• Evaluation of implant osseointegration with different regeneration techniques in the treatment of bone defects around implants: an experimental study in a rabbit model. Clinical Oral Implants Research (COIR) Isabel Guerra, Fernando Branco, Mário Vasconcelos, Américo Afonso, Helena Figueiral , Raquel Zita Gomes Clin. Oral Impl. Res. 22, 2011; 314-322
• Relationship between implant primary stability (torque and ISQ) and bone densitiy assessed by CBCT- clinical trial. Raquel Zita Gomes, Laura Lopes Silva, João Coimbra, Mário Vasconcelos, André Correia, Ana Cristina Braga in the Proccedings book Biodental Engineering III – Natal Jorge et al (Eds) 2014 Taylor and Francis Group London.
• Alveolar Ridge Reconstruction with Titanium Meshes and Simultaneous Implant Placement: A Retrospective, Multicenter Clinical Study Raquel Zita Gomes, Andres Paraud Freixas, Chang-Hun Han, Sohueil Bechara, and Isaac Tawil BioMed Research International, Volume 2016, Article ID 5126838, 12 pages Hindawi Publishing Corporation. http://dx.doi.org/10.1155/2016/5126838
• Implant Stability in the Posterior Maxilla: A Controlled Clinical Trial ,BioMed Research International Volume 2017, Article ID 6825213, 11 pages https://doi.org/10.1155/2017/6825213 Hindawi Raquel Zita Gomes, Mario Ramalho de Vasconcelos, Isabel Maria Lopes Guerra,Rute Alexandra Borges de Almeida, Antonio Cabral de Campos Felino