Learning on 05/23/2026
歯周病May 22, 2026, 5:58:53 PM
Study time: 2 minute(s)
Today's learning: 1
New: 2
Consecutive study days: 5
Difficult review: 1
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May 22, 2026, 5:58:53 PM
Study time: 2 minute(s)
Today's learning: 1
New: 2
Consecutive study days: 5
Difficult review: 1