With All-on-4, your new teeth are securely anchored to posts in your jaw. That means they stay in place. In contrast, with dentures, your new teeth sit on top of your gums and rely on suction or adhesives. They may slip around when speaking or eating.

Moreover, you need to remove your dentures for cleaning, while All-on-4 implants are permanent features. Most importantly, the latter stimulates natural bone growth and maintains volume.