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.
이용수
초록· 키워드
오류제보하기
Objective: To evaluate the effects of ultrasonic instrumentation with different scaler-tip angulations on the shear bond strength (SBS) and bond failure mode of metallic orthodontic brackets. Methods: Adhesive pre-coated metallic brackets were bonded to 72 extracted human premolars embedded in autopolymerizing acrylic resin. The teeth were randomly divided into 3 groups (n = 24 each) to undergo no treatment (control group) or ultrasonic instrumentation with a scaler-tip angulation of 45˚ (45˚-angulation group) or 0˚ (0˚-angulation group). SBS was tested in a universal testing machine, and adhesive remnant index (ARI) scores were recorded. The Kruskal-Wallis test and Mann-Whitney U-test were used for statistical analysis. Results: The control group had a significantly higher mean SBS value than the treated groups, which showed no significant differences in their mean SBS values. The ARI scores were not significantly different among the groups. Conclusions: Ultrasonic instrumentation around the bracket base reduces the SBS of metallic orthodontic brackets, emphasizing the need for caution during professional oral hygiene procedures in orthodontic patients. The scaler-tip angulation does not influence the SBS reduction and bond failure mode of such brackets.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES
참고문헌 (29)
참고문헌 신청
1. [학술지(정기간행물)] - Ogaard B / 1988 / Orthodontic appliances and enamel demineralization. Part 1. Lesion development / Am J Orthod Dentofacial Orthop 94 : 68 ~ 73
2. [학술지(정기간행물)] - Zanarini M / 2012 / In vitro evaluation of the effects of a fluoride-releasing composite on enamel demineralization around brackets / Prog Orthod 13 : 10 ~ 16
3. [학술지(정기간행물)] - Chapman JA / 2010 / Risk factors for incidence and severity of white spot lesions during treatment with fixed orthodontic appliances / Am J Orthod Dentofacial Orthop 138 : 188 ~ 194
4. [학술지(정기간행물)] - Atack NE / 1996 / Periodontal and microbiological changes associated with the placement of orthodontic appliances / A review. J Periodontol 67 : 78 ~ 85
5. [학술지(정기간행물)] - Petti S / 1997 / Effect of orthodontic therapy with fixed and removable appliances on oral microbiota: a six-month longitudinal study / New Microbiol 20 : 55 ~ 62
2. [학술지(정기간행물)] - Zanarini M / 2012 / In vitro evaluation of the effects of a fluoride-releasing composite on enamel demineralization around brackets / Prog Orthod 13 : 10 ~ 16
3. [학술지(정기간행물)] - Chapman JA / 2010 / Risk factors for incidence and severity of white spot lesions during treatment with fixed orthodontic appliances / Am J Orthod Dentofacial Orthop 138 : 188 ~ 194
4. [학술지(정기간행물)] - Atack NE / 1996 / Periodontal and microbiological changes associated with the placement of orthodontic appliances / A review. J Periodontol 67 : 78 ~ 85
5. [학술지(정기간행물)] - Petti S / 1997 / Effect of orthodontic therapy with fixed and removable appliances on oral microbiota: a six-month longitudinal study / New Microbiol 20 : 55 ~ 62
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UCI(KEPA) : I410-ECN-0101-2015-510-001264457