1. 1. Kimura N, Arita K and Nishino M. External factors influencing hard tissue formation pulptomy. Jap J Ped Dent 38: 138-154, 2000
2. 2. Kimura N, Arita K and Nishino M. Impproved method of vital pulptomy with calcium hydroxide: 1.Histopatological study on various application period with calcium hydroxide. Jpn J Ped Dent 37: 734-746, 1999
3. 3. Fujisaki M, Matsumoto T, Inokuchi T, Jong-Hynm B, Morinaga T and Nakata M. Follow up examination on vital pulp amputation with calcium hydroxide primary teeth. Jpn J Ped Dent 33: 470-476, 1995
4. 4. Igarashi M. Vital pulptomy in young permanent monky teeth with open apices A long term histological evaluation. Jpn J Conserve Dent 27: 769-809, 1984
5. 5. Ohno H, Ohno K, Ogura T and Kimura M. A histopatological study on the resorption after pulptomy in primaly teeth. Jpn J Ped Dent 24: 653-660,1986