[KongchangAI]
Unverified90% confidenceTradeoffTime unknown

声波式振动频率31000-40000次/分钟适合日常清洁和敏感牙龈,旋转式(如欧乐B)通过物理旋转+摆动清洁效率更高,但对牙釉质和牙龈刺激更大,适合牙渍重、无敏感问题人群

1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen

Sources

Related Entities

Related Claims

Cite This Claim

Stable URI
https://kongchang.com/claim/463279
API
curl https://kongchang.com/api/v1/knowledge/claims/463279
MCP
get_claim(id=463279)