PD Dr. med. dent. Alexis Ioannidis
Head of Fixed Reconstructive Dentistry
Contact: alexis.ioannidis@zzm.uzh.ch
Qualifications: PD Dr. med. dent., Specialist in Reconstructive Dentistry, Swiss Society of Reconstructive Dentistry
Affiliation: Clinic of Reconstructive Dentistry
Clinical Specialisations
- Specialist in Reconstructive Dentistry (Swiss Society of Reconstructive Dentistry)
- Master of Advanced Studies in Oral Implantology (University of Zurich)
- Master of Advanced Studies in Periodontology (University of Zurich)
- Certificate of Postgraduate Education in Oral Implantology (Swiss Society of
Oral Implantology)
Research Interests
- Minimally invasive restorations in the aesthetic and non-aesthetic zone
- Fixed and removable implant and tooth supported reconstructions
- Implant dentistry
Selected publications
Ioannidis A, Mühlemann S, Özcan M, Hüsler J, Hämmerle CHF, Benic GI.
Ultra-thin occlusal veneers bonded to enamel and made of ceramic or hybrid materials exhibit load-bearing capacities not different from conventional restorations.
J Mech Behav Biomed Mater. 2019 Feb;90:433-440. doi: 10.1016/j.jmbbm.2018.09.041. Epub 2018 Sep 27. PMID: 30447557.
Ioannidis A, Heierle L, Hämmerle CHF, Hüsler J, Jung RE, Thoma DS.
Prospective randomized controlled clinical study comparing two types of two-piece dental implants supporting fixed reconstructions-Results at 5 years of loading.
Clin Oral Implants Res. 2019 Nov;30(11):1126-1133. doi: 10.1111/clr.13526. Epub 2019 Sep 10. PMID: 31444820.
Ioannidis A, Gallucci GO, Jung RE, Borzangy S, Hämmerle CH, Benic GI.
Titanium-zirconium narrow-diameter versus titanium regular-diameter implants for anterior and premolar single crowns: 3-year results of a randomized controlled clinical study.
J Clin Periodontol. 2015 Nov;42(11):1060-70. doi: 10.1111/jcpe.12468. Epub 2015 Nov 14. PMID: 26440201.
Ioannidis A, Bomze D, Hämmerle CHF, Hüsler J, Birrer O, Mühlemann S.
Load-bearing capacity of CAD/CAM 3D-printed zirconia, CAD/CAM milled zirconia, and heat-pressed lithium disilicate ultra-thin occlusal veneers on molars.
Dent Mater. 2020 Apr;36(4):e109-e116. doi: 10.1016/j.dental.2020.01.016. Epub 2020 Jan 25. PMID: 31992483.
Zumstein K, Fiscalini L, Al-Haj Husain N, Evci E, Özcan M, Ioannidis A.
Load-bearing capacity of pressable lithium disilicates applied as ultra-thin occlusal veneers on molars.
J Mech Behav Biomed Mater. 2022 Dec;136:105520. doi: 10.1016/j.jmbbm.2022.105520. Epub 2022 Oct 13. PMID: 36341889.
Links
Publications in ZORA (Zurich Open Repository and Archive)
ZORA Publication List
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Publications
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Perception of Orofacial Esthetics Using a Scan-Free Virtual Video Mock-Up: A Comparative Analysis of Self-Evaluation Versus Unknown-People Assessment Journal of Esthetic and Restorative Dentistry, Epub ahead of print. https://doi.org/10.1111/jerd.70059
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Flexural strength of translucent zirconia for single crowns and fixed dental prostheses-A systematic review Journal of Prosthodontic Research, Epub ahead of print. https://doi.org/10.2186/jpr.JPR_D_24_00277
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Four-dimensional (4D) virtual simulation for predicting soft tissue support and vertical dimension of occlusion in full-arch implant therapy - A proof of concept Journal of Dentistry, 163, 106142. https://doi.org/10.1016/j.jdent.2025.106142
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Allogeneic shells plus autologous dentin International Journal Of Esthetic Dentistry, 20, 334–335.
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Three-year clinical performance of different monolithic single CAD/CAM crowns. A randomized controlled clinical trial International Journal Of Esthetic Dentistry, 20, 394–409.
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Patient-Reported Outcomes of Digital Versus Conventional Impressions for Implant-Supported Fixed Dental Prostheses: A Systematic Review and Meta-Analysis Journal of Personalized Medicine, 15, 427. https://doi.org/10.3390/jpm15090427
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Posterior monolithic 3-unit zirconia fixed dental prostheses: one-year interim results of a multicenter randomized clinical trial Journal of Dentistry, 160, 105900. https://doi.org/10.1016/j.jdent.2025.105900
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Comparative analysis of fit, mechanical properties, and surface characteristics in subtractive- and additive-manufactured zirconia crowns BMC Oral Health, 25, 1291. https://doi.org/10.1186/s12903-025-06561-7
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Surface Pretreatment Protocols For Indirect/Semi-Direct Dental Restorations: A Cross-Sectional Survey and Expert Consensus Journal of Adhesive Dentistry, 27, 123–136. https://doi.org/10.3290/j.jad.c_2106
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Bleichen als Vorbehandlung vor prothetischer Versorgung Quintessenz Zahnmedizin, 76, 241–249.
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Bonding International Journal Of Esthetic Dentistry, 20, online. https://www.quintessence-publishing.com/deu/en/article-download/6172910/international-journal-of-esthetic-dentistry-en/2025/02/bonding
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Narrow-diameter implants for treatment with fixed restorations in the posterior region: A systematic review and meta-analysis Journal of Prosthodontics, 34, 670–685. https://doi.org/10.1111/jopr.14057
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Load-Bearing Capacity of Lithium Silicate Derivates Applied as Ultra-Thin Occlusal Veneers on Molars Prosthesis, 7, 43. https://doi.org/10.3390/prosthesis7020043
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Rehabilitation Strategies and Occlusal Vertical Dimension Considerations in the Management of Worn Dentitions: Consensus Statement From SSRD, SEPES, and PROSEC Conference on Minimally Invasive Restorations Journal of Esthetic and Restorative Dentistry, 37, 702–706. https://doi.org/10.1111/jerd.13432
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Minimally invasive glass-ceramic restorations: Clinical and patient-reported outcomes in full-mouth rehabilitations Journal of Dentistry, 154, 105571. https://doi.org/10.1016/j.jdent.2025.105571
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Rehabilitation of the Worn Dentition With Direct and Indirect Minimally Invasive Concepts-A Systematic Review and Meta-Analysis Journal of Esthetic and Restorative Dentistry, 37, 690–701. https://doi.org/10.1111/jerd.13384
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Conventional bridge - perfect smile International Journal Of Esthetic Dentistry, 19, 310–311.
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Load-bearing capacity, internal accuracy and time-efficiency of heat-pressed, milled and 3D-printed lithium disilicate ultra-thin occlusal veneers Dental Materials, 40, 1602–1610. https://doi.org/10.1016/j.dental.2024.07.017
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Clinical use of digital applications for diagnostic and treatment planning in prosthodontics: A scoping review Clinical Oral Implants Research, 35, 782–792. https://doi.org/10.1111/clr.14230
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Deep history of cultural and linguistic evolution among Central African hunter-gatherers Nature Human Behaviour, online. https://doi.org/10.1038/s41562-024-01891-y
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Survival and complication rates of two dental implant systems supporting fixed restorations: 10-year data of a randomized controlled clinical study Clinical Oral Investigations, 27, 7327–7336. https://doi.org/10.1007/s00784-023-05323-5
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Strength of implant-supported lithium disilicate and polymer-infiltrated ceramic network restorations after thermomechanical aging International Journal of Computerized Dentistry, 26, 237–245. https://doi.org/10.3290/j.ijcd.b3781703
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Group 2 ITI Consensus Report: Technological developments in implant prosthetics Clinical Oral Implants Research, 34, 104–111. https://doi.org/10.1111/clr.14148
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Additively and subtractively manufactured implant-supported fixed dental prostheses: A systematic review Clinical Oral Implants Research, 34, 50–63. https://doi.org/10.1111/clr.14085
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Minimalinvasive Versorgung von Erosionen zur Wiederherstellung von Gesundheit, Funktion und Ästhetik mit indirekten Restaurationen Swiss Dental Journal, 133, 503–506. https://doi.org/10.61872/sdj-2023-07-08-05
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Randomized controlled pilot study assessing efficacy, efficiency, and patient-reported outcomes measures of chairside and labside single-tooth restorations Journal of Esthetic and Restorative Dentistry, 35, 74–83. https://doi.org/10.1111/jerd.12909
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Tissue integration and biodegradation of soft tissue substitutes with and without compression: an experimental study in the rat Clinical Oral Investigations, 27, 313–328. https://doi.org/10.1007/s00784-022-04726-0
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The capacity to change the lightness of discolored tooth substrates by means of minimal-invasive restorations: perception by dentists, dental technicians and laypersons International Journal of Prosthodontics, 36, 7–12. https://doi.org/10.11607/ijp.7287
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Load-bearing capacity of pressable lithium disilicates applied as ultra-thin occlusal veneers on molars Journal of the Mechanical Behavior of Biomedical Materials, 136, 105520. https://doi.org/10.1016/j.jmbbm.2022.105520
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An in vitro comparison of the marginal and internal adaptation of ultrathin occlusal veneers made of 3D-printed zirconia, milled zirconia, and heat-pressed lithium disilicate Journal of Prosthetic Dentistry, 128, 709–715. https://doi.org/10.1016/j.prosdent.2020.09.053
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Randomized controlled clinical study comparing two types of two-piece dental implants supporting fixed restorations-Results at 8 years of loading Clinical Oral Implants Research, 33, 333–341. https://doi.org/10.1111/clr.13893
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Effect of tooth brush abrasion on the color, gloss and surface roughness of internally and externally stained monolithic ceramic materials Journal of Prosthodontic Research, 66, 303–311. https://doi.org/10.2186/jpr.JPR_D_20_00276
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Global Parental Leave in Surgical Careers: Differences According to Gender, Geographical Regions and Surgical Career Stages The British Journal of Surgery, 108, 1315–1322. https://doi.org/10.1093/bjs/znab275
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Relationship between internal accuracy and load-bearing capacity of minimally invasive lithium disilicate occlusal veneers International Journal of Prosthodontics, 34, 365–372. https://doi.org/10.11607/ijp.6735
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The effect of different cooling procedures on mechanical properties of denture base materials measured by instrumented indentation testing Journal of Prosthodontic Research, 64, 326–331. https://doi.org/10.1016/j.jpor.2019.09.005
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Load-bearing capacity of CAD/CAM 3D-printed zirconia, CAD/CAM milled zirconia, and heat-pressed lithium disilicate ultra-thin occlusal veneers on molars Dental Materials, 36, e109–e116. https://doi.org/10.1016/j.dental.2020.01.016
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Effect of thermomechanical loading on the cementation interface of implant-supported CAD/CAM crowns luted to titanium abutments International Journal of Prosthodontics, 33, 656–662. https://doi.org/10.11607/ijp.6709
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Refractive Outcomes After Trabecular Micro-Bypass Stents (iStent Inject) with Cataract Extraction in Open-Angle Glaucoma Clinical Ophthalmology, 14, 517–524. https://doi.org/10.2147/OPTH.S239103
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Prospective randomized controlled clinical study comparing two types of two-piece dental implants supporting fixed reconstructions-Results at 5 years of loading Clinical Oral Implants Research, 30, 1126–1133. https://doi.org/10.1111/clr.13526
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The use of digital technologies in dental practices in Switzerland: a cross-sectional survey Swiss Dental Journal, 129, 700–707. https://doi.org/10.61872/sdj-2019-09-544
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Load-bearing capacities of ultra-thin occlusal veneers bonded to dentin Journal of the Mechanical Behavior of Biomedical Materials, 95, 165–171. https://doi.org/10.1016/j.jmbbm.2019.04.006
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3D-Printing of High-Strength and Bioresorbable Ceramics for Dental and Maxillofacial Surgery Applications-the LCM Process Ceramic Applications, 7, 38–43.
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Biomechanical aspects: Summary and consensus statements of group 4. The 5 EAO Consensus Conference 2018 Clinical Oral Implants Research, 29 Suppl, 326–331. https://doi.org/10.1111/clr.13284
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Ultra-thin occlusal veneers bonded to enamel and made of ceramic or hybrid materials exhibit load-bearing capacities not different from conventional restorations Journal of the Mechanical Behavior of Biomedical Materials, 90, 433–440. https://doi.org/10.1016/j.jmbbm.2018.09.041
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Alveolar ridge preservation in the esthetic zone Periodontology 2000, 77, 165–175. https://doi.org/10.1111/prd.12209
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Orthodontic bonding and debonding induces structural changes but does not alter the mechanical properties of enamel Progress in Orthodontics, 19, 12. https://doi.org/10.1186/s40510-018-0211-7
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Clinical Performance of Dental Implants Following Sinus Floor Augmentation: A Systematic Review and Meta-Analysis of Clinical Trials with at Least 3 Years of Follow-up International Journal of Oral & Maxillofacial Implants, 33, e46–e65. https://doi.org/10.11607/jomi.6417