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Awiruth Klaisiri. The effect of morpholine on composite-to-composite repair strength contaminated with saliva. Doctoral Degree(Oral Health Science). Thammasat University. Thammasat University Library. : Thammasat University, 2022.
The effect of morpholine on composite-to-composite repair strength contaminated with saliva
ผลของมอร์ฟอลีนต่อค่าแรงยึดการซ่อมแซมคอมโพสิตที่ปนเปื้อนน้ำลายด้วยคอมโพสิต
Name: Awiruth Klaisiri
keyword:
Morpholine
;
Repair
Abstract:
This study's purpose was to investigate the effects of morpholine on the chemical surface modifications of aged resin composites that had been contaminated with saliva on new resin composite repair ability. One hundred thirty-five resin composite specimens were prepared and thermocycled to imitate an aged resin composite. Depending on the different surface contamination and surface treatment strategies, the aged resin composites were randomized divided into 9 groups (n = 15) as follows ; group 1- no surface treatment, group 2- no saliva + adhesive agent, group 3- no saliva + morpholine + adhesive agent, group 4- no saliva + morpholine, group 5- saliva, group 6- saliva + adhesive agent, group 7- saliva + morpholine + adhesive agent, group 8- saliva + morpholine, and group 9- saliva + phosphoric acid + adhesive agent. The specimen center's top was covered with an ultradent template, and resin composite was then filled in. The shear bond strengths and failure modes were investigated. One-way ANOVA was used to examine the data gathered, and Tukey's test was used to assess the significant level. The statistically lowest shear bond strengths were found in groups 5 (3.31±0.95 MPa) and 6 (4.05±0.93 MPa), whilst the greatest shear bond strengths were found in groups 3 (23.66±1.35 MPa) and 7 (22.88±1.96 MPa). The shear bond strength in group 2 (16.41±1.22 MPa) was significantly different from groups 1 (9.83±1.13 MPa), 4 (10.71±0.81 MPa) and 8 (10.36±1.53 MPa), while group 9 (17.31±1.48 MPa) shear bond strength was not significantly different. In result, the shear bond strength of aged resin composites repaired with new resin composites was enhanced by applying morpholine to them either with or without contaminated saliva before the adhesive agent application
Thammasat University. Thammasat University Library
Address:
BANGKOK
Email:
preserv@tu.ac.th
Name: Siriwan Suebnukarn
Role:
advisor
Name: Niyom Thamrongananskul
Role:
co-advisor
Created:
2022
Modified:
2024-07-16
Issued:
2024-07-16
วิทยานิพนธ์/Thesis
application/pdf
eng
DegreeName: Doctor of Philosophy
Level: Doctoral Degree
Descipline: Oral Health Science
Grantor: Thammasat University
©copyrights Thammasat University
RightsAccess:
ใช้เวลา
0.037911 วินาที
Awiruth Klaisiri
| Title | Contributor | Type |
|---|---|---|
| The effect of morpholine on composite-to-composite repair strength contaminated with saliva
มหาวิทยาลัยธรรมศาสตร์ Awiruth Klaisiri | Siriwan Suebnukarn Niyom Thamrongananskul | วิทยานิพนธ์/Thesis |
Siriwan Suebnukarn
Niyom Thamrongananskul