Evaluation of human periimplant soft tissues around nonsubmerged machined standard and platform-switched abutments
JR Collins, RW Berg, M Rodríguez, I Rodríguez… - Implant …, 2015 - journals.lww.com
Implant dentistry, 2015•journals.lww.com
Purpose: This study evaluated the effect of the platform-switching phenomenon, the use of a
smaller diameter abutment on a larger diameter implant platform. Clinical and histological
outcomes of the periimplant mucosa around titanium abutments in a nonsubmerged implant
were evaluated. Materials and Methods: Ten healthy adult patients, ranging from 27 to 65
years, participated in the study. A minimum of 2 endosseous implants with immediate
abutment connection was placed per patient, 1 conventional and 1 platform-switched …
smaller diameter abutment on a larger diameter implant platform. Clinical and histological
outcomes of the periimplant mucosa around titanium abutments in a nonsubmerged implant
were evaluated. Materials and Methods: Ten healthy adult patients, ranging from 27 to 65
years, participated in the study. A minimum of 2 endosseous implants with immediate
abutment connection was placed per patient, 1 conventional and 1 platform-switched …
Abstract
Purpose:
This study evaluated the effect of the platform-switching phenomenon, the use of a smaller diameter abutment on a larger diameter implant platform. Clinical and histological outcomes of the periimplant mucosa around titanium abutments in a nonsubmerged implant were evaluated.
Materials and Methods:
Ten healthy adult patients, ranging from 27 to 65 years, participated in the study. A minimum of 2 endosseous implants with immediate abutment connection was placed per patient, 1 conventional and 1 platform-switched abutment. All sites for implant placement had an adequate zone of keratinized mucosa before surgical intervention.
Results:
No clinical signs of inflammation were observed in the periimplant soft tissue mucosa, and healing was uneventful throughout the study period. Histological findings showed abnormally thick stratified squamous epithelium for both groups with few inflammatory cells in the connective tissue and none on the surface of the epithelium.
Conclusion:
Histological findings for both conventional and platform-switched implant-abutment configurations showed a similar composition of the soft tissue. These findings were in direct agreement with previous studies.
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