garre's sclerosing osteomyelitis garre's sclerosing osteomyelitis garre's sclerosing osteomyelitis is a type of chronic osteomyelitis also called periostitis ossificans and garré's sclerosing osteomyelitis. garre's sclerosing osteomyelitisother namesproliferative periostitisspecialtyinfectious disease it is a rare disease. it mainly affects children and young adults. it is associated with a low grade infection, which may be due to dental caries (cavities in the teeth). the body of the mandible may show irregular lucent/opaque changes with subperiosteal opaque layering along inferior border. it is a chronic osteomyelitis with subperiosteal bone and collagen deposition. there is no suppuration and sinus formation. it was first described by the swiss surgeon carl garré.