡纤维束型),入缝后横向膨胀清洁面更大,普通细线清洁效率低84% similarUnverified牙缝紧密(正畸后或天生牙齿排列紧)选含蜡(waxed)扁线,蜡层降低摩擦更易滑入;牙缝较宽者选无蜡(unwaxed)线,纤维散开可更好包裹牙面清洁面积更大84% similarUnverified如果你有牙周病导致的牙龈退缩、牙缝变大,或佩戴牙桥/种植体需要清洁较宽间隙,优先考虑这类膨胀型牙线而非普通牙线84% similar
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