[header] How to make dog toothpaste [title] Melt 3 tablespoons of coconut oil in a small, microwave-safe bowl. [step] The coconut oil will give the toothpaste a smooth, thick consistency. It is also naturally antibacterial, and may help fight bad breath and cavities. 
You can melt the coconut oil in the microwave or in a double-boiler. Melting the coconut oil first will help the rest of the ingredients mix into it more smoothly.