[Setting up in Western Germany].
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Dental Assistants↗
Biomedical subjects
B Rosenquist
Publications and source records attributed to B Rosenquist.
Immediate placement of implants into extraction sockets: implant survival.
In 51 patients (21 males and 30 females) aged 16 to 72 years, a total of 109 Nobelpharma implants were placed into extraction sockets immediately following extraction. The follow-up period varied between 1 and 67 months with a mean of 30.5 months. Osseointegration was determined by clinical stability, lack of symptoms, and lack of peri-implant pathology based on radiographic examination. The implant survival rate was 93.6%. Six implants were mobile at the abutment connection stage, and one was lost when function commenced. The success rate was 92.0% for implants replacing teeth extracted because of periodontitis and 95.8% for implants replacing teeth extracted for other reasons. Two other complications occurred: 12 cover screws perforated the gingiva during healing; and infection developed in five cases. The incidence of infection was higher in the periodontitis group. It was found that immediate placement of implants into extraction sockets is a safe and predictable procedure if certain guidelines are followed.
Adolescent↗
A comparison of various methods of soft tissue management following the immediate placement of implants into extraction sockets.
Various techniques of soft tissue management following the immediate placement of implants into extraction sockets are evaluated; the merits of the Rehrman-plasty, the free mucosal graft, the pedicled island flap, and membranes to seal the socket are discussed as are the esthetic effects of various surgical techniques used at abutment connection. Two treatment strategies are suggested. Presently, the treatment of choice seems to be to close the extraction socket after implant placement by means of either a pedicled island flap or a thin cortical bone membrane. In addition, a new excisional technique is described for use at abutment connection. If a flap has to be raised to extract the tooth, the implant should be covered by means of either a Rehrman-plasty or a cortical bone membrane. If a Rehrman-plasty is chosen, the apically repositioned flap should be used at abutment connection.
Bone Transplantation↗