Histological and immunohistochemical comparison of the peri-implant mucosa located around of conventional aesthetic straight abutments and the new slim abutments: clinical trial multicenter randomized split-mouth.

1. Camacho-Alonso, F.
2. Pérez-Sayáns, M.
3. Peñarrocha-Oltra, D.
4. Montero-Martín, J.