钛片阻断下颌骨单侧骨断面的牵张成骨的实验研究

Abstract

Abstract: 　Objective　To investigate whether titanium material could be used as transition disc during distraction osteogenesis. Methods　Unilateral mandible split was performed in 10 New Zealand white rabbits. Titanium membrane was inserted into the fracture site and covered one side surface. After 5 days’ delay, distraction was performed 0.8mm per day and twice a day. Total distraction length was 8 mm. After 16 weeks’fixation，the new bones were grafted and subjected to histological radiologic and pathological analysis. Results　Successful distractions were found in 3 of the rabbits. Some new bone formation could be detected in 2 of the rabbits. Conclusion　Titanium material might be used as the transition disc during osteogenesis distraction.

Key words: Titanium, Distraction Osteogenesis, Rabbit

CLC Number:

R782.23

References

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Experimental study of mandibular distraction osteogenesis with titanium membrane as the transition disc

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