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• Sixty-month follow up of three different universal adhesives used with a highly-filled flowable resin composite in the restoration of non-carious cervical lesion
  Fatma Dilsad Oz, Canan Ozturk, Reza Soleimani, Sevil Gurgan
  Clinical Oral Investigations.2022; 26(8): 5377.     CrossRef

The purpose of this study was to evaluate the effect of passive or active application of primer and coat times of bond on the shear bond strength when a self-etching primer adhesive (Clearfil SE Bond) was applied to enamel surface.

Crowns of sixteen human molars were selected. Buccal and lingual enamels of crowns were partially exposed and slabs of 1.2 mm thick were made. They were divided into one of four equal groups (n = 8). Group 1: passive application of Primer and 1 coat of Bond, Group 2: active application of Primer and 1 coat of Bond, Group 3: passive application of Primer and 2 coats of Bond, Group 4: active application of Primer and 2 coats of Bond. Clearfil AP-X was bonded to enamel suface of each group using Tygon tubes. The bonded specimens were subjected to microshear bond strength (uSBS) testing with a crosshead speed of 1 mm/min.

The results of this study were as follows;

The uSBS of Group 1 was the lowest among groups and the uSBS of Group 4 was the highest.

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• Enamel Bond Strength of Self-Etch Adhesives with Phototherapy Active Application: a Pilot Study
  M. K. Ayar, Ö. Yeşil
  Strength of Materials.2024; 56(3): 669.     CrossRef
• Influence of application methods of one-step self-etching adhesives on microtensile bond strength
  Chul-Kyu Choi, Sung-Ae Son, Jin-Hee Ha, Bock Hur, Hyeon-Cheol Kim, Yong-Hun Kwon, Jeong-Kil Park
  Journal of Korean Academy of Conservative Dentistry.2011; 36(3): 203.     CrossRef
• The effect of various bonding systems on the microtensile bond strength of immediate and delayed dentin sealing
  Jin-hee Ha, Hyeon-Cheol Kim, Bock Hur, Jeong-Kil Park
  Journal of Korean Academy of Conservative Dentistry.2008; 33(6): 526.     CrossRef

This study evaluated the influence of application time of self-etching primers on microtensile bond strength (μTBS) to dentin using three self-etching primer adhesive systems.

Dentin surfaces were exposed from forty-eight human molars. They were conditioned with three self-etching primers (Clearfil SE Bond [SE], Unifil Bond [UF], Tyrian SPE + One Step Plus [TY]) and different primining times (10s, 20s, 30s and 40s). Composite resins were bonded to dentin surfaces and specimens were made. μTBS was tested and statistically compared using by one-way ANOVA and Tukey’s Test.

The results of this study presented that priming time for 10s in SE and UF groups and for 30s and 40s in TY group was highly decreased μTBS to dentin.

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• The utility of dental health capacity of the first permanent molars as an oral health indicator among children and adolescents
  Sun-Ho Lee, Heung-Soo Lee, Hyo-Won Oh, Hyun-Jeong Ju, So-Young Park
  Journal of Korean Academy of Oral Health.2015; 39(3): 174.     CrossRef
• Logistic regression analysis of factors affecting the survival of first molars in Korean adults
  Sung-Suk Chung, Jong-Bae Kim, Young-Sam Kim, Young-Ran Jung, Jin-Sil Hong, Ju-Yeon Kim, Kee-Wan Chang
  Journal of Korean Academy of Oral Health.2015; 39(2): 88.     CrossRef
• Dental health capacity of the first permanent molars among children and adolescents in Korea for the year 2010
  Sun-Ho Lee, Hyun-Jeong Ju, So-Young Park, Hyo-Won Oh, Heung-Soo Lee
  Journal of Korean Academy of Oral Health.2013; 37(2): 103.     CrossRef

The purpose of this study was to compare and to evaluate the combination use of 5 kinds of dentin adhesive systems and 5 kinds of composite resins using micro-shear bond test. Five adhesive systems (Prime & Bond NT (PBN), Onecoat bond (OC), Excite (EX), Syntac (SY), Clearfil SE bond (CS)) and five composite resins (Spectrum (SP), Synergy Compact (SC), Tetric Ceram (TC), Clearfil AP-X (CA), Z100 (Z1)) were used for this study (5 × 5 = 25group, n = 14/group). The slices of horizontally sectioned human tooth were bonded with each bonding system and each composite resin, and tested by a micro-shear bond strength test. These results were analyzed statistically. The mean micro-shear bond strength of dentin adhesive systems were in order of CS (22.642 MPa), SY (18.368 MPa), EX (14.599 MPa), OC (13.702 MPa), PBN (12.762 MPa). The mean bond strength of self-etching primer system group (CS, SY) in dentin was higher than that of self-priming adhesive system groups (PBN, EX, OC) significantly (P<0.05). The mean bond strength of composite resins was in order of SP (19.008 MPa), CA (17.532 MPa), SC (15.787 MPa), TC (15.068 MPa), Z1 (14.678 MPa). Micro-shear bond strength of SP was stronger than those of other composite resins significantly (P < 0.05). And those of TC and Z1 were weaker than other composite resins significantly (P < 0.05). No difference was found in micro-shear bond strength of composite resin in self-etching primer adhesive system groups (CS, SY) statistically. However, there was significant difference of micro-shear bond strength of composite resin groups in self-priming adhesive systems group (PBN, EX, OC). The combination of composite resin and dentin adhesive system recommended by manufacturer did not represent positive correlation. It didn’t seem to be a significant factor.

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• Effect of pre-heating on some physical properties of composite resin
  Myoung Uk Jin, Sung Kyo Kim
  Journal of Korean Academy of Conservative Dentistry.2009; 34(1): 30.     CrossRef
• Correlation Between the Amount of Linear Polymerization Shrinkage and Cuspal Deflection
  S-Y. Lee, S-H. Park
  Operative Dentistry.2006; 31(3): 364.     CrossRef
• Correlation between Linear polymerization shrinkage & tooth cuspal deflection
  Soon-Young Lee, Sung-Ho Park
  Journal of Korean Academy of Conservative Dentistry.2005; 30(6): 442.     CrossRef

The purpose of this study was to compare in vitro interfacial relationship of restorations bonded with three self-etching primer adhesives and one self-etching adhesive.

Class I cavity preparations were prepared on twenty extracted human molars. Prepared teeth were divided into four groups and restored with four adhesives and composites: Clearfil SE Bond/Clearfil™ AP-X (SE), UniFil Bond/UniFil® F (UF), FL Bond/Filtek™ Z 250 (FL) and Prompt L-Pop/Filtek™ Z 250 (LP)

After storing in distilled water of room temperature for 24 hours, the specimens were vertically sectioned and decalcified. Morphological patterns between the enamel/dentin and adhesives were observed under SEM.

The results of this study were as follows;

1. They showed close adaptation between enamel and SE, UF and FL except for LP.

2. The hybrid layer in dentin was 2 µm thick in SE, 1.5 µm thick in UF, and 0.4 µm in both FL and LP. So, the hybrid layers of SE and UF were slightly thicker than that of FL and LP.

3. The lengths and diameters of resin tags in UF and FL were similar, but those of LP were slightly shorter and slenderer than those of SE.

4. The resin tags were long rod shape in SE, and funnel shape in other groups.

Within the limitations of this study, it was concluded that self-etching primer adhesives showed close adaptation on enamel. In addition, the thickness of hybrid layer ranged from 0.4-1.5 µm between adhesives and dentin. The resin tags were long rod or funnel shape, and dimension of them was similar or different among adhesives.

Citations

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• Influence of appication time of self-etching primers on dentinal microtensile bond strength
  Young-Gon Cho, Young-Gon Lee, Jong-Uk Kim, Byung-Cheul Park, Jong-Jin Kim, Hee-Young Choi, Cheul-Hee Jin, Sang-Hoon Yoo
  Journal of Korean Academy of Conservative Dentistry.2004; 29(5): 430.     CrossRef

This study evaluated the microleakage performance of four self-etcing primer adhesives(Clearfil SE Bond, Clearfil Liner Bond 2, UniFil Bond, and FL Bond) and one self-etching adhesive(Prompt L-Pop). Class V cavity preparations with occlusal margins in enamel and gingival margins in dentin were prepared on both buccal and lingual surfaces of 50 extracted human molar teeth. Prepared teeth were randomly divided into five groups and restored using one of five adhesives and composite resins: Prompt L-Pop/Filtek Z 250(Group 1), Clearfil SE Bond/Clearfil AP-X(Group 2), Clearfil Liner Bond 2/Clearfil AP-X(Group 3), UniFil Bond/UniFil F(Group 4), and FL Bond/Filtek Z 250(Group 5).

Following one day storage in room temperature water, the restored teeth were thermocycled for 500 cycles between 5℃ and 55℃. Marginal microleakage was assessed by dye penetration using 2% methylene blue dye. After 24 hours, the teeth were sectioned longitudinally and evaluated for microleakage under steromicroscope. The data were statistically analysed by Kruskal-Wallis Test, Mann-Whitney and Wilcoxon signed ranked tests.

The results of this study were as follows;

1. The microleakges at both enamel and dentinal margins were the lowest in group 4, increasing among groups in the following order: group 2, follwed by group 5, follwed by group 1, and the highest in group 3.

2. At the enamel margins, the microleakage of group 3 was significantly higher than those of groups 2, 4 and 5(p<0.05), and also the microleakage of group 1 was statistically higher than those of groups 2 and 5(p<0.05).

3. At the dentinal margins, microleakage of group 3 was significantly higher than microleakages of groups 1, 2, 4 and 5(p<0.05).

4. Compared with microleakages between the enamel and dentinal margins of each group, groups 1, 4 and 5 at enamel margin and group 2 and group 3 at dentinal margin were higher microleakage. But there was no significant difference between enamel and dentinal microleakages of each group(p>0.05).

Citations

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• Effect of cutting instruments on the dentin bond strength of a self-etch adhesive
  Young-Gon Lee, So-Ra Moon, Young-Gon Cho
  Journal of Korean Academy of Conservative Dentistry.2010; 35(1): 13.     CrossRef
• Comparison of bond strength of a fiber post cemented with various resin cements
  Hyun-A Lee, Young-Gon Cho
  Journal of Korean Academy of Conservative Dentistry.2008; 33(6): 499.     CrossRef
• Enamel adhesion of light- and chemical-cured composites coupled by two step self-etch adhesives
  Sae-Hee Han, Eun-Soung Kim, Young-Gon Cho
  Journal of Korean Academy of Conservative Dentistry.2007; 32(3): 169.     CrossRef
• Effect of microleakage of a self-etching primer adhesive according to types of cutting instruments
  Yong-Hee Kim, Jae-Gu Park, Young-Gon Cho
  Journal of Korean Academy of Conservative Dentistry.2007; 32(4): 327.     CrossRef
• Influence of appication time of self-etching primers on dentinal microtensile bond strength
  Young-Gon Cho, Young-Gon Lee, Jong-Uk Kim, Byung-Cheul Park, Jong-Jin Kim, Hee-Young Choi, Cheul-Hee Jin, Sang-Hoon Yoo
  Journal of Korean Academy of Conservative Dentistry.2004; 29(5): 430.     CrossRef
• Morphological patterns of self-etching primers and self-etching adhesive bonded to tooth structure
  Young-Gon Cho, Seok-Jong Lee, Jin-Ho Jeong, Young-Gon Lee, Soo-Mee Kim
  Journal of Korean Academy of Conservative Dentistry.2003; 28(1): 23.     CrossRef
• Shear bond strength of self-etching adhesives to dentin and sem analysis
  Young-Gon Cho, Kee-Sun Roh, Soo-Mee Kim, Young-Gon Lee, Jin-Ho Jeong, Young-Jae Ki
  Journal of Korean Academy of Conservative Dentistry.2003; 28(3): 222.     CrossRef
• The effect of additional enamel etching on microleakage of the adhesion of self-etching primer system
  Jung-Jin Yoon, Kyung-San Min, Chan-Ui Hong
  Journal of Korean Academy of Conservative Dentistry.2003; 28(5): 363.     CrossRef