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Bashary, N; Brewster, J; Gill, P; Janal, M N; Özcan, M; Al-Haj Husain, N; Zhang, Y (2024). Long-Term Bonding Efficacy of CAD/CAM Hybrid Restorative Materials and Universal Adhesives. European journal of prosthodontics and restorative dentistry EJPRD, 32(3), pp. 270-276. Hancocks 10.1922/EJPRD_2455Bashary07
Rutkūnas, Vygandas; Jegelevičius, Darius; Gedrimienė, Agnė; Auškalnis, Liudas; Eyüboğlu, Tan Fırat; Özcan, Mutlu; Al-Haj Husain, Nadin; Akulauskas, Mykolas; Pletkus, Justinas (2024). The Effect of Different Intraoral Scanners on The Accuracy of Bite Registration in Edentulous Maxillary and Mandibular Arches. Journal of dentistry, 146, p. 105050. Elsevier Science 10.1016/j.jdent.2024.105050
Scherer, Michael D; Al-Haj Husain, Nadin; Barmak, Abdul B; Kois, John C; Özcan, Mutlu; Revilla-León, Marta (2024). Influence of postprocessing rinsing solutions and duration on flexural strength of aged and nonaged additively manufactured interim dental material. The journal of prosthetic dentistry, 131(5), pp. 959-968. Elsevier 10.1016/j.prosdent.2022.03.034
Al-Haj Husain, Adib; Zollinger, Marina; Stadlinger, Bernd; Özcan, Mutlu; Winklhofer, Sebastian; Al-Haj Husain, Nadin; Schönegg, Daphne; Piccirelli, Marco; Valdec, Silvio (2024). Magnetic resonance imaging in dental implant surgery: a systematic review. International journal of implant dentistry, 10(14) Springer 10.1186/s40729-024-00532-3
Molinero-Mourelle, Pedro; Abou-Ayash, Samir; Brägger, Urs; Schimmel, Martin; Özcan, Mutlu; Yilmaz, Burak; Buser, Ramona; Al-Haj Husain, Nadin (2024). Load bearing capacity of 3-unit screw-retained implant-supported fixed dental prostheses with a mesial and distal cantilever on a single implant: A comparative in vitro study. Journal of the mechanical behavior of biomedical materials, 151, p. 106395. Elsevier 10.1016/j.jmbbm.2024.106395
Kaya, Asli; Hamza, Blend; Al-Haj Husain, Nadin; Mätzener, Kiren J; Özcan, Mutlu (2024). Adhesion of tooth fragment after trauma: effect of adhesion strategy and storage in the rescue box. Journal of clinical pediatric dentistry, 48(2), pp. 19-25. Journal of Pedodontics Inc. 10.22514/jocpd.2024.030
Al-Haj Husain, Adib; Oechslin, Dominik A; Stadlinger, Bernd; Winklhofer, Sebastian; Özcan, Mutlu; Schönegg, Daphne; Al-Haj Husain, Nadin; Sommer, Stefan; Piccirelli, Marco; Valdec, Silvio (2024). Preoperative imaging in third molar surgery - A prospective comparison of X-ray-based and radiation-free magnetic resonance orthopantomography. Journal of cranio-maxillo-facial surgery, 52(1), pp. 117-126. Elsevier 10.1016/j.jcms.2023.10.005
Al Fodeh, Rami S; Al-Johi, Omer S; Alibrahim, Anas N; Al-Dwairi, Ziad N; Al-Haj Husain, Nadin; Özcan, Mutlu (2023). Fracture strength of endocrown maxillary restorations using different preparation designs and materials. Journal of the mechanical behavior of biomedical materials, 148(106184), p. 106184. Elsevier 10.1016/j.jmbbm.2023.106184
Benli, Merve; Al-Haj Husain, Nadin; Ozcan, Mutlu (2023). Mechanical and chemical characterization of contemporary occlusal splint materials fabricated with different methods: a systematic review. Clinical oral investigations, 27(12), pp. 7115-7141. Springer 10.1007/s00784-023-05360-0
Tuncer, Berkcan; Aktas, Guliz; Baris Guncu, Mustafa; Deniz, Diler; Muhtarogullari, Mehmet; Al-Haj Husain, Nadin; Özcan, Mutlu (2023). Effects of Surface Treatments and Cement Type on Shear Bond Strength between Titanium Alloy and All-Ceramic Materials. Materials, 16(18) MDPI 10.3390/ma16186240
Assaf, André; Azer, Shereen S; Sfeir, Abdo; Al-Haj Husain, Nadin; Özcan, Mutlu (2023). Risk Factors with Porcelain Laminate Veneers Experienced during Cementation: A Review. Materials, 16(14) MDPI 10.3390/ma16144932
Ugurlu, M; Al-Haj Husain, N; Özcan, M (2023). Immediate and Late Repair of Microhybrid Resin Composites: Effect of Silane Coupling Agent, Universal Adhesives and Photo Polymerization. European journal of prosthodontics and restorative dentistry, 31(2), pp. 116-125. Dennis Barber 10.1922/EJPRD_2427Ugurlu10
Al-Haj Husain, Adib; Schmidt, Valérie; Valdec, Silvio; Stadlinger, Bernd; Winklhofer, Sebastian; Schönegg, Daphne; Sommer, Stefan; Özcan, Mutlu; Al-Haj Husain, Nadin; Piccirelli, Marco (2023). Author Correction: MR-orthopantomography in operative dentistry and oral and maxillofacial surgery: a proof of concept study. Scientific reports, 13(1), p. 7457. Springer Nature 10.1038/s41598-023-34473-5
Al-Haj Husain, Adib; Schmidt, Valérie; Valdec, Silvio; Stadlinger, Bernd; Winklhofer, Sebastian; Schönegg, Daphne; Sommer, Stefan; Özcan, Mutlu; Al-Haj Husain, Nadin; Piccirelli, Marco (2023). MR-orthopantomography in operative dentistry and oral and maxillofacial surgery: a proof of concept study. Scientific reports, 13(1), p. 6228. Springer Nature 10.1038/s41598-023-33483-7
Scherer, Michael; Al-Haj Husain, Nadin; Barmak, Abdul B; Kois, John C; Özcan, Mutlu; Revilla-León, Marta (2023). Influence of the layer thickness on the flexural strength of aged and non-aged additively manufactured interim dental material. Journal of prosthodontics, 32(S1), pp. 68-73. Wiley 10.1111/jopr.13582
Al-Dwairi, Ziad N; Al-Sardi, Moataz; Goodacre, Brian J; Goodacre, Charles J; Al Hamad, Khaled Q; Özcan, Mutlu; Al-Haj Husain, Nadin; Baba, Nadim Z (2023). Evaluation of Marginal and Internal Fit of Ceramic Laminate Veneers Fabricated with Five Intraoral Scanners and Indirect Digitization. Materials, 16(6) MDPI 10.3390/ma16062181
Ballal, N V; Jalan, P; Rai, N; Al-Haj Husain, N; Özcan, M (2023). Evaluation of New Alkasite Based Restorative Material for Restoring Non- Carious Cervical Lesions- Randomized Controlled Clinical Trial. European journal of prosthodontics and restorative dentistry EJPRD, 31(1), pp. 72-77. Barber 10.1922/EJPRD_2410Ballal06
Al-Haj Husain, Adib; Stadlinger, Bernd; Özcan, Mutlu; Schönegg, Daphne; Winklhofer, Sebastian; Al-Haj Husain, Nadin; Piccirelli, Marco; Valdec, Silvio (2023). Buccal bone thickness assessment for immediate anterior dental implant planning: A pilot study comparing cone-beam computed tomography and 3D double-echo steady-state MRI. Clinical implant dentistry and related research, 25(1), pp. 35-45. Blackwell 10.1111/cid.13160
Al-Dwairi, Ziad N; Al-Aghbari, Latifah; Al-Haj Husain, Nadin; Özcan, Mutlu (2023). Durability of cantilever inlay-retained fixed dental prosthesis fabricated from multilayered zirconia ceramics with different designs. Journal of the mechanical behavior of biomedical materials, 137, p. 105547. Elsevier 10.1016/j.jmbbm.2022.105547
Al-Haj Husain, Nadin; Al-Haj Husain, Adib; Grgic, Ivo; Kipar, Anja; Molinero-Mourelle, Pedro; Stadlinger, Bernd; Özcan, Mutlu (2023). Effect of Cumulative Ionizing Radiation on Flexural Strength, Flexural Modulus, and Elasticity Modulus of Dentin in Unerupted Human Third Molars. Advances in radiation oncology, 8(2), p. 101127. Elsevier 10.1016/j.adro.2022.101127
Revilla-León, Marta; Al-Haj Husain, Nadin; Barmak, Abdul B; Pérez-López, Javier; Raigrodski, Ariel J; Özcan, Mutlu (2022). Chemical Composition and Flexural Strength Discrepancies Between Milled and Lithography-Based Additively Manufactured Zirconia. Journal of prosthodontics, 31(9), pp. 778-783. Wiley 10.1111/jopr.13482
Zumstein, Katrin; Fiscalini, Lorenzo; Al-Haj Husain, Nadin; Evci, Erkan; Özcan, Mutlu; Ioannidis, Alexis (2022). 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), p. 105520. Elsevier 10.1016/j.jmbbm.2022.105520
Biadsee, Ameer; Özcan, Mutlu; Masarwa, Lubaba; Haddad, Mishel; Al-Haj Husain, Nadin; Ormianer, Zeev (2022). Effect of Titanium-Base Abutment Height on Optical Properties of Monolithic Anterior Zirconia Crowns. Materials, 15(21) MDPI 10.3390/ma15217643
Ogawa, Yuko; Sayed, Mahmoud; Hiraishi, Noriko; Al-Haj Husain, Nadin; Tagami, Junji; Özcan, Mutlu; Shimada, Yasushi (2022). Effect of Surface Pre-Reacted Glass Ionomer Containing Dental Sealant on the Inhibition of Enamel Demineralization. Journal of Functional Biomaterials, 13(4) MDPI 10.3390/jfb13040189
Schimmel, Martin; Rachais, Elias; Al-Haj Husain, Nadin; Müller, Frauke; Srinivasan, Murali; Abou-Ayash, Samir (2022). Assessing masticatory performance with a color mixing-ability test using smartphone camera images. Journal of oral rehabilitation, 49(10), pp. 961-969. Wiley 10.1111/joor.13352
Al-Haj Husain, Nadin; Feilzer, Albert J; Kleverlaan, Cornelis J; Abou-Ayash, Samir; Özcan, Mutlu (2022). Effect of hydrothermal aging on the microhardness of high- and low-viscosity conventional and additively manufactured polymers. The journal of prosthetic dentistry, 128(4), 822.e1-822.e9. Elsevier 10.1016/j.prosdent.2022.08.022
Arakawa, Itsuka; Al-Haj Husain, Nadin; Srinivasan, Murali; Maniewicz, Sabrina; Abou-Ayash, Samir; Schimmel, Martin (2022). Clinical outcomes and costs of conventional and digital complete dentures in a university clinic: A retrospective study. The journal of prosthetic dentistry, 128(3), pp. 390-395. Elsevier 10.1016/j.prosdent.2020.12.014
Jonovic, Katarina; Özcan, Mutlu; Al-Haj Husain, Nadin; Mätzener, Kiren Jan; Ciernik, Ilja Frank (2022). Evaluation of radiodensity and dimensional stability of polymeric materials used for oral stents during external beam radiotherapy of head and neck carcinomas. Clinical and translational radiation oncology, 36, pp. 31-39. Elsevier 10.1016/j.ctro.2022.06.006
Giugovaz, Adriana; Pérez-Giugovaz, Marcelo Gabriel; Al-Haj Husain, Nadin; Barmak, Abdul B; Özcan, Mutlu; Revilla-León, Marta (2022). Flexural strength of aged and nonaged interim materials fabricated by using milling, additive manufacturing, and a combination of subtractive and additive methods. The journal of prosthetic dentistry, 128(3), 513.e1-513.e11. Elsevier 10.1016/j.prosdent.2022.05.004
Al-Haj Husain, Nadin; Özcan, Mutlu; Dydyk, Nataliya; Joda, Tim (2022). Conventional, Speed Sintering and High-Speed Sintering of Zirconia: A Systematic Review of the Current Status of Applications in Dentistry with a Focus on Precision, Mechanical and Optical Parameters. Journal of clinical medicine, 11(16) MDPI 10.3390/jcm11164892
Kanzler Abdel Raouf, Valérie; Jockusch, Julia; Al-Haj Husain, Nadin; Dydyk, Nataliya; Özcan, Mutlu (2022). Push-Out Bond Strength Assessment of Different Post Systems at Different Radicular Levels of Endodontically Treated Teeth. Materials, 15(15) MDPI 10.3390/ma15155134
Ugurlu, Muhittin; Al-Haj Husain, Nadin; Özcan, Mutlu (2022). Color Change after 25% Hydrogen Peroxide Bleaching with Photoactivation: A Methodological Assessment Using Spectrophotometer versus Digital Photographs. Materials, 15(14) MDPI 10.3390/ma15145045
Ugurlu, Muhittin; Al-Haj Husain, Nadin; Özcan, Mutlu (2022). Repair of Bulk-Fill and Nanohybrid Resin Composites: Effect of Surface Conditioning, Adhesive Promoters, and Long-Term Aging. Materials, 15(13) MDPI 10.3390/ma15134688
Al-Haj Husain, Nadin; Dürr, Tobias; Özcan, Mutlu; Brägger, Urs; Joda, Tim (2022). Mechanical stability of dental CAD-CAM restoration materials made of monolithic zirconia, lithium disilicate, and lithium disilicate-strengthened aluminosilicate glass ceramic with and without fatigue conditions. The journal of prosthetic dentistry, 128(1), pp. 73-78. Elsevier 10.1016/j.prosdent.2020.12.002
Kümbüloğlu, Övül; Koyuncu, Beril; Yerlioğlu, Gözde; Al-Haj Husain, Nadin; Özcan, Mutlu (2022). Stress Distribution on Various Implant-Retained Bar Overdentures. Materials, 15(9) MDPI 10.3390/ma15093248
El-Askary, Farid; Hassanein, Abdullah; Aboalazm, Emad; Al-Haj Husain, Nadin; Özcan, Mutlu (2022). A Comparison of Microtensile Bond Strength, Film Thickness, and Microhardness of Photo-Polymerized Luting Composites. Materials, 15(9) MDPI 10.3390/ma15093050
Zarean, Parichehr; Özcan, Mutlu; Zarean, Paridokht; Haghani, Seyed Omid; Jahromi, Maryam Zare; Al-Haj Husain, Nadin; Khabiri, Masoud (2022). Micro-Computed Tomographic Assessment of Microcrack Formation before and after Instrumentation of Curved Root Canals with Neoniti Rotary Files. Materials, 15(9) MDPI 10.3390/ma15093002
Kheur, Mohit; Lakha, Tabrez; Shaikh, Saleha; Kheur, Supriya; Qamri, Batul; Zhen, Lee Wan; Al-Haj Husain, Nadin; Özcan, Mutlu (2022). A Comparative Study on Simulated Chairside Grinding and Polishing of Monolithic Zirconia. Materials, 15(6) MDPI 10.3390/ma15062202
Müller, Nicolas; Al-Haj Husain, Nadin; Chen, Liang; Özcan, Mutlu (2022). Adhesion of Different Resin Cements to Zirconia: Effect of Incremental versus Bulk Build Up, Use of Mould and Ageing. Materials, 15(6) MDPI 10.3390/ma15062186
Schimmel, Martin; Walther, Moritz; Al-Haj Husain, Nadin; Igarashi, Kensuke; Wittneben, Julia; Abou-Ayash, Samir (2021). Retention forces between primary and secondary CAD/CAM manufactured telescopic crowns: an in vitro comparison of common material combinations. Clinical oral investigations, 25(11), pp. 6297-6307. Springer 10.1007/s00784-021-03928-2
Ebeid, Kamal; Sabet, Ahmed; Rafla, Nancy; Al-Haj Husain, Nadin; Özcan, Mutlu (2021). Effect of photo-polymerization mode on the degree of conversion of resin cement under different ceramic materials. Minerva stomatologica, 70(4), pp. 147-154. Minerva Medica 10.23736/S0026-4970.20.04354-X
Revilla-León, Marta; Al-Haj Husain, Nadin; Methani, Mohammed Mujtaba; Özcan, Mutlu (2021). Chemical composition, surface roughness, and ceramic bond strength of additively manufactured cobalt-chromium dental alloys. The journal of prosthetic dentistry, 125(5), pp. 825-831. Elsevier 10.1016/j.prosdent.2020.03.012
Revilla-León, Marta; Al-Haj Husain, Nadin; Ceballos, Laura; Özcan, Mutlu (2021). Flexural strength and Weibull characteristics of stereolithography additive manufactured versus milled zirconia. The journal of prosthetic dentistry, 125(4), pp. 685-690. Elsevier 10.1016/j.prosdent.2020.01.019
Al-Haj Husain, Nadin; Molinero-Mourelle, Pedro; Janner, Simone F. M.; Brägger, Urs; Özcan, Mutlu; Schimmel, Martin; Revilla-Léon, Marta; Abou-Ayash, Samir (2021). Digital workflow for implant-supported fixed complete dentures based on backwards planning in an edentulous patient. International journal of computerized dentistry, 24(1), pp. 89-101. Quintessence Publishing
Al-Haj Husain, Nadin; Walther, Lorenz; Özcan, Mutlu; Brägger, Urs; Joda, Tim (2021). Effect of Thickness and Shade of Resin and Ceramic- Based Hybrid Materials on Color Masking Abilities and Optical Performance of CAD/CAM Materials. European journal of prosthodontics and restorative dentistry, 29(1), pp. 14-21. Dennis Barber 10.1922/EJPRD_2058Al-HajHusain08
Ballal, Vasudev; Khandelwal, Deepika; Yegneswaran, Prakash Peralam; Varghese, Jothi; Al-Haj Husain, Nadin; Özcan, Mutlu (2021). Evaluation of Smear Layer Removal and Antimicrobial Efficacy of HybenX Against Enterococcus Faecalis Biofilm. European journal of prosthodontics and restorative dentistry, 29(1), pp. 6-13. Dennis Barber 10.1922/EJPRD_2054Ballal08
Dhesi, G S; Sidhu, S; Al-Haj Husain, Nadin; Özcan, M (2021). Evaluation of Adhesion Protocol for Titanium Base Abutments to Different Ceramic and Hybrid Materials. European journal of prosthodontics and restorative dentistry EJPRD, 29(1), pp. 22-34. Hancocks 10.1922/EJPRD_2073Dhesi13
Mesquita, Alfredo Mikail Melo; Al-Haj Husain, Nadin; Molinero-Mourelle, Pedro; Özcan, Mutlu (2021). An Intraoral Repair Method for Chipping Fracture of a Multi-unit Fixed Zirconia Reconstruction: A Direct Dental Technique. European journal of dentistry, 15(1), pp. 174-178. Thieme 10.1055/s-0040-1716311
Molinero-Mourelle, Pedro; Al-Haj Husain, Nadin; Abou-Ayash, Samir; Yilmaz, Burak; Iizuka, Tateyuki; Schimmel, Martin (2021). Single-visit chairside adjustment of a metal-acrylic resin implant-supported fixed complete dental prosthesis on an unloaded implant using a novel fixed attachment system: a case report. Journal of medical case reports, 15(1), p. 236. BioMed Central 10.1186/s13256-021-02854-x
Rutkunas, V; Gedrimiene, A; Adaskevicius, R; Al-Haj Husain, N.; Özcan, M (2020). Comparison of the Clinical Accuracy of Digital and Conventional Dental Implant Impressions. European journal of prosthodontics and restorative dentistry EJPRD, 28(4), pp. 173-181. Hancocks 10.1922/EJPRD_02028Rutkunas09
Varghese, Jothi; Bhat, Vinutha; Chianeh, Yousef Rezaei; Kamath, V; Al-Haj Husain, Nadin; Özcan, Mutlu (2020). Salivary 8-hydroxyguanosine levels in smokers and non-smokers with chronic periodontitis. Odontology, 108(4), pp. 569-577. Springer Japan 10.1007/s10266-020-00496-x
Al-Haj Husain, Nadin; Özcan, Mutlu; Molinero-Mourelle, Pedro; Joda, Tim (2020). Clinical Performance of Partial and Full-Coverage Fixed Dental Restorations Fabricated from Hybrid Polymer and Ceramic CAD/CAM Materials: A Systematic Review and Meta-Analysis. Journal of clinical medicine, 9(7) MDPI 10.3390/jcm9072107
Al-Haj Husain, Nadin; Özcan, Mutlu; Schimmel, Martin; Abou-Ayash, Samir (2020). A digital cast-free clinical workflow for oral rehabilitation with removable partial dentures: A dental technique. The journal of prosthetic dentistry, 123(5), pp. 680-685. Elsevier 10.1016/j.prosdent.2019.05.008
Fontolliet, Alain; Al-Haj Husain, Nadin; Özcan, Mutlu (2020). Wear analysis and topographical properties of monolithic zirconia and CoCr against human enamel after polishing and glazing procedures. Journal of the mechanical behavior of biomedical materials, 105(1996-1944), p. 103712. Elsevier 10.1016/j.jmbbm.2020.103712
D'Addazio, Gianmaria; Santilli, Manlio; Rollo, Marco Lorenzo; Cardelli, Paolo; Rexhepi, Imena; Murmura, Giovanna; Al-Haj Husain, Nadin; Sinjari, Bruna; Traini, Tonino; Özcan, Mutlu; Caputi, Sergio (2020). Fracture Resistance of Zirconia-Reinforced Lithium Silicate Ceramic Crowns Cemented with Conventional or Adhesive Systems: An In Vitro Study. Materials, 13(9) MDPI 10.3390/ma13092012
Koyuncuoglu, Cenker Zeki; Kara, Haluk Baris; Akdemir, Sinan; Demir, Becen; Al-Haj Husain, Nadin; Özcan, Mutlu (2020). Cleaning efficacy of polyetheretherketone tips in eliminating cement remnants around implants with different abutment heights. Journal of oral implantology, 46(6), pp. 548-554. Allen Press 10.1563/aaid-joi-D-19-00095
Kheur, Mohit; Kantharia, Nidhi; Lakha, Tabrez; Kheur, Supriya; Al-Haj Husain, Nadin; Özcan, Mutlu (2020). Correction To: Evaluation of mechanical and adhesion properties of glass ionomer cement incorporating nano-sized hydroxyapatite particles. Odontology, 108(1), p. 152. Springer 10.1007/s10266-019-00434-6
Kheur, Mohit; Kantharia, Nidhi; Lakha, Tabrez; Kheur, Supriya; Al-Haj Husain, Nadin; Özcan, Mutlu (2020). Evaluation of mechanical and adhesion properties of glass ionomer cement incorporating nano-sized hydroxyapatite particles. Odontology, 108(1), pp. 66-73. Springer 10.1007/s10266-019-00427-5
Ballal, V; Rao, S; Al-Haj Husain, Nadin; Özcan, M (2019). Evaluation of Smear Layer Removal Using Different Irrigation Methods In Root Canals. European journal of prosthodontics and restorative dentistry EJPRD, 27(3), pp. 97-102. Hancocks 10.1922/EJPRD_01817Husain06
Aleisa, Khalil; Al-Dwairi, Ziad; Abou-Obaid, Alaa; Al-Muharib, Aseel; Al-Rejaye, Najla; Morgano, Steven M; Al-Haj Husain, Nadin; Özcan, Mutlu (2019). Effect of length of LOCATOR abutment and cement type on retention to intraradicular dentin in overdentures. The journal of prosthetic dentistry, 122(2), 152.e1-152.e6. Elsevier 10.1016/j.prosdent.2019.04.023
Shahi, Shahriar; Özcan, Mutlu; Maleki Dizaj, Solmaz; Sharifi, Simin; Al-Haj Husain, Nadin; Eftekhari, Aziz; Ahmadian, Elham (2019). A review on potential toxicity of dental material and screening their biocompatibility. Toxicology mechanisms and methods, 29(5), pp. 368-377. Taylor & Francis 10.1080/15376516.2019.1566424
Daou, Elie E; Özcan, Mutlu; Salameh, Pascale; Al-Haj Husain, Nadin; Salameh, Ziad (2018). Comparison of Adhesion of a Novel Pre-sintered Cobalt-Chromium to Pre-sintered Zirconia and Cast Nickel-Chromium. The journal of contemporary dental practice, 19(7), pp. 816-823. Jaypee Brothers Medical Publishers
Özcan, Mutlu; Al-Haj Husain, Nadin; Maziero Volpato, Claudia Angela (2018). Verblendungsfraktur - direkte und indirekte Reparaturmethoden. Quintessenz, 69(6), pp. 650-657. Quintessenz Verlags-GmbH
