Evaluation of human periimplant soft tissues around nonsubmerged machined standard and platform-switched abutments

James R. Collins, Robert W. Berg, Mabel Rodríguez, Isis Rodríguez, Paulo Coelho, Nick Tovar

Research output: Contribution to journalArticle

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.

Original languageEnglish (US)
Pages (from-to)57-61
Number of pages5
JournalImplant Dentistry
Volume24
Issue number1
DOIs
StatePublished - Feb 6 2015

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Mucous Membrane
Epithelium
Connective Tissue Cells
Titanium
Inflammation

Keywords

  • abutment
  • histology
  • periimplant mucosa
  • platform switching

ASJC Scopus subject areas

  • Oral Surgery

Cite this

Evaluation of human periimplant soft tissues around nonsubmerged machined standard and platform-switched abutments. / Collins, James R.; Berg, Robert W.; Rodríguez, Mabel; Rodríguez, Isis; Coelho, Paulo; Tovar, Nick.

In: Implant Dentistry, Vol. 24, No. 1, 06.02.2015, p. 57-61.

Research output: Contribution to journalArticle

Collins, James R. ; Berg, Robert W. ; Rodríguez, Mabel ; Rodríguez, Isis ; Coelho, Paulo ; Tovar, Nick. / Evaluation of human periimplant soft tissues around nonsubmerged machined standard and platform-switched abutments. In: Implant Dentistry. 2015 ; Vol. 24, No. 1. pp. 57-61.
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