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Root and bone response to the proximity of a mini-implant under orthodontic loading

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dc.contributor.authorLee, Yang-Ku-
dc.contributor.authorKim, Jong-Wan-
dc.contributor.authorBaek, Seung-Hak-
dc.contributor.authorChang, Young-Il-
dc.contributor.authorKim, Tae-Woo-
dc.date.accessioned2013-01-21T05:50:46Z-
dc.date.available2013-01-21T05:50:46Z-
dc.date.issued2010-
dc.identifier.citationAngle Orthodontist; Vol.80, No.3, pp.452-458ko_KR
dc.identifier.issn0003-3219-
dc.identifier.urihttps://hdl.handle.net/10371/80864-
dc.description.abstractObjective: To determine the histological reaction of the root and bone as a mini-implant approaches the root. Materials and Methods: Two kinds of mini-implants were inserted into the buccal alveolar bone of 4 beagles (2 males and 2 females). The specimens were classified as the near-root group, the PDL contact group, the root contact group, and the root perforation group. Cementum resorption, dentin resorption, cementum repair, cementum growth, ankylosis, root cracking, and root fracture were assessed as the implant neared the root. Results: The incidence of root resorption increased when the mini-implant was less than 0.6 mm from the root in the near-root group and PDL contact group. Root cracking and root fracture occurred in the root contact group and root perforation group. Bone resorption and ankylosis were observed in some specimens. However, some specimens of the PDL contact group and root contact group had cementum growth or little root resorption despite proximity to the root. In the root perforation group, root resorption and ankylosis occurred on the side opposite the insertion. Conclusions: There is a risk of root contact and severe tissue damage from a thick mini-implant and the drilling procedure, either of which can induce root resorption or ankylosis. Use of smaller mini-implants may reduce root contact and tissue damage. However, the small mini-implant may need enhancement of its stability. (Angle Orthod. 2010;80:452-458.). ⓒ 2010 by The EH Angle Education and Research Foundation, Inc.ko_KR
dc.description.sponsorshipThis study was supported by grant number 11-2009-013 from the SNUBH Research Fund.ko_KR
dc.language.isoenko_KR
dc.publisherThe EH Angle Education and Research Foundation, Inc.ko_KR
dc.subjectAnkylosisko_KR
dc.subjectMini-implantko_KR
dc.subjectPDLko_KR
dc.subjectProximityko_KR
dc.subjectRootko_KR
dc.subjectRoot resorptionko_KR
dc.titleRoot and bone response to the proximity of a mini-implant under orthodontic loadingko_KR
dc.typeArticleko_KR
dc.contributor.AlternativeAuthor이양구-
dc.contributor.AlternativeAuthor김종완-
dc.contributor.AlternativeAuthor백승학-
dc.contributor.AlternativeAuthor장영일-
dc.contributor.AlternativeAuthor김태우-
dc.identifier.doi10.2319/070209-369.1-
dc.citation.journaltitleAngle Orthodontist-
dc.description.tc6-
Appears in Collections:
College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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