Osseointegration: Hierarchical designing encompassing the macrometer, micrometer, and nanometer length scales

Paulo G. Coelho, Ryo Jimbo, Nick Tovar, Estevam A. Bonfante

Research output: Contribution to journalArticlepeer-review

Abstract

Objective Osseointegration has been a proven concept in implant dentistry and orthopedics for decades. Substantial efforts for engineering implants for reduced treatment time frames have focused on micrometer and most recently on nanometer length scale alterations with negligible attention devoted to the effect of both macrometer design alterations and surgical instrumentation on osseointegration. This manuscript revisits osseointegration addressing the individual and combined role of alterations on the macrometer, micrometer, and nanometer length scales on the basis of cell culture, preclinical in vivo studies, and clinical evidence. Methods A critical appraisal of the literature was performed regarding the impact of dental implant designing on osseointegration. Results from studies with different methodological approaches and the commonly observed inconsistencies are discussed. Results It is a consensus that implant surface topographical and chemical alterations can hasten osseointegration. However, the tailored combination between multiple length scale design parameters that provides maximal host response is yet to be determined. Significance In spite of the overabundant literature on osseointegration, a proportional inconsistency in findings hitherto encountered warrants a call for appropriate multivariable study designing to ensure that adequate data collection will enable osseointegration maximization and/or optimization, which will possibly lead to the engineering of endosteal implant designs that can be immediately placed/loaded regardless of patient dependent conditions.

Original languageEnglish (US)
Pages (from-to)37-52
Number of pages16
JournalDental Materials
Volume31
Issue number1
DOIs
StatePublished - Jan 1 2015

Keywords

  • Design
  • Macrogeometry
  • Osseointegration
  • Review
  • Surface

ASJC Scopus subject areas

  • Materials Science(all)
  • Dentistry(all)
  • Mechanics of Materials

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