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This study examined the fatigue crack growth behavior of human dentin. Tests were conducted on dentin samples extracted from human third molars. The results showed that the fatigue crack growth resistance of dentin depends on tubule density, with cracks in deep dentin having a lower stress intensity threshold and faster crack growth rate compared to superficial dentin. Deep dentin exhibited an incremental crack growth rate at least 1000 times larger than peripheral dentin. The findings provide insight into
- Author
- tntalp
- Language
- EN