Statistical Clinical Study on the Importance of Porcelain-Fused-to-Metal Restorations
Keywords:
Fixed adhesive bridgesAbstract
This clinical study aimed to evaluate the effectiveness of porcelain-fused-to-metal crowns and bridges in achieving functional, aesthetic, and anatomical aspects. The study included 60 clinical cases that were monitored regularly over a period of three years. The sample comprised 38 female patients (63.33%) and 22 male patients (36.66%), with cases distributed by age into 39 cases for individuals under the age of 40 (65%) and 21 cases for those over 40 (35%). The cases included 24 single crowns (40%) and 36 bridges (60%).
Three types of metals were used in the fabrication of these restorations: nickel-chromium in 52 cases (86.66%), palladium-gold in 3 cases (5%), and palladium-silver in 5 cases (8.33%). The success criteria included achieving aesthetic appearance, stability, and functional capability of the restorations. During the follow-up period, the results showed that all cases were stable and successful without any significant functional or aesthetic failures, except for one case (1.66%) that required repair due to porcelain fracture caused by night grinding, which was successfully corrected.
The study concluded that porcelain-fused-to-metal crowns and bridges provide a safe and effective option for dental restorations, combining the durability derived from metal reinforcement with the beauty offered by porcelain. The results emphasize the necessity of selecting appropriate metals and ensuring precision in all manufacturing stages to achieve the best outcomes and reduce failures. The study recommends further research on the factors influencing the long-term performance of these restorations, focusing on improving materials and bonding techniques.
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