Aesthetic outcomes of different materials for delayed, single-tooth restorations for immediately placed implants. A randomized controlled clinical trial

1. Zamora, G.P.
2. Molina-González, J.M.
3. Martínez-Marco, J.F.
4. Ruiz, A.J.O.
5. Mardas, N.
6. Garcia-Sanchez, R.