Final answer:
The Naval Postgraduate Dental School offers dental degree programs, dental residency programs, and continuing education courses. So, the correct answer is option 4.
Step-by-step explanation:
The Naval Postgraduate Dental School offers all of the above.
1) Dental degree programs: The school offers several dental degree programs, such as the Advanced Education in General Dentistry Residency Program and the Operative Dentistry Residency Program.
2) Dental residency programs: The school provides various dental residency programs to further the education and training of dental professionals.
3) Continuing education courses: The school also offers continuing education courses for dental professionals to stay updated with the latest advancements in the field.
So, the correct answer is option 4.