Attempts to develop a predictable method of osseous regeneration evolved into the veneered osseous graft. The author has taken advantage of and incorporated several different aspects of regenerative periodontal therapy. Having treated several hundred cases with good to excellent results, success is directly related to meticulous detail. Flap design, root surface preparation, bony wall therapy and graft placement are all equally important in predicting success. By introducing into a clean bone cavity against a clean root an osteogenic base material protected by a veneer to prevent down growth of epithelium one can expect improvement of an osseous lesion. This one-step procedure is a cost effective answer to the two-step procedure. Osseous grafting with a variety of materials has become an established part of regenerative periodontal therapy. Most reports comparing grafting to surgical debridement has demonstrated an advantage with grafting no matter what the material. Successful osseous grafting does require a biologically compatible material, preferably with osteogenic potential, which would prevent a down growth of epithelium until the graft has established a "home." Equally important is site preparation. Most reports in the literature describe site preparation as "thorough root planing." This description is inadequate as actual procedures can vary widely. Specifics are missing so duplication is difficult. Chemical root conditioning was introduced as an adjunct to effective root preparation. The frequency of osseous graft success began to improve with the addition of citric acid conditioning to very mechanical root preparation regardless of the grafting material used. The development of the veneered osseous graft technique over the years has taken advantage of and incorporated several different aspects of regenerative therapy.(ABSTRACT TRUNCATED AT 250 WORDS)