Johnson C G, Sayegh F S, O'Toole T J
J Am Dent Assoc. 1978 Aug;97(2):223-6. doi: 10.14219/jada.archive.1978.0279.
Defects of the enamel include hypoplasia and hypomineralization. The cause can be local, systemic, or hereditary. A 14-year-old boy had type 4 hereditary hypoplastic enamel. The Nuva-Seal, Nuva-Fil acid-etch technique was used to restore the defect.
