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The Journal of Bone & Joint Surgery British Volume
Vol. 60-B, Issue 1 | Pages 116 - 123
1 Feb 1978
Tuli S Singh A

Demineralised homologous bone-matrix implant was used to bridge a large circumferential osteoperiosteal gap in the diaphysis of the ulna of rabbits. Periodic observations of the graft were made clinically, radiologically, histologically and by tetracycline fluorescence up to forty-two weeks. By the twelfth week after operation 81 per cent of the animals revealed bone formation in the implant and complete bridging of the gap. The new bone was laid on the surface and in the substance of the matrix, suggesting that the inductive principle was acting locally. The bone, once formed, remodelled to the texture of a mature tubular bone and did not undergo absorption during a long follow-up period. Demineralise bone-matrix proved to be a highly osteoinductive and readily osteoconductive material. The graft did not evoke any appreciable local foreign-body or immunogenic reaction. The high degree of success in bridging massive bone defects justifies further serious studies and hopes for a useful substitute for massive autologous bone grafts.


The Journal of Bone & Joint Surgery British Volume
Vol. 44-B, Issue 4 | Pages 806 - 815
1 Nov 1962
Singh A Dass R Hayreh SS Jolly SS

1. The skeletal changes in endemic fluorosis are described from an area of the Punjab where the fluorine content of water and soil is very high.

2. A detailed description of a fluorotic skeleton is given, with its various anthropometric measurements.

3. The vertebral changes demonstrated the pathogenesis of the neurological complications observed in this condition.