When identifying victims of disaster such as plane and train crashes approximately 93 percent of identifications are made of the basis of which characteristic?

When identifying victims of disasters like plane and train crashes, approximately 93 percent of identifications are made based on dental records. This method is preferred due to the durability of teeth and the detailed information they provide about an individual's identity, including unique dental work and characteristics. Additionally, dental records are often readily available and can be compared quickly to assist in the identification process.