1 Do not attempt to dump dry ice in a sink or toilet. 2  The extreme cold will harm sink and toilet parts and pipes. 3  Do not dispose of dry ice in garbage receptacles or garbage chutes. 4  Do not leave dry ice in an unventilated room to evaporate. It will release a build-up of carbon dioxide into the air that can cause rapid suffocation. 2  Do not place dry ice on a tile or laminated countertop. 3  Instead, use a solid surface-a wood cutting board or piece of plywood is best.
amelogenesis imperfecta hypomaturation type 2A1. amelogenesis imperfecta hypomaturation type 2A1. An autosomal recessive defect of enamel formation (OMIM:204700), which affects the primary and secondary dentition. The teeth have a shiny, agar-like appearance, and the enamel is softer than normal. Brown pigment is present in middle layers of enamel. Molecular pathology.
Osteogenesis imperfecta, also known as brittle bone disease, is a group of genetic disorders that mainly affect the bones. It results in bones that break easily. The severity may be mild to severe. Other symptoms may include a blue tinge to the whites of the eye, short height, loose joints, hearing loss, breathing problems, and problems with the teeth. Complications may include cervical artery dissection and aortic dissection. The underlying mechanism is usually a problem with connective tissue