 Dentsply Sirona Inc. XRAY, -0.13 , a maker of dental products and technology, said Tuesday it has completed an internal probe of financial reporting involving former and current executives and said it would restate third-quarter and full-year 2021 earnings. The probe looked at allegations of channel stuffing, a deceptive practice used to inflate sales and earnings by deliberately sending more product to distributors than they can reasonably sell. 