2) Kakehashi, S., Stanley, H. R. and Fitzgerald, R. J.: The effects of surgical exposures of dental pulps in germ-free and conventional laboratory rats, Oral Surg. Oral Med. Oral Pathol., 20: 340-349, 1965.
4) Schröder, U. and Granath, L. E.: Early reaction of intact human teeth to calcium hydroxide following experimental pulpotomy and its significance to the development of hard tissue barrier, Odont. Revy., 22: 379-396, 1971.
5) Cvek, M., Granath, L., Cleaton-Jones, P. and Austin, J.: Hard tissue barrier formation in pulpotomized monkey teeth capped with cyanoacrylate or calcium hydroxide for 10 and 60 minutes, J. Dent. Res., 66: 1166-1174, 1987.