Saw blade

A system comprising:

• a blade comprising a base and a plurality of teeth extending generally outwardly from said base, wherein at least one of said plurality of teeth comprises a first and a second portion, said first portion including a cutting tip having an initial rake angle and said second portion including a cutting tip having a second rake angle greater than said initial rake angle, wherein said second portion is disposed closer to said base than said first portion;
• and
• a motor configured to move said blade.

A method comprising:

• providing a first blade configuration having at least one tooth including a first cutting tip;
• and
• removing all linear sections from said first cutting tip of said first blade configuration to form a second blade configuration including a second cutting tip having a continuous arcuate shape.

The method of claim 27, wherein said first second blade configuration comprises a first and a second portion, said first portion including a cutting tip having an initial rake angle and said second portion including a cutting tip having a second rake angle greater than said initial rake angle when the material of said first portion is worn from said tip.