Perceived surgical difficulty of mandibular third molar extraction. A comparative cross-sectional study of dentists with postgraduate qualification in oral surgery and maxillofacial surgeons in a Spanish subpopulation

1. Sánchez-Jorge, M.-I.
2. Cortés-Bretón-Brinkmann, J.
3. Acevedo-Ocaña, R.
4. Quispe-López, N.
5. Falahat, F.
6. Martín-Granizo, R.