The Chipped teeth or rounded edges are sure signs, check the wear line of carbide edges by use of any bright light and magnify glass to identify if it’s starting to dull.
That is better for you need to know a new circular saw blade look a new blade worn-down, chipped, broken and chipped carbide tips or missing teeth

Co-Founder Cord To Cordless
Huzmad is a hobbyist and experienced person from the wood and metal industry. Only try to build constructive things using corded and cordless tools.
In addition to his construction experience, Huzmad also a Gardener and home improver Whether it was helping brothers to make cedar cabinets, and use the machines as a passion to do-it-yourself mentality runs strong trust in this field
I am excited to help you to handle your projects and discover new ways to improve your home and reduce your efforts by doing well at your jobs.