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Component changes of calcium and phosphorus in osteogenesis by lengthening procedures in adult canines
Bing Wang1, Yi-yun Liu, Jie-bai Zheng
1Department of Orthopedics of 12th Hospital of Guangzhou City, Guangzhou 510620, China. wbing222@163.com
Objective:
To explore chemical component changes of dog bone at different lengthening time and in different bone regions of interest, and to evaluate the mineralization during Ilizarov lengthening process.
Methods:
The ash weight, the concentrations of calcium, phosphorus and the calcium/phosphorus ratio were measured at different intervals (2, 4, 6, 8, 12 weeks) since lengthening and the lengthened part was compared with a control area at each interval.
Results:
The ash weight, the concentrations of calcium and phosphorus in the lengthened area differed at all development time. The calcium/phosphorus (Ca/P) ratio in the lengthened region remained significantly lower than that in the control region up to 12 weeks after the lengthening.
Conclusions:
These results suggest that also other inorganic ions play an important role in the mineralization process and that they become relatively more important since 8 weeks after the lengthening.