지원사업
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
- 2014.9
- 수록면
- 197 - 207 (11page)
- DOI
- 10.14815/kjdm.2014.41.3.197
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이 논문의 연구 히스토리 (2)
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초록· 키워드
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The purpose of this study was to evaluate the effects of the periodic topical fluoride application before (APF gel) and after (fluoride varnish) bracket bonding, on the shear bond strength of orthodontic brackets bonded to bovine teeth. Eighty permanent mandibular incisors of bovine with whole enamel and no decalcification, cracks, or fractures were used. After being extracted, the teeth were kept in a 0.1% tymol solution for disinfection for 1 week. Forty bovine teeth were untreated (CTL, EXP-1), and 40 teeth were pre-treated with 1.23% APF gel about 14 times during 28 days (EXP-2, EXP-3), and XRD analysis was performed to detect the formation of new crystal. After orthodontic bracket adhesion, each groups were divided into 2 subgroups. One subgroup was untreated (CTL, EXP-2) and stored in deionized water (37 ℃) for 28 days, and the other subgroup was treated with fluoride varnish for 4 times during 28 days (EXP-1, EXP-3). SBS test and ARI evaluation were performed, and the data were analyzed using Newman-Keuls multiple comparisons test (p=0.01).
Calcium fluoride as well as fluorapatite crystals were formed on the bovine surface after periodical APF gel treatment. Pre-treatment with APF gel caused significant decrease of bond strength and different ARI scores compared to the control group. Post-treatment with fluoride varnish after bracket bonding resulted in significant decrease of bond strength also, however, the strength was higher than the clinically recommended values (6-8 MPa). Both pre-treatment and post-treatment with fluoride agents showed similar SBS and ARI score to the groups with only pre-treatment and no further worsening was observed. Therefore, the post-treatments of fluoride can be suggested after bracket bonding for reduced caries and white spot formations with maintaining proper bonding durability.
Calcium fluoride as well as fluorapatite crystals were formed on the bovine surface after periodical APF gel treatment. Pre-treatment with APF gel caused significant decrease of bond strength and different ARI scores compared to the control group. Post-treatment with fluoride varnish after bracket bonding resulted in significant decrease of bond strength also, however, the strength was higher than the clinically recommended values (6-8 MPa). Both pre-treatment and post-treatment with fluoride agents showed similar SBS and ARI score to the groups with only pre-treatment and no further worsening was observed. Therefore, the post-treatments of fluoride can be suggested after bracket bonding for reduced caries and white spot formations with maintaining proper bonding durability.
목차
ABSTRACT
서론
연구재료 및 방법
연구결과
총괄 및 고안
결론
참고문헌
참고문헌 (52)
참고문헌 신청
1. [학술지(정기간행물)] - Adanir N / 2009 / Effects of adhesion promoters on the shear bond strengths of orthodontic brackets to fluorosed enamel / Eur J Orthod 31 : 276 ~ 280
2. [학술지(정기간행물)] - Årtun J / 1984 / Clinical trials with crystal growth conditioning as alternative to acid etch enamel pretreatment / Am J Orthod 85 : 333 ~ 340
3. [학술지(정기간행물)] - Attin R / 2012 / Shear bond strength of brackets to demineralize enamel after different pretreatment methods / Angle Orthod 82 : 56 ~ 61
4. [학술지(정기간행물)] - Bishara SE / 1989 / The effect of the bonding strength of orthodontic brackets of fluoride application after etching / Am J Orthod Dentofac Orthop 95 : 259 ~ 260
5. [학술지(정기간행물)] - Bishara SE / 2005 / Effects of using a new protective sealant on the bond strength of orthodontic brackets / Angle Orthod 75 : 243 ~ 246
2. [학술지(정기간행물)] - Årtun J / 1984 / Clinical trials with crystal growth conditioning as alternative to acid etch enamel pretreatment / Am J Orthod 85 : 333 ~ 340
3. [학술지(정기간행물)] - Attin R / 2012 / Shear bond strength of brackets to demineralize enamel after different pretreatment methods / Angle Orthod 82 : 56 ~ 61
4. [학술지(정기간행물)] - Bishara SE / 1989 / The effect of the bonding strength of orthodontic brackets of fluoride application after etching / Am J Orthod Dentofac Orthop 95 : 259 ~ 260
5. [학술지(정기간행물)] - Bishara SE / 2005 / Effects of using a new protective sealant on the bond strength of orthodontic brackets / Angle Orthod 75 : 243 ~ 246
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