If you want "better fillings" after having silver (amalgam) fillings then you may want to consider KCP. This is a newer technology that is often not available in small towns or areas in which dentists are not investing in the most modern tools and technology. You can learn more here - northraleighdentist.com/our-service/kcp-kinetic-cavity-preparation-air-abrasion-technology/
Is this something you have tried? Was it successful? Did it hurt?