1. Arola, D. D., & Reprogel, R. K. (2006). Tubule orientation and the fatigue strength of human dentin. Biomaterials 27(9): 2131–2140.
2. Ash, M. M., & Nelson, S. J. (2003). Wheeler’s Dental Anatomy, Physiology and Occlusion (8 ed.). St. Louis: Saunders.
3. Avery, J. K., Cox, C. F., & Chiego, D. J. (1984). Structural and physiologic aspects of dentin innervation. In A. Linde (Ed.), Dentin and Dentinogenesis (Vol. 1, pp. 19–46). Boca Raton: CRC Press.
4. Beust, T. B. (1931). Physiologic changes in the dentin. J. Dent. Res. 11 267–275.
5. Bevelander, G. (1941). The development and structure of the fiber system of dentin. Anat. Rec. 81(1): 79–97.