A sequela of primary growth center of human mandible during postnatal period
(주)코리아스칼라
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- 2016.04.02
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서지정보
ㆍ발행기관 : 대한구강악안면병리학회
ㆍ수록지정보 : 대한구강악안면병리학회지 / 27권 / 1호
ㆍ저자명 : Young Joon Lee, Sang Shin Lee, Byoung Geol Park, Yeon Sook Kim, Suk Keun Lee, Hyock Soo Moon, Je Geun Chi
목차
I. Introduction
II. Materials and methods
III. Results
1) Pantomograms of adult humanmandibles
2) Soft X-ray views of adult dry mandibles
3) Pathological lesions of odontogeniccysts and tumors related to the MdPGC
IV. Discussion
V. Conclusion
References
영어 초록
The primary growth center (MdPGC) of human fetal mandible was conspicuously distinguished in the soft X-ray view of fetal mandibles.1) As the peripheral adaptive growth of mandible advanced during the postnatal period, the MdPGC became overshadowed by condensed cortical bone. However, in the well-processed radiograms of adult mandible a condensed radiopaque image, measuring 0.5-1.0 cm in diameter, can be observed below the apex of first premolar. In this study we aimed to trace a sclerotic sequela of mandibular primary growth center during postnatal period. Panoramic radiograms of two hundreds adults and soft X-ray views of thirty dry mandible were analyzed by statistical methods. The adult MdPGC was clearly distinguishable from the mental foramen. The area of MdPGC was seldom changed in the older persons, even in the edentulous mandibles. Additionally, the benign lesions of odontogenic cysts and tumors hardly destroyed the original structure of MdPGC, while the malignant tumors of squamous cell carcinoma and metastatic cancer rapidly destroyed and resolved the radiopaque area of the MdPGC.
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