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KMID : 0381219930250030183
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Journal of RIMSK
1993 Volume.25 No. 3 p.183 ~ p.190
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An Experimental Study on the Wound Healing of Jaw bone after Removal and Replantation of the Damaged Mandibular Condyle
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Abstract
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The condylar region of the madible is least resistant to external force and more frequently fractured as compared to the other region in the mandible. Unless precise diagnosis and treatment for the fractured mandibular condyle or condylar neck is
done,
pain and dysfunction of the tenporomandibular joint such as diminution of masticatory function, difficulty in mouth opening, disfigurement of face due to facial asymmetry and osteomyelitis etc. can possibly happen as complications, so the
patient's
psychological, physical and social health can be severly affected.
This experimental study was conducted to help oral and maxillofacial surgeons and dentists have knowlege about the biological process of healing of jaw bone fracture, especially in the case of removal and replantation of mandibular condyle for
the
reduction and fixation.
@ES The results were as follows:
@EN 1) Organization of the blood of hematoma and granulation tissue with active inflammatory reaction was seen 1 week after fracture.
2) With neovascularization, conversion of the granulation tissue into fibrocartilaginous tissue was seen 2 weeks after fracture.
3) Inflammatory reaction was decreased and active new bone formation with osteoblastic lining was seen 3 weeks fracture.
4) The fibrocartilaginous tissue at the fracture site was replaced by osseous callus 4 weeks after fracture.
5) Complete healing of fracture wound and mature bone formation was seen 6 weeks after fracture.
6) Bone healing process of the fracture site was occured normally in spite of the removal and replantation of the condylar fragment.
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KEYWORD
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