[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

牙间隙刷尺寸需按牙缝实际间隙选择,通常从ISO 0号(0.6mm)到6号(1.5mm)递增,牙缝小于0.8mm应选0-1号(黄绿色系),大于1.1mm选3号以上,尺寸过大会磨损牙龈乳头导致退缩

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