4Schnitman, P.A. & Shulman, L.B. (1978) Recom- mendations of the consensus development confer- ence on dental implants. Journal of the American Dental Association 98:373-377.
5Albrektsson, T.Zarb, G, Worthington, P. & Eriksson, A.R. (1986) The long-term efficacy of currently used dental implants. A review and proposed criteria of success. International Journal of Oral and Max- illofacial Implantsl: 11-25.
6Albrektsson, T. & Isidor, F. (1994) Consensus re- port of session IV. In: Lang, N.P. & Karring, T., eds. Proceedings of the 1st European Workshop on Peri- odontology, 365-369. Berlin:Quintessence.
7Karoussis IK, Bra"gger U, Salvi GE, Bu"rgin W, Lang NP.Effect of implant design on survival and success rates oftitanium oral implants:a 10-year prospective cohort study of the ITIs Dental Implant System. Clin. Oral Impl. Res.15, 2004, 8-17.
8Huskinsson, E.C. (1974) Measurment of pain. Lancet 2:1127-1131.
9Schropp L, Isidor F, Kostopoulos L, Wenzel A. Pa- tient experience of, and satisfaction with, delayed- immediate vs. delayed single-tooth implant place- ment. Clin. Oral Impl. Res. 15, 2004, 498-503.