An In vitro Comparative Analysis of the Shear Bond Value of Sixth, Seventh and Eight Generation Dentin Bonding Agents.

IF 0.9 Q4 PHARMACOLOGY & PHARMACY Journal of pharmacy & bioallied sciences Pub Date : 2024-12-01 Epub Date: 2024-09-21 DOI:10.4103/jpbs.jpbs_851_24

Prashant Jalannavar, Suresh Kumar Kalgapure, Vijay Parmar, Sopan Singh, Ashtha Arya, Karishma Dudekula, Kanika S Dhull

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Abstract

Objective: This study evaluates the shear bond strength (SBS) of 6^th, 7^th, and 8^th generation dentin bonding agents.

Materials and methods: Thirty extracted premolars were divided into three groups of 10. Group A used a 6^th generation bonding agent, Group B a 7^th generation bonding agent, and Group C a 8^th generation bonding agent. Each tooth was fixed in acrylic resin, sectioned to expose dentin, treated with the respective bonding agent, and built up with composite resin. SBS was assessed by universal testing machine.

Results: Highest shear bond value was illustrated by the 8^th generation bonding agent, with subsequent values progressively lower for the 7^th and 6^th generation bonding agents.

Conclusion: The 8^th generation bonding agents exhibit superior shear bond strength, suggesting enhanced dental restoration durability. Further clinical validation is recommended.

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第6代、第7代、第8代牙本质粘接剂剪切黏结值的体外比较分析。

目的：评价第6代、第7代、第8代牙本质粘接剂的剪切结合强度（SBS）。材料与方法：30颗拔除的前磨牙分为3组，每组10颗。A组为第6代粘接剂，B组为第7代粘接剂，C组为第8代粘接剂。每颗牙齿都用丙烯酸树脂固定，切片露出牙本质，用各自的粘合剂处理，并用复合树脂建立。SBS采用万能试验机进行评定。结果：第8代黏合剂的剪切黏结值最高，第7代和第6代黏结剂的剪切黏结值逐渐降低。结论：第8代粘结剂具有较好的剪切粘结强度，可提高修复体的耐久性。建议进一步的临床验证。

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