Dr. scient. med. Franz Strauss, MSc
Senior Teaching and Research Assistant
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Contact: | E-Mail: franz.strauss@zzm.uzh.ch |
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| Qualifications: | DDS, MSc, Dr. scient. med | |
| Affiliation: | Clinic of Reconstructive Dentistry | |
Clinical Specialisations
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Periodontology
Research Interests
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Clinical and preclinical research methodology
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Guided bone regeneration
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Peri-implant biology and soft tissue grafting
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Patient and Public Involvement (PPI) and Patient-reported outcomes (PROs)
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Evidence-Based medicine: systematic reviews and meta-analysis
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Medical Statistics
Franz Strauss's primary research interest is in oral regeneration and implant dentistry – specifically translating evidence into practice in a patient- and clinician-centred manner. He has designed and conducted basic, pre-clinical, and clinical research resulting in more than 80 publications in international peer-reviewed journals. He serves as a reviewer for several journals in periodontics and implant dentistry – including being the current section editor for Implantology in the Journal of Esthetic and Restorative Dentistry.
Selected publications
Thoma D, Gil A, de Bruyckere T, Jung RE, Fukuba S, Ickroth A, Strauss FJ, Cosyn J. Early implant placement versus ridge preservation and delayed implant placement: Analysis of profilometric, clinician- and patient-reported outcomes from a two-centre RCT. (2024) Clin Oral Implants Res. 2024 Jul 4.
Hämmerle CHF, Jepsen K, Sailer I, Strasding M, Zeltner M, Cordaro L, Mirisola di Torresanto V, Schwarz F, Zuhr O, Akakpo D, Bonnet F, Sanz-Martín I, Thoma DS, Strauss FJ, Sanz M. Efficacy of a collagen matrix for soft tissue augmentation after implant placement compared to connective tissue grafts: A multicenter, noninferiority, randomized controlled trial. Clin Oral Implants Res. 2023 Sep;34(9):999-1013Epub 2023 Jul 5.
Strauss FJ, Marruganti C, Romandini M, Cavalla F, Neira P, Jimenez FJ, Jung RE, Sanz M, Gamonal Aravena J. Epidemiology of mid-buccal gingival recessions according to the 2018 Classification System in South America: Results from two population-based studies. J Clin Periodontol. 2023 Oct;50(10):1336-1347. Epub 2023 Jul 10.
Strauss FJ, Siegenthaler M, Hämmerle CHF, Sailer I, Jung RE, Thoma DS. Restorative angle of zirconia restorations cemented on non-original titanium bases influences the initial marginal bone loss: 5-year results of a prospective cohort study. Clin Oral Implants Res. 2022 Jul;33(7):745-756Epub 2022 May 29.
Siegenthaler M, Strauss FJ, Gamper F, Hämmerle CHF, Jung RE, Thoma DS. (2022) Anterior implant restorations with a convex emergence profile increase the frequency of recession: 12-month results of a randomized controlled clinical trial. J Clin Periodontol. 2022 Nov;49(11):1145-1157. Epub 2022 Aug 10.
Strauss FJ, Stähli A, Kobatake R, Tangl S, Heimel P, Apaza Alccayhuaman KA, Schosserer M, Hackl M, Grillari J, Gruber R. miRNA-21 deficiency impairs alveolar socket healing in mice. J Periodontol. 2020 Dec;91(12):1664-1672.. Epub 2020 Jun 20.
Links
Publications in ZORA (Zurich Open Repository and Archive)
ZORA Publication List
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Publications
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A custom CAD-CAM resilient attachment: A dental technique. Journal of Prosthetic Dentistry, 133(3):662-665.
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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(3):690-701.
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Importance of an Evaluation Phase When Increasing the Occlusal Vertical Dimension : A Systematic Review. Journal of Esthetic and Restorative Dentistry, 37(3):669-689.
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The Apical Tooth Replantation with Surgical Intrusion Technique (ATR-SIT) for the Regenerative Treatment of Hopeless Teeth: A Report of Two Cases. International Journal of Periodontics and Restorative Dentistry, 45(1):59-69.
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Wide Restorative Emergence Angle Increases Marginal Bone Loss and Impairs Integrity of the Junctional Epithelium of the Implant Supracrestal Complex: A Preclinical Study. Journal of Clinical Periodontology, 51(12):1677-1687.
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Tensile Bond Strength, Fit Accuracy and Failure Types of Zirconia and Cast Gold Root Copings for Overdentures. European Journal of Prosthodontics and Restorative Dentistry, 32(4):384-391.
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The adjunctive use of systemic antibiotics in the non-surgical and surgical treatment of peri-implantitis: A systematic review and meta-analysis. International Journal of Oral Implantology, 17(4):359-380.
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Early implant placement versus ridge preservation and delayed implant placement: Analysis of profilometric, clinician- and patient-reported outcomes from a two-centre RCT. Clinical Oral Implants Research, 35(11):1382-1393.
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Enhancing guided bone regeneration with cross-linked collagen-conjugated xenogeneic bone blocks and membrane fixation: A preclinical in vivo study. Clinical Oral Implants Research, 35(10):1226-1239.
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Clinical Outcomes of Single Implant Supported Crowns Utilising the Titanium Base Abutment : A 7.5-Year Prospective Cohort Study. Journal of Dentistry, 149:105306.
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Immediate loading on two adjacent single dental implants with definitive nonsplinted restorations: A proof of concept in the posterior zone. Journal of Esthetic and Restorative Dentistry, 36(9):1249-1257.
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Association of Peri-Implant Mucosa Dimensions With Emergence Profile Angles of the Implant Prosthesis. Clinical and Experimental Dental Research, 10(4):e939.
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Two-Step Periosteal Releasing Incision for Tension-Free Flap Closure After Implant Placement With Simultaneous Guided Bone Regeneration. Journal of Oral Implantology, 50(4):317-321.
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The use of digital technologies in peri-implant soft tissue augmentation - A narrative review on planning, measurements, monitoring and aesthetics. Clinical Oral Implants Research, 35(8):922-938.
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Collagen Matrix for Increasing Peri-implant Mucosal Thickness in Smokers: A Prospective Case Series. International Journal of Periodontics and Restorative Dentistry:Epub ahead of print.
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The distance of insertion points from wound margins in interrupted and vertical mattress sutures influences the tensile load capacity: An in vitro experimental study. Clinical Oral Implants Research, 35(7):739-746.
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Impact of keratinized mucosa on implant-health related parameters: A 10-year prospective re-analysis study. Clinical Implant Dentistry and Related Research, 26(3):554-563.
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Use of optical see-through head-mounted devices in dentistry - a scoping review. International Journal of Computerized Dentistry:Epub ahead of print.
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Immediate loading of definitive restorations in partially edentulous patients requiring an implant-supported prosthesis: A scoping review. Journal of Prosthetic Dentistry:Epub ahead of print.
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Augmentation of keratinized tissue using autogenous soft-tissue grafts and collagen-based soft-tissue substitutes at teeth and dental implants: Histological findings in a pilot pre-clinical study. Journal of Clinical Periodontology, 51(5):665-677.
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Alveolar ridge changes 1-year after early implant placement, with or without alveolar ridge preservation at single-implant sites in the aesthetic region: A secondary analysis of radiographic and profilometric outcomes from a randomized controlled trial. Clinical Implant Dentistry and Related Research, 26(2):356-368.
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The 3D emergence profile on implant-supported restorations: A method for evaluating restorative angles. Journal of Esthetic and Restorative Dentistry, 35(8):1264-1270.
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Timing of soft tissue augmentation around implants: A clinical review and decision tree. International Journal of Oral Implantology, 16(4):289-302.
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Pilot Study: Periosteal Mattress Sutures as an Alternative to Pins and Screws in Guided Bone Regeneration in the Esthetic Zone. International Journal of Periodontics and Restorative Dentistry, 7:s217-s226.
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Dimensional changes after horizontal and vertical guided bone regeneration without membrane fixation using the retentive flap technique: A 1‐year retrospective study. Clinical Implant Dentistry and Related Research, 25(5):871-880.
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Epidemiology of mid-buccal gingival recessions according to the 2018 Classification System in South America: Results from two population-based studies. Journal of Clinical Periodontology, 50(10):1336-1347.
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Randomized controlled pilot study comparing small buccal defects around dental implants treated with a subepithelial connective tissue graft or with guided bone regeneration. Clinical Oral Implants Research, 34(10):1094-1105.
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Group 2 ITI Consensus Report: Technological developments in implant prosthetics. Clinical Oral Implants Research, 34(S26):104-111.
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Efficacy of a collagen matrix for soft tissue augmentation after implant placement compared to connective tissue grafts: A multicenter, noninferiority, randomized controlled trial. Clinical Oral Implants Research, 34(9):999-1013.
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Additively and subtractively manufactured implant-supported fixed dental prostheses: A systematic review. Clinical Oral Implants Research, 34(S26):50-63.
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Minimal invasiveness in soft tissue augmentation at dental implants: A systematic review and meta-analysis of patient-reported outcome measures. Periodontology 2000, 91(1):182-198.
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The L-shape technique in guided bone regeneration with simultaneous implant placement in the esthetic zone: A step-by-step protocol and a 2-14 year retrospective study. Journal of Esthetic and Restorative Dentistry, 35(1):197-205.
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Radiographic density changes may be associated with overloading and implant loss on short implants: A 5-year analysis of a randomized controlled clinical trial. Clinical Implant Dentistry and Related Research, 24(6):766-775.
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Anterior implant restorations with a convex emergence profile increase the frequency of recession: 12-month results of a randomized controlled clinical trial. Journal of Clinical Periodontology, 49(11):1145-1157.
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Pontic site development for fixed dental prostheses with and without soft tissue grafting: 1-year results of a cohort study. Clinical Oral Investigations, 26(10):6305-6316.
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Performance of the 2017 AAP/EFP case definition compared to the CDC/AAP definition in population-based studies. Journal of Periodontology, 93(7):1003-1013.
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Effect of collagen membrane fixation on ridge volume stability and new bone formation following guided bone regeneration. Journal of Clinical Periodontology, 49(7):684-693.
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Restorative angle of zirconia restorations cemented on non-original titanium bases influences the initial marginal bone loss: 5-year results of a prospective cohort study. Clinical Oral Implants Research, 33(7):745-756.
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Vertical ridge augmentation feasibility using unfixed collagen membranes and particulate bone substitutes: A 1- to 7-year retrospective single-cohort observational study. Clinical Implant Dentistry and Related Research, 24(3):372-381.
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On the discrepancy between professionally assessed and patient-reported outcome measures. Journal of Periodontal & Implant Science, 52(2):89-90.
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Membrane fixation enhances guided bone regeneration in standardized calvarial defects: A pre-clinical study. Journal of Clinical Periodontology, 49(2):177-187.
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Two short implants versus one short implant with a cantilever: 5-Year results of a randomized clinical trial. Journal of Clinical Periodontology, 48(11):1480-1490.
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Proteomic and genomic analysis of acid dentin lysate with focus on TGF-β signaling. Scientific Reports, 11(1):12247.
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Osteoconductive properties of upside-down bilayer collagen membranes in rat calvarial defects. International Journal of Implant Dentistry, 7:50.
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Short communication: Cemented implant reconstructions are associated with less marginal bone loss than screw-retained reconstructions at 3 and 5 years of loading. Clinical Oral Implants Research, 32(5):651-656.
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Acid bone lysates reduce bone regeneration in rat calvaria defects. Journal of Biomedical Materials Research. Part A, 109(5):659-665.
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Efficacy of laser monotherapy or non-surgical mechanical instrumentation in the management of untreated periodontitis patients. A systematic review and meta-analysis. Clinical Oral Investigations, 25(2):375-391.