Yes, there are several reliable free resources online for NBDE/INBDE preparation. Platforms like Dental Panda, INBDE Bootcamp, and iDentalBoards offer free study materials, practice questions, and mock tests to help students understand key concepts and get familiar with the exam format. Additionally, Quizlet provides interactive flashcards created by students, and the JCNDE website offers official sample questions for practice. Online communities like Reddit’s r/INBDE also allow students to share tips, study plans, and helpful resources. Together, these free tools can provide a solid foundation for exam preparation without the need for paid courses.