Guided Implant Placement

1. Abdelhay N, Prasad S, Gibson MP. Failure rates associated with guided versus non-guided dental implant placement: a systematic review and meta-analysis. BDJ Open. 2021 Aug 18;7(1):31.

2. Leonardo Amorfini, Marco Migliorati, Sara Drago, Armando Silvestrini- Biavati; Immediately Loaded Implants in Rehabilitation of the Maxilla: A Two-Year Randomized Clinical Trial of Guided Surgery versus Standard Procedure. Clin Implant Dent Relat Res. 2017 Apr;19(2):280-295.

3. Romandini M, Ruales-Carrera E, Sadilina S, Hämmerle CHF, Sanz M. Minimal invasiveness at dental implant placement: A systematic review with meta-analyses on flapless fully guided surgery. Periodontol 2000. 2022 Jul 30.

4. Gargallo-Albiol J, Barootchi S, Marqués-Guasch J, Wang HL. Fully Guided Versus Half-Guided and Freehand Implant Placement: Systematic Review and Meta-analysis. Int J Oral Maxillofac Implants. 2020Nov/Dec;35(6):1159-1169.

5. Younes F, Eghbali A, De Bruyckere T, Cleymaet R, Cosyn J. A randomized controlled trial on the efficiency of free-handed, pilot-drill guided and fully guided implant surgery in partially edentulous patients. Clin Oral Implants Res. 2019 Feb;30(2):131-138.

6. Fang Zhang, Xue Gao, Zhang-Yan Ye, Dong-Qian Xu, Xi Ding. The clinical accuracy of the implant digital surgical guide: Ameta-analysis. Am J Dent. 2020 Dec;33(6):296-304.

7. Frizzera F, Calazans NNN, Pascoal CH, MartinsME, Mendonça G. Flapless Guided Implant Surgeries Compared with Conventional Surgeries Performed by Non experienced Individuals: Randomized and Controlled Split-Mouth Clinical Trial. Int J Oral Maxillofac Implants. 2021Jul-Aug;36(4):755-761.

8. Dalton Marinho Vieira, Bruno Salles Sotto-Maior, Carlos Alberto Villaça de Souza Barros, Elson Simões Reis, Carlos Eduardo Francischone. Clinical Accuracy Of Flapless Computer-Guided Surgery For Implant Placement In Edentulous Arches. IJOMI

9. Peter Chen, Levon Nikoyan. Guided Implant Surgery: A Technique Whose Time Has Come. Dent Clin North Am. 2021 Jan;65(1):67-80.

10. Eitan Mijiritsky, Hadar Ben Zaken, Maayan Shacham, Ihsan Caglar Cinar, Cem Tore, Katalin Nagy, Scott D Ganz. Variety of Surgical Guides and Protocols for Bone Reduction Prior to Implant Placement: A Narrative Review. Int J Environ Res Public Health. 2021 Feb 27;18(5):2341.

11. Tobias Graf, Christine Keul, Daniel Wismeijer, Jan Frederik Güth. Time and costs related to computer-assisted versus non-computer-assisted implant planning and surgery. A systematic review. Clin Oral Implants Res. 2021 Oct;32 Suppl 21(Suppl21):303-317.

12.  Tali Chackartchi, Georgios E Romanos, Laszlo Parkanyi, Frank Schwarz, Anton Sculean. Reducing errors in guided implant surgery     to optimize treatment outcomes. Periodontol 2000. 2022     Feb;88(1):64-72.

13.  Yao Sun, Qian Ding, Fusong Yuan, Lei Zhang, Yuchun Sun, Qiufei Xie. Accuracy of a chairside, fused deposition modeling three-dimensional-printed, single tooth surgical guide for implant placement: A randomized controlled clinical trial. Clin Oral Implants Res. 2022 Oct;33(10):1000-1009.

14.  Ning Zhu, Jiayu Liu, Ting Ma, Yu Zhang, Ye Lin. Fully digital versus conventional workflow for horizontal ridge augmentation with intraoral     block bone: A randomized controlled clinical trial. Clin Implant Dent Relat Res. 2022 Dec;24(6):809-820.

15. Karthikeyan Subramani. Is computer-guided implant placement with a flapless approach more accurate than with a flapped surgical approach? Evid Based Dent. 2022 Sep;23(3):110-111.

16.  Yuzhang Feng, Zhenya Su, Anchun Mo and Xingmei Yang. Comparison of the accuracy of immediate implant placement using static and dynamic computer-assisted implant system in the esthetic zone of the maxilla: a prospective study. Int J Implant Dent.  2022 Dec; 8: 65.

Regenerative Materials

1. Shu-Tung Li, Ph.D., Debbie Yuen, Drew Martin, Natsuyo Shishido Lee. A Comparative Study of a New Porcine Collagen Membraneto Bio-Gide. Science, Technology, Innovation. Feb. 1-5, 2015.

2. Shu-TungLi, Ph.D., Natsuyo Shishido Lee, Debbie Yuen, Peggy Hansen. A Comparison of Inflammatory Reaction Elicited by a Crosslinked Porcine Collagen Membrane vs. Bio-Gide (Non-crosslinked). Science, Technology, Innovation, December, 2016.

3. Gavin Spence, Nelesh Patel, Roger Brooks, Neil Rushton. Carbonate substituted hydroxyapatite: Resorption by osteoclasts modifies the osteoblastic response. Journal of Biomedical Materials Research Part A

4. Ling Li, Kyle Crosby, Monica Sawicki, Leon L.Shaw and Yong Wang. Effects of Surface Roughness of Hydroxyapatite on Cell Attachment and Proliferation. J Biotechnol Biomater 2012, 2:6.

5. Renzo Guarnieri, Patricia DeVilliers and Maurizio Grande. Histologic evaluation of bone healing of adjacent alveolar sockets grafted with bovine and porcine-derived bone: a comparative case reporting humans. Regenerative Biomaterials, 2017, 1–4

6. Frank M. Klenke, Yuelian Liu, Huipin Yuan, Ernst B. Hunziker, Klaus A. Siebenrock, Willy Hofstetter. Impact of pore size on the vascularization and osseointegration of ceramic bone substitutes in vivo. Journal of Biomedical Materials Research Part A.

7. Gavin Spence, Nelesh Patel, Roger Brooks, William Bonfield, Neil Rushton. Osteoclastogenesis on hydroxyapatite ceramics: The effect of carbonate substitution. Journal of Biomedical Materials Research Part A.

8. Jung Heon Lee, Gyu Sung Yi, Jin Woong Lee, Deug Joong Kim. Physicochemical characterization of porcine bone-derived grafting material and comparison with bovine xenografts for dental applications. J Periodontal Implant Sci. 2017 Dec;47(6):388-401.

9. Leire Bergara-Muguruza, Keijo Mäkelä, Tommi Yrjälä, Jukka Salonen, Kimihiro Yamashita, and Miho Nakamura. Surface Electric Fields Increase Human Osteoclast Resorption through Improved Wettability on Carbonate-Incorporated Apatite. ACS Appl. Mater. Interfaces2021, 13, 58270− 58278.

Guarnieri Renzo, Stefano Ippoliti, Stefanelli Luigi, De Angelis Francesca, Di Carlo Stefano and Pompa Giorgio. Tissue Dimensional Changes Following Alveolar Ridge Preservation with Different Xenografts Associated with a Collagen Membrane. Results at the 4-Month Re-Entry Surgery. Res Rep Oral Maxillofac Surg 2017, Vol 1 Iss 1, 1:003.


1. T Albrektsson. Hard tissue implant interface. Australian Dental Journal 2008; 53:(1 Suppl): S34–S38.

2. Eungsun Byon, Young-Taeg Sul, Ann Wennerberg. Surface Characteristics Of Electrochemically Oxidized Implants And Acid-Etched Implants: Surface Chemistry, Morphology, Pore Configurations, Oxide Thickness, Crystal Structure And Roughness. IJOMI

3. Luigi Canullo, Jose Carlos Rosa, Vicente Souza Pinto, Carlos Eduardo Francischone, Werner Götz. Inward-Inclined Implant Platform For The Amplified Platform-Switching Concept: 18-Month Follow-Up Report Of A Prospective Randomized Matched-Pair Controlled Trial. IJOMI

4. Young-Taeg Sul, Carina B. Johansson, Yunmo Kang,Dong-Gyun Jeon, Tomas Albrektsson. Bone Reactions To Oxidized Titanium Implants With Electrochemical Anion Sulphuric Acid And Phosphoric Acid Incorporation. CIDRR

5. Young-Taeg Sul, Carina B. Johansson, YongsooJeong, Ann Wennerberg, Tomas Albrektsson. Resonance Frequency Analysis And Removal Torque Analysis Of Implants With Turned And Anodized Surface Oxides. COIR

6. Ali Alenezi, Yoshihito Naito, Martin Andersson,Bruno R. Chrcanovic, Ann Wennerberg, Ryo Jimbo. Characteristics Of 2Different Commercially Available Implants With Or Without Nanotopography IJD

7. Anna Arvidsson, Victoria Franke-Stenport, Martin Andersson, Per Kjellin, Young-Taeg Sul, Ann Wennerberg. Formation Of Calcium Phosphates On Titanium Implants With Four Different Bioactive Surface Preparations. An In Vitro Study. JMSMM

8. Victoria Stenport, Per Kjellin, MartinAndersson, Fredrik Currie, Young-Taeg Sul, Ann Wennerberg, Anna Arvidsson. Precipitation Of Calcium Phosphate In The Presence Of Albumin On Titanium Implants With Four Different Possibly Bioactive Surface Preparations. An In Vitro Study JMSMM

9. Anna Arvidsson, Fredrik Currie, Per Kjellin,Young-Taeg Sul, Victoria Stenport. Nucleation And Growth Of Calcium Phosphates In The Presence Of Fibrinogen On Titanium Implants With Four Potentially Bioactive Surface Preparations - An In Vitro Study. JMSMM

10. Young-Taeg Sul, Carina B. Johansson, KerstinRöser. Tomas Albrektsson. Qualitative And Quantitative Observations Of Bone Tissue Reactions To Anodized Implants. A Histologic, Enzyme Histochemical And Histomorphometric Analysis. Biomaterials

11. Young-Taeg Sul, Byung- Soo Kang, Carina B Johansson, HS Um, C Park, Tomas Albrektsson. The Role Of Surface Chemistry And Surface Topography Of Osseo integrated Titanium Implant: Strength And Rate Of Osseointegration. JBMR  

12. Young-Taeg Sul, Carina B. Johansson, Sarunas Petronis, Anatol Krozer, Yongsoo Jeong, Ann Wennerberg, Tomas Albrektsson. Characteristics Of The Surface Oxides On Turned And Electrochemically Oxidized Pure Titanium Implants Up To Dielectric Breakdown: The Oxide Thickness, Micropore Configurations, Surface Roughness, Crystal Structure And Chemical Composition.

13. José Carlos M. da Rosa, Ariádene Cristina Pértile de Oliveira Rosa, Carlos Eduardo Francischone, Bruno Salles Sotto-Maior. Diameter Selection Of Implants Placed In Extraction Sockets: A New Approach. Dental Press

14. José Carlos M. da Rosa, Ariádene Cristina Pértile de Oliveira Rosa, Carlos Eduardo Francischone, Mauricio de Almeida Cardoso, Ana Carolina Alonso, Leopoldino Capelozza Filho. Post-Traumatic Treatment Of Maxillary Incisors By Immediate Dentoalveolar Restoration With Long-Term Follow-Up. Dental Press.

15. Young-Taeg Sul, Carina B. Johansson, Yongsoo Jeong, Tomas Albrektsson. The Electrochemical Oxide Growth Behaviour On Titanium In Acid And Alkaline Electrolytes. Medical Engineering andPhysics.

16. Fröjd V, Chávez de Paz L, Andersson M,Wennerberg A, Davies J, Svensäter G. In Situ Analysis Of Biofilm Formation On Titanium Surfaces. Molecular Oral Microbiology.

17. Luis Eduardo Benevides de Moraes, Nathalia Benevides de Moraes, Eduardo José deMoraes. Extra-Short Implants For Rehabilitation Of Atrophic Ridges: A Retrospective Study With Up To 5 Years Of Follow-Up. JIACD

18. Ann Wennerberg, Tomas Albrektsson. On Implant Surfaces: A Review Of Current Knowledge And Opinions. IJOMI

19. R. Chowdhary, supervised by Ann Wennerberg. On Efficacy Of Implant Thread Design For Bone Stimulation Malmo University

20. Young-Taeg Sul – Department of Biomaterials, The Sahlgrenska Academy, University of Gothenburg, Sweden. Surface Properties And Characterization Methods Of Titanium Dental Implants: Topography, Chemistry, And Oxide Thickness. Implant Dentistry Research Guide.

21. Ali H. Amer, Saeeda M. Osman, Lydia N. Foad. Comparison Of Bone Healing Around Nano Topography Dental Implant Versus Conventional Implant. ADJ

22. On The Bone Tissue Response To Surface Chemistry Modifications Of Titanium Implants Byung-Soo Kang .

23. Byung-Soo Kang, Young-Taeg Sul, Se-Jung Oh,Hyun-Ju Lee, Tomas Albrektsson. XPS, AES And SEM Analysis Of Recent DentalImplants. Acta Biomaterialia.

24. L.Praça, R. Teixeira, R. Rego. Influence Of Abutment Disconnection On Peri-Implant Marginal Bone Loss: A Randomized Clinical Trial. COIR.

25. Dena Hashim, Norbert Cionca. What is the impact of titanium particles and biocorrosion on implant survival and complications? A critical review, Clin Oral Implants Res. 2018 Oct; 29 Suppl 18:37-53.

26. Gabriella Peñarrieta‐Juanito, Mariane B. Sordi, Bruno Henriques, Marta E. R.Dotto, Wim Teughels, Filipe S. Silva, Ricardo S. Magini, Júlio C. M. Souza. Surface damage of dental implant systems and ions release after exposure to fluoride and hydrogen peroxide, J Periodontal Res. 2019Feb; 54(1):46-52.

27. Rafaela Coray, Marco Zeltner, Mutlu Özcan. Fracture strength of implant abutments after fatigue testing: A systematic review and a meta-analysis, J Mech Behav Biomed Mater. 2016 Sep; 62:333-346.

28. Pye AD, Lockhart DE, Dawson MP, Murray CA, Smith AJ. A review of dental implants and infection, J Hosp Infect. 2009 Jun; 72(2):104-110.

29. Mohajerani H, Roozbayani R, Taherian S, Tabrizi R. The Risk Factors in Early Failure of Dental Implants: A Retrospective Study, J Dent (Shiraz). 2017Dec; 18(4):298-303.

30. Chrcanovic BR, Kisch J, Albrektsson T, Wennerberg A. Intake of Proton Pump Inhibitors Is Associated with an Increased Risk of Dental Implant Failure, Int J Oral Maxillofac Implants. 2017 September/October; 32(5):1097–1102.

31. CelesteM Abraham.“A Brief Historical Perspective on Dental Implants, Their Surface Coatings and Treatments”, Open Dent J. 2014; 8: 50–55.

32. Ann Wennerberg, Tomas Albrektsson, Bruno Chrcanovic. Long-term clinical outcome of implants with different surface modifications, Eur J Oral Implantol.2018; 11 Suppl 1:S123-S136.

33. FrenchD, Noroozi M, Shariati B, Larjava H. Clinical retrospective study of self-reported penicillin allergy on dental implant failures and infections, Quintessence Int. 2016; 47(10):861-870.

34. Gómez-de Diego R1,Mang-de la Rosa M del R, Romero-Pérez MJ, Cutando-Soriano. A,López-Valverde-Centeno. A. Indications and contraindications of dental implants in medically compromised patients: update, Med Oral Patol Oral Cir Bucal. 2014 Sep 1; 19(5):e483-9.

35. De Angelis F, Papi P, Mencio F, Rosella D, Di Carlo S, Pompa G. Implant survival and success rates in patients with risk factors: results from a long-term retrospective study with a 10 to 18 years follow-up, Eur Rev Med Pharmacol Sci. 2017Feb;21(3):433-437.

36. Papaspyridakos P, De Souza A, Vazouras K, Gholami H, Pagni S, Weber HP. Survival rates of short dental implants (≤6 mm) compared with implants longer than 6 mm in posterior jaw areas: A meta‐analysis, Clin Oral Implants Res. 2018 Oct; 29Suppl 16:8-20.

37. Mahesh L, Kurtzman GM, Schwartz D, Shukla S. Residual Roots as an Anatomical Guide for Implant Placement: Case Series With Two-year follow-up, J Oral Implantol. 2016 Jun;42(3):285-8.

38. Iliescu AA, Zurac SA, Nicolae V, Iliescu MG, Perlea P. Associated lesions of peri-implant mucosa in immediate versus delayed loading of dental implants, Rom J Morphol Embryol. 2017;58(2):487-492.

39. Borelli, Paolo, and Massimiliano Favetti. Deploying Alpha-Bio Tec’s Ne O for Combined Immediate Post-extraction Implant and Flapless Implantation.

40. Szpak, Piotr, and Jolanta Szymanska. The survival of dental implants with different implant- abutment connection systems, Current Issues in Pharmacy and Medical Sciences; 29.1 (2016): 11-13.

41. Pozzi, Alessandro,Marco Tallarico, and Peter K. Moy. Three-year post-loading results of a randomised, controlled, split-mouth trial comparing implants with different prosthetic interfaces and design in partially posterior edentulous mandibles, Eur J Oral Implantol 7.1 (2014): 47-61.

42. Balaji VR, Lambodharan R, Manikandan D, Deenadayalan S. Pterygoid Implant for Atrophic Posterior Maxilla, J Pharm Bioallied Sci. 2017 Nov; 9(Suppl 1): S261–S263.

43. Artzi Z,Kohen J, Carmeli G, Karmon B, Lor A, Ormianer Z. The Efficacy of Full-Arch Immediately Restored Implant-Supported Reconstructions in Extraction and Healed Sites: A 36-Month Retrospective Evaluation. Int. J. Oral Maxillofac. Implants 2010, 25, 329–335.

44. Strietzel FP,Karmon B, Lorean A, Fischer PP. Implant-Prosthetic Rehabilitation of the Edentulous Maxilla and Mandible with Immediately Loaded Implants: Preliminary Data from a Retrospective Study, Considering Time of Implantation, Int. J.Oral Maxillofac. Implants 2011, 26, 139–147.

45. Kohen J, Matalon S, Block J, Ormianer Z. Effect of Implant Insertion and Loading Protocol on Long-Term Stability and Crestal Bone Loss: A Comparative Study. J. Prosthet. Dent. 2016, 115, 697–702.

46. Ormianer, Z, Matalon S, Block J, Kohen J. Dental Implant Thread Design and the Consequences on Long-Term Marginal Bone Loss. Implant Dent. 2016, 25,471–477.

47. Lu B, Zhang X, Liu B. A Systematic Review and Meta-Analysis on Influencing Factors of Failure of Oral Implant Restoration Treatment. Ann. Palliat. Med. 2021, 10,12664–12677.

48. Darbar U, Shahdad S, Ashley M. Guidance on the Standards of Care for NHS-Funded Dental Implant Treatment. Lond. R. Coll. Surg. Engl. 2019.

Zero Bone Loss

1.  Yoichiro Ogino, Yasuyuki Matsushita, Masanori Sasaki, Yasunori Ayukawa, Kiyoshi Koyano, A 3-Year     Prospective Study on Radiographic Marginal Bone Evaluation Around Platform-Shifting Implants with Internal Conical Connections. Int J Oral Maxillofac Implants 2021; 36:574–580.

2.  Sara Reda Sammour, Mohamed Maamoun El-Sheikh, Attiah Aly El-Gendy, Effect of implant     abutment connection designs, and implant diameters on screw loosening before and after cyclic loading: In-vitro study. Dent Mater. 2019 Nov; 35(11):e265-e271.

3.  Alper Saglanmak, Alper Gultekin, Caglar Cinar, Serge Szmukler-Moncler, Cuneyt Karabuda, Effect of soft tissue thickness on crestal bone loss of early loaded implants with platform switching: 1-and 5-year data. Quintessence Int. 2021; 0(0):426-433.

4.  Sergio Alexandre Gehrke, Berenice Anina Dedavid, and Juan Carlos Prados-Frutos, Effects of different switched or not-switched implant and abutment platform designs and marginal bone loss on fracture strength: An in vitro study. J Prosthet Dent. 2022 Jul; 128(1):55-62.

5.  Diego Lops, Michele Stocchero, Jason Motta Jones, Alessandro Freni, Antonino Palazzolo, Eugenio Romeo, Five Degree Internal Conical Connection and Marginal Bone Stability around Subcrestal Implants: A Retrospective Analysis. Materials (Basel). 2020 Jul 13; 13(14):3123.

6.  Mario Pérez-Sayans, Pablo Castelo-Baz, David Penarrocha-Oltra, Flavio Seijas-Naya, Mercedes Conde-Amboage, José M Somoza-Martín, Impact of abutment geometry on early implant marginal bone loss. A double-blind, randomized, 6-month clinical trial. Clin Oral Implants Res. 2022 Oct; 33(10):1038-1048.

7.  Nicola Alberto Valente, Min Wu, Paolo Toti, Giacomo Derchi, Antonio Barone, Impact of Concave/Convergent vs Parallel/ Divergent Implant Transmucosal Profiles on Hard and Soft Peri-implant Tissues: A Systematic Review with Meta-Analyses. Int J Prosthodont. 2020 Sep/Oct; 33(5):553-564

8.  Isabelle Laleman, France Lambert, Implant connection and abutment selection as a predisposing and/or precipitating factor for peri-implant diseases: A review. Clin Implant Dent Relat Res. 2023 Feb 24.

9. Claudio Stacchi, Luca Lamazza, Antonio Rapani, Giuseppe Troiano, Marcello Messina, Alessandro Antonelli, Amerigo Giudice, Teresa Lombardi, Marginal bone changes around platform-switched conical connection implants placed 1 or 2 mm subcrestally: A multicenter crossover randomized controlled trial. Clin Implant Dent Relat Res.2023 Feb 1.

10.  Pablo Galindo-Moreno, Ada Concha-Jeronimo, Lucia Lopez-Chaichio, Roque Rodriguez-Alvarez, Elena Sanchez-Fernandez, Miguel Padial-Molina, Marginal Bone Loss around Implants with Internal Hexagonal and Internal Conical Connections: A 12-Month Randomized Pilot Study. J Clin Med. 2021 Nov 20; 10(22):5427.

11. Natalia Palacios-Garzón, Elisabeth Mauri-Obradors, Raúl Ayuso- Montero, Eugenio Velasco-Ortega, José María Anglada- Cantarell, and José López-López, Marginal Bone Loss in Internal Conical Connection Implants Placed at the Crestal and Subcrestal Levels before Prosthetic Loading: A Randomized Clinical Study. Materials(Basel). 2022 May; 15(10): 3729.

12.  Arda Ozdiler, Suleyman Cagatay Dayan, Burc Gencel, Gulbahar Isık Ozkol, Reverse Torque Values of Abutment Screws After Dynamic Loading: Effects of Sealant Agents and the Taper of Conical Connections. J Oral Implantol. 2021 Aug 1; 47(4):287-293.

13.  Ana Sofia Vinhas, Carlos Aroso, Filomena Salazar, Paula López-Jarana, José Vicente Ríos-Santos,     Mariano Herrero-Climent, Review of the Mechanical Behavior of Different Implant-Abutment Connections. Int J Environ Res Public Health. 2020 Nov 23; 17(22):8685.

14.  Caroliene M Meijndert, Gerry M Raghoebar, Arjan Vissink, Konstantina Delli, Henny J A Meijer, The     effect of implant-abutment connections on peri-implant bone levels around single implants in the aesthetic zone: A systematic review and a meta-analysis. Clin Exp Dent Res. 2021 Dec; 7(6):1025-1036.

15.  Riccardo Caricasulo, Luciano Malchiodi, Paolo Ghensi, Giuliano Fantozzi, Alessandro Cucchi, The     influence of implant-abutment connection to peri-implant bone loss: A systematic review and meta-analysis. Clin Implant Dent Relat Res. 2018 Aug; 20(4):653-664.

16.  Tomas Linkevicius, Rokas Linkevicius, Evelina Gineviciute, Jonas Alkimavicius, Asta Mazeikiene, Laura Linkeviciene, The influence of new immediate tissue level abutment on crestal bone stability of subcrestally placed implants: A 1-year randomized controlled clinical trial. Clin Implant Dent Relat Res. 2021 Apr; 23(2):259-269.

17.  Aimen Bagegni, Benedikt C Spies, Matthias Kern, Derek Hazard, Ralf Kohal, The influence of prosthetic crown height and implant-abutment connection design selection on the long-term implant-abutment stability: A laboratory study. J Mech Behav Biomed Mater. 2021 Jan; 113:104095.

18.  Luigi Canullo, Paolo Pesce, Romeo Patini, Donato Antonacci, Grazia Tommasato, What Are the Effects of Different Abutment Morphologies on Peri-implant Hard and Soft Tissue Behavior? A Systematic Review and Meta-Analysis. Int J Prosthodont. 2020 May/Jun;33(3):297-306.