But the serrations were most efficient for piercing flesh and gripping it while ripping off a chunk of meat, called the 'puncture and pull' feeding style. Toronto Mississauga paleontologist Kirstin Brink More Quotes by Toronto Mississauga paleontologist Kirstin Brink More Quotes From Toronto Mississauga paleontologist Kirstin Brink It could take up to two years for a tooth to grow back in the big theropods like T. rex. Therefore, having specially reinforced teeth means less tooth breakage and less gaps in the jaw, leading to more efficient eating. Toronto Mississauga paleontologist Kirstin Brink science
