Artificial dental root made of natural calcium carbonate (Bioracine)

Clin Mater. 1990;5(2-4):235-50. doi: 10.1016/0267-6605(90)90022-n.


'Bioracine' is an artificial dental root made of natural calcium carbonate (Pinctade maxima mother of pearl). This non-biodegradable material is very close to bone tissue in its physicochemical composition and presents remarkable hardness, resistance and elasticity. Bioracine is a buried dental implant with a special screw thread, presenting a large surface which shows pores of 2-3 mum. A histological study of the interface between the implant and human maxillary bone demonstrated an extraordinary cellular union between these two tissues. Furthermore, bioracine presents two new technical innovations: a periprosthetic epithelial attachment of connective tissue with an active shock absorbing system. Bioracine is an exceptional dental root substitute that matches the biological properties of natural bone.

Publication types

  • Case Reports

MeSH terms

  • Adult
  • Animals
  • Calcium Carbonate*
  • Dental Implants*
  • Elasticity
  • Female
  • Hardness
  • Humans
  • Male
  • Materials Testing
  • Maxilla / pathology
  • Maxilla / surgery*
  • Microscopy, Electron, Scanning
  • Middle Aged
  • Osseointegration
  • Osteocytes
  • Ostreidae / chemistry
  • Porosity
  • Tooth Root / pathology
  • Tooth Root / surgery*


  • Dental Implants
  • Calcium Carbonate