How do "creation scientists" explain the dentary bone?

The lower jaw of all mammals consists of a pair of dentary bones (a left and a right) which are articulated together at the chin. All mammals have only this one pair of bones making up the lower jaw. Reptiles, birds, and amphibians, however, have in addition to the dentary bones several other pairs of bones making up the lower jaw. These bones include the angulars, splenials, postsplenials, etc. According to accepted science, the presence of this single pair of bones in mammal jaws is a result of the loss of the other elements which were present in the ancestors of mammals simultaneous with the enlargement of the dentary bones. The progressive loss of other elements and the enlargement of the dentary bones is seen in a progression of transitional fossils from mammal-like reptiles, to reptile-like mammals, and to early mammals. How do the other type of "scientists" who call themselves "creation scientists" or ID creationists explain the dentary bone without invoking the supernatural (which can not be done in science)?