Across
- 2. Exposed the first dental radiograph in the US using a live patient
- 5. Portion of the radiograph that appears white or light
- 7. Made the first dental radiograph using a skull
- 9. The art and science of making radiographs by the exposure of film to x-rays
- 10. Established the first college course in radiography for dental students
- 11. Built the first vacuum tuber in 1838
- 14. The study of radiation
- 16. Developed the first hot cathode x-ray tube
- 17. Published the first paper on the dangers associated with radiation
- 18. A form of energy carried by waves or stream of particles
- 19. Made the first dental radiograph
- 20. Father of modern dental radiography
Down
- 1. Used the tube to study fluorescence
- 3. Manufactured the first pre-wrapped intraoral films
- 4. A picture on film produced by the passage of x-rays through an object or body
- 6. Introduced the bisecting technique
- 8. The art of making of radiographs of the teeth and adjacent by the exposure of film to x-rays
- 12. Portion of the radiograph that appears dark
- 13. Father of X-rays
- 15. Redesigned the vacuum tube