1. Retzepi M, Donos N. Guided bone regeneration: biological principle and therapeutic applications. Clin Oral Implants Res. 2010;21(6):567–76.
2. Bornstein MM, et al. A retrospective analysis of patients referred for implant placement to a specialty clinic: indications, surgical procedures, and early failures. Int J Oral Maxillofac Implants. 2008;23(6):1109–16.
3. Aghaloo TL, Moy PK. Which hard tissue augmentation techniques are the most successful in furnishing bony support for implant placement? Int J Oral Maxillofac Implants. 2007;22(Suppl):49–70.
4. Zitzmann NU, Naef R, Scharer P. Resorbable versus nonresorbable membranes in combination with bio-Oss for guided bone regeneration. Int J Oral Maxillofac Implants. 1997;12(6):844–52.
5. Garcia J, et al. Effect of membrane exposure on guided bone regeneration: a systematic review and meta-analysis. Clin Oral Implants Res. 2018;29(3):328–38.