Evaluation of tin plating systems for a high-noble alloy

Area of Science:

• Dental Materials Science
• Biomaterials Engineering
• Adhesive Dentistry

Background:

• High-noble alloys are frequently used in dental restorations.
• Achieving durable bonds between dental cements and alloys is crucial for restoration longevity.
• Surface treatments like tin plating can potentially improve cement-alloy adhesion.

Purpose of the Study:

• To evaluate the effect of two intraoperatory tin plating systems on the tensile bond strength of Panavia EX to a high-noble alloy.
• To compare the efficacy of Kura Ace Mini and Micro Tin plating systems.

Main Methods:

• Type III gold alloy specimens were prepared, abrasive sprayed with aluminum oxide, and divided into three groups.
• Two groups received intraoperatory tin plating using Kura Ace Mini or Micro Tin units, respectively.
• One group served as a control (no tin plating). All specimens were luted with Panavia EX, thermocycled, and tested for tensile bond strength.

Main Results:

• No significant difference in tensile bond strength was observed between the two tin plating groups (Kura Ace Mini vs. Micro Tin).
• Both tin-plated groups demonstrated significantly higher tensile bond strength compared to the control group (P < .05).

Conclusions:

• Intraoperatory tin plating effectively enhances the bond strength of Panavia EX to high-noble alloys.
• Both Kura Ace Mini and Micro Tin systems provide comparable improvements in cement-alloy adhesion.
• Tin plating is a viable surface treatment to improve the durability of cement-alloy interfaces in dental restorations.