Unverified80% confidenceCautionTime unknown
不适合有较宽牙缝或牙周病导致牙龈萎缩明显的用户，此类情况建议使用牙间刷或膨胀型牙线
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified牙缝正常无缝隙者不应强行使用牙间刷，硬塞会造成牙龈萎缩和牙缝变大，这类人群应用牙线而非牙间刷91% similarUnverified牙缝宽度不足0.4mm或牙齿排列极其紧密者不建议强行使用牙间刷，应改用牙线，强行插入会损伤牙龈乳头造成牙缝变大91% similarUnverified牙缝较宽或有牙周病导致牙缝增大的用户不适合，细线在宽缝中清洁效率不如扁线或膨胀线牙线90% similarUnverified牙缝正常紧密（探针难以插入）者不建议使用牙间隙刷，应改用牙线，强行使用间隙刷会扩大牙缝损伤牙龈90% similarUnverified牙龈出血、牙齿敏感或正畸期间不建议使用中硬毛及以上牙刷，会加重牙龈退缩和牙颈部磨损（楔状缺损）90% similar
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