Hello to you guys..
While I haven't taken the SDC Qualifying Exam myself, my cousin went through this and I've heard that it certainly is quite challenging, especially for foreign-trained dentists. The exam is designed to ensure that all practicing dentists in Singapore meet the country’s high standards..
The difficulty level can vary depending on your background and the training you received, but it's generally advisable to prepare thoroughly. As for the passing rate, it tends to be lower for foreign-trained dentists, primarily due to differences in curriculum and clinical practices.
Good luck!