Powdered eggshell: a pilot study on a new bone substitute for use in maxillofacial surgery

The present study is a preliminary report on the use of hen's eggshell as a possible bone substitute. In the first part of the study, particles ranging from 400 μm to 600 μm in diameter were bioassayed in an intramuscular pouch in rodents. This material was found to be biocompatible, but appear...

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Bibliographic Details
Published in:Journal of cranio-maxillo-facial surgery 1995-06, Vol.23 (3), p.187-194
Main Authors: Dupoirieux, Laurent, Pourquier, Didier, Souyris, François
Format: Article
Language:English
Subjects:
Animals
Biocompatible Materials
Biological and medical sciences
Bone Regeneration
Bone Substitutes
Connective Tissue - pathology
Dentistry
Egg Shell - chemistry
Facial Bones - surgery
Follow-Up Studies
Head and neck surgery. Maxillofacial surgery. Dental surgery. Orthodontics
Jaw - surgery
Mandible - diagnostic imaging
Mandible - surgery
Maxillofacial surgery. Dental surgery. Orthodontics
Medical sciences
Muscle, Skeletal - pathology
Muscle, Skeletal - surgery
Pilot Projects
Poultry
Powders
Prostheses and Implants
Rabbits
Radiography
Rats
Rats, Wistar
Skull - surgery
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Wound Healing
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Summary:The present study is a preliminary report on the use of hen's eggshell as a possible bone substitute. In the first part of the study, particles ranging from 400 μm to 600 μm in diameter were bioassayed in an intramuscular pouch in rodents. This material was found to be biocompatible, but appeared not to have osteoinductive capacities. In the second and third part of the study, this material was used as an interpositional graft material in critical-size defects of rat mandibles and rabbit skulls. At 2 months, a morphologic restoration was obtained using the graft, but the healing was only achieved by fibrous union. In the fourth part of the study, the material was experimented on as an onlay bone graft on rabbit mandibles. A 6-month follow-up of the implant confirmed its stability. In conclusion, the use of this safe and inexpensive material is suggested for filling limited bone defects in non-weight-bearing areas. The use of eggshell powder for bone augmentation may also be considered, after further studies, to assess its long-term stability.
ISSN:1010-5182
1878-4119
DOI:10.1016/S1010-5182(05)80009-5