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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.12
- 수록면
- 107 - 113 (7page)
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초록· 키워드
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Tooth eruption is composed of tooth movement through a sequential process that includes tooth development and bone remodeling. The relation between the tooth germ and alveolar bone occurs during bone remodeling of the final position in the dental arch. Lactoferrin (LF) is an iron-binding glycoprotein and one of the regulatory functions of LF has been suggested to have a modulator role in bone remodeling. Since tooth eruption and bone remodeling are closely linked, this study aimed to evaluate the effects of LF administration on tooth eruption and bone remodeling during tooth development in newborn rats. Sprague-Dawley rats were divided into four groups as; vehicle control and LF group (12 ㎍/g/day) with six-day and ten-day administration. Newborn rats in LF group were given daily dose of 12 ㎍/g during postnatal six days and ten days, whereas the vehicle control group was injected with sterile saline. Tooth eruption levels of incisor teeth were assessed macroscopically.
Histological examination was carried out under light microscope to inspect alveolar bone containing the molar tooth germs. Tartrate-resistant acid phosphatase (TRAP) staining was also performed to evaluate the osteoclastogenic appearance. The LF group observed the acceleration of tooth eruption in incisor teeth at day ten. Through the histological analysis, the bone matrix in the occlusal portion of the second molar tooth germ in LF-treated rats (12 ㎍/g/day) with ten-day administration was resorbed and, at day six, an increase of the number of osteoclasts in the alveolar process of the bony crypt was exhibited when compared with control groups.
These findings appear to indicate a novel role of LF as a modulator during bone remodeling during tooth eruption dissimilar to a physiological regulator of bone growth previously reported in experimental models.
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참고문헌 (28)
참고문헌 신청
Massler M, Schour I / 1941 / Studies in tooth development:Theories of eruption / Am. J. Orthodont. Oral Surg 27:552~576
Marks SC Jr / 1996 / Tooth eruption : theories and facts / Anat Rec 245(2):374~393
Brash IC / 1928 / The growth of the alveolar bone and its relation to the movements of the teeth, including eruption / Int. J. Orthod 11:283~504
Marks SC / 1989 / Osteoclast biology : Lessons from mammalian mutations / Am J Med Genet 34:43~54
Weinmann JP / 1941 / Bone changes related to eruption of the teeth / Angle Orthodont 11:83~99
Marks SC Jr / 1996 / Tooth eruption : theories and facts / Anat Rec 245(2):374~393
Brash IC / 1928 / The growth of the alveolar bone and its relation to the movements of the teeth, including eruption / Int. J. Orthod 11:283~504
Marks SC / 1989 / Osteoclast biology : Lessons from mammalian mutations / Am J Med Genet 34:43~54
Weinmann JP / 1941 / Bone changes related to eruption of the teeth / Angle Orthodont 11:83~99
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