See pages 343+ of the above book, Pediatric Dentistry : A Clinical Approach.
For the above book, StatPearls, use the Search this book box and search on Spina Bifida, or just hit CTRL F (CMD F on a MAC), and search for Spina Bifida.
To make your search more specific to dental care, see this tab to learn how to limit your search to only Dental Care in CINAHL: