Tomohiko Tamura, Toshiki Takamizawa, Ryo Ishii, Eizo Hirokane, Akimasa Tsujimoto, Wayne W Barkmeier, Mark A Latta, Masashi Miyazaki
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Experiment 1: (1) BZP alone without light irradiation (BZP w/o); (2) BZP alone with light irradiation (BZP w/); (3) BZP without light irradiation followed by BZB (BZPB w/o); (4) BZP with light irradiation followed by BZB (BZPB w/). Experiment 2: (1) BZPB w/o, (2) SE primer + BZ bonding agent (SEP + BZB), and (3) SE primer + SE bonding agent (SEPB). The bonded specimens of experiment 1 and 2 were subjected to SBS tests. Experiment 3: Bonded specimens following the same experimental protocol as experiment 2 were subjected to SFS tests. \nResults: BZPB showed significantly higher mean enamel and dentin SBS than did BZP. BZPB showed significantly higher SBS without light irradiation than with light irradiation to both substrates. The group of BZPB without light irradiation showed significantly higher SBS than the group of BZPB with light irradiation to both substrates. For experiments 2 and 3, although no significant differences were found in SBS among groups for enamel, SEP + BZB showed a significantly lower SBS and SFS than other groups for dentin. \nConclusions: BZF showed bonding performance equivalent to that of the gold standard Clearfil SE Bond 2.</p>","PeriodicalId":55604,"journal":{"name":"Journal of Adhesive Dentistry","volume":"22 6","pages":"635-646"},"PeriodicalIF":2.5000,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Influence of a Primer Resembling Universal Adhesive on the Bonding Effectiveness of an Experimental Two-step Self-etch Adhesive.\",\"authors\":\"Tomohiko Tamura, Toshiki Takamizawa, Ryo Ishii, Eizo Hirokane, Akimasa Tsujimoto, Wayne W Barkmeier, Mark A Latta, Masashi Miyazaki\",\"doi\":\"10.3290/j.jad.a45519\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Purpose: To investigate the effect of application of a primer resembling a universal adhesive with or without light irradiation followed by a hydrophobic bonding agent on bonding effectiveness, based on shear bond strength (SBS) and shear fatigue strength (SFS) tests. \\nMaterials and Methods: An experimental two-step self-etch adhesive (BZF) that comprises a primer resembling a universal adhesive (BZP) and a hydrophobic bonding agent (BZB) were used. The two-step self-etch adhesive, Clearfil SE Bond 2 (SE), served as a comparison. Three experiments were conducted. Experiment 1: (1) BZP alone without light irradiation (BZP w/o); (2) BZP alone with light irradiation (BZP w/); (3) BZP without light irradiation followed by BZB (BZPB w/o); (4) BZP with light irradiation followed by BZB (BZPB w/). Experiment 2: (1) BZPB w/o, (2) SE primer + BZ bonding agent (SEP + BZB), and (3) SE primer + SE bonding agent (SEPB). The bonded specimens of experiment 1 and 2 were subjected to SBS tests. Experiment 3: Bonded specimens following the same experimental protocol as experiment 2 were subjected to SFS tests. \\nResults: BZPB showed significantly higher mean enamel and dentin SBS than did BZP. BZPB showed significantly higher SBS without light irradiation than with light irradiation to both substrates. The group of BZPB without light irradiation showed significantly higher SBS than the group of BZPB with light irradiation to both substrates. 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引用次数: 3
摘要
目的:通过剪切粘接强度(SBS)和剪切疲劳强度(SFS)试验，研究疏水剂和类似万能胶粘剂的底漆在光照或不光照条件下对粘接效果的影响。材料与方法:采用一种两步自蚀刻胶粘剂(BZF)，该胶粘剂由一种类似万能胶粘剂(BZP)的底漆和一种疏水粘合剂(BZB)组成。两步自蚀刻胶clearfilse Bond 2 (SE)作为比较。进行了三个实验。实验一:(1)单独使用BZP不进行光照射(BZP w/o);(2)单独光照射BZP (BZP w/);(3)未光照的BZP，其次是BZB (BZPB w/o);(4)光照射下的BZP，其次是BZB (BZPB w/)。实验2:(1)BZPB w/o， (2) SE引物+ BZ粘合剂(SEP + BZB)， (3) SE引物+ SE粘合剂(SEPB)。实验1和2的粘结试件进行了SBS试验。实验3:采用与实验2相同的实验方案对粘结试件进行SFS试验。结果:BZPB组牙釉质和牙本质SBS的平均值明显高于BZP组。两种底物经光照射后，BZPB的SBS均显著高于光照射后的SBS。未光照的BZPB组的SBS显著高于两种底物均光照的BZPB组。实验2和实验3中，虽然各组间牙釉质的SBS差异不显著，但SEP + BZB组牙本质的SBS和SFS明显低于其他各组。结论:BZF的粘接性能与金标准Clearfil SE Bond 2相当。
Influence of a Primer Resembling Universal Adhesive on the Bonding Effectiveness of an Experimental Two-step Self-etch Adhesive.
Purpose: To investigate the effect of application of a primer resembling a universal adhesive with or without light irradiation followed by a hydrophobic bonding agent on bonding effectiveness, based on shear bond strength (SBS) and shear fatigue strength (SFS) tests.
Materials and Methods: An experimental two-step self-etch adhesive (BZF) that comprises a primer resembling a universal adhesive (BZP) and a hydrophobic bonding agent (BZB) were used. The two-step self-etch adhesive, Clearfil SE Bond 2 (SE), served as a comparison. Three experiments were conducted. Experiment 1: (1) BZP alone without light irradiation (BZP w/o); (2) BZP alone with light irradiation (BZP w/); (3) BZP without light irradiation followed by BZB (BZPB w/o); (4) BZP with light irradiation followed by BZB (BZPB w/). Experiment 2: (1) BZPB w/o, (2) SE primer + BZ bonding agent (SEP + BZB), and (3) SE primer + SE bonding agent (SEPB). The bonded specimens of experiment 1 and 2 were subjected to SBS tests. Experiment 3: Bonded specimens following the same experimental protocol as experiment 2 were subjected to SFS tests.
Results: BZPB showed significantly higher mean enamel and dentin SBS than did BZP. BZPB showed significantly higher SBS without light irradiation than with light irradiation to both substrates. The group of BZPB without light irradiation showed significantly higher SBS than the group of BZPB with light irradiation to both substrates. For experiments 2 and 3, although no significant differences were found in SBS among groups for enamel, SEP + BZB showed a significantly lower SBS and SFS than other groups for dentin.
Conclusions: BZF showed bonding performance equivalent to that of the gold standard Clearfil SE Bond 2.
期刊介绍：
New materials and applications for adhesion are profoundly changing the way dentistry is delivered. Bonding techniques, which have long been restricted to the tooth hard tissues, enamel, and dentin, have obvious applications in operative and preventive dentistry, as well as in esthetic and pediatric dentistry, prosthodontics, and orthodontics. The current development of adhesive techniques for soft tissues and slow-releasing agents will expand applications to include periodontics and oral surgery. Scientifically sound, peer-reviewed articles explore the latest innovations in these emerging fields.
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