3Adell R, Eriksson B, Lekholm U, et al. Long - term follow - up study of osseointegrated implants in the treatment of totally edentulous jaws [ J ]. lnt J Oral Maxillofac Implants, 1990, 5 ( 4 ) : 347- 359.
4Adonogianaki E, Mooney J, Kinane DF. Detection of stable and active periodontitis sites by clinical assessment and gingival crevicular acute - phase protein levels [ J ]. J Periodontal Res, 1996, 31(2) :135 -143.
5Bower RC. Peri - implantitis [J]. Ann R Australas Coll Dent Surg, 1996, 13:48-57.
6Mombelli A, Feloutzis A, Bragger U, et al. Treatment of peri - implantitis by local delivery of tracycline. Clinical microbiological and radiological results[J]. Clin Oral Implants Res, 2001, 12(4) :287 -294.
7Kolonidis SG, Renvert S, Hammerle CH, et al. Osseointegration on implant surfaces previously contaminated with plaque. An experimental study in the dog [J].Clin Oral Implants Res. 2003, 14(4) : 373 -380.
8Papaioannou W, Quirynen M, van Steenberghe D. The influence of periodontitis on the subgingival flora around implants in partially edentulous patients [ J ]. Clin Oral Implants Res, 1996, 7 (4) :405 -409.
9Mombelli A, Mericske - Stern R. Microbiological features of stable osseointegrated implants used as abutments for overdentures [J]. Clin Oral Implants Res, 1990, 1 (1) :1 -7.
10George K, Zafiropoulos GG, Murat Y, et al. Clinical and microbiological status of osseointegrated implants [J]. J Periodontol, 1994, 65(8) :766 -770.