In general the serrated edge will be superior when slicing through thick, tough and more fibrous materials. ... Serrations also tend to be thinner (usually chisel ground) than most plain edges, which allows them to cut better than plain edge knives.

What is a serrated knife good for?

Serrated knives, with their scalloped, toothlike edge, are ideal for cutting through foods with a hard exterior and softer interior, such as a loaf of crusty bread. The principle behind a serrated knife is similar to that of a saw: The teeth of the blade catch and then rip as the knife smoothly slides through the food.

Which is better serrated or straight blade?

In general, the plain edge is better than the serrated when the application involves push cuts. ... In general, the serrated edge will work better than the plain edge for slicing cuts, especially through hard or tough surfaces, where the serrations tend to grab and cut the surface easily.