{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T17:52:37Z","timestamp":1789494757089,"version":"build-2803163510"},"reference-count":37,"publisher":"American Academy of Implant Dentistry","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,6]]},"abstract":"<jats:p>This is an in silico study aimed to evaluate the biomechanical influence of different implant-abutment interfaces (external hexagon and Morse taper implants), retention systems (cement and screw retained), and restorative crowns (metal-ceramic and monolithic) using 3-dimensional finite element analysis (3D-FEA). Eight 3D models were simulated for the maxillary first molar area using InVesalius, Rhinoceros, and SolidWorks and processed using Femap and NEi Nastran software. Axial and oblique forces of 200 and 100 N, respectively, were applied on the occlusal surface of the prostheses. Microstrain and von Mises stress maps were used to evaluate the deformation (cortical bone tissue) and stress (implants\/fixation screws\/crowns), respectively, for each model. For both loadings, Morse taper implants had lower microstrain values than the external hexagon implants. The retention system did not affect microstrain on the cortical bone tissue under both loadings. However, the cemented prosthesis displayed higher stress with the fixation screw than the external hexagon implants. No difference was observed between the metal-ceramic and zirconia monolithic crowns in terms of microstrain and stress distribution on the cortical bone, implants, or components. Morse taper implants can be considered as a good alternative for dental implant rehabilitation because they demonstrated better biomechanical behavior for the bone and fixation screw as compared to external hexagon implants. Cement-retained prosthesis increased the stress on the fixation screw of the external hexagon implants, thereby increasing the risk of screw loosening\/fracture in the posterior maxillary area. The use of metal-ceramic or monolithic crowns did not affect the biomechanical behavior of the evaluated structures.<\/jats:p>","DOI":"10.1563\/aaid-joi-d-20-00328","type":"journal-article","created":{"date-parts":[[2021,6,6]],"date-time":"2021-06-06T13:30:15Z","timestamp":1622986215000},"page":"194-201","source":"Crossref","is-referenced-by-count":22,"title":["Biomechanical Evaluation of Different Implant-Abutment Connections, Retention Systems, and Restorative Materials in the Implant-Supported Single Crowns Using 3D Finite Element Analysis"],"prefix":"10.1563","volume":"48","author":[{"given":"Cleidiel Aparecido Araujo","family":"Lemos","sequence":"first","affiliation":[{"name":"Division of Prosthodontics, Department of Dentistry, Federal University of Juiz de Fora, Governador Valadares MG, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fellippo Ramos","family":"Verri","sequence":"additional","affiliation":[{"name":"Department of Dental Materials and Prosthodontics, Ara\u00e7atuba Dental School, UNESP\u2013University Estadual Paulista, Ara\u00e7atuba, Sao Paulo, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pedro Yoshito","family":"Noritomi","sequence":"additional","affiliation":[{"name":"Renato Archer Information Technology Center, Campinas, S\u00e3o Paulo, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Victor Eduardo","family":"de Souza Batista","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics, Presidente Prudente Dental School, University of the West of S\u00e3o Paulo, Presidente Prudente, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ronaldo Silva","family":"Cruz","sequence":"additional","affiliation":[{"name":"Department of Dental Materials and Prosthodontics, Ara\u00e7atuba Dental School, UNESP\u2013University Estadual Paulista, Ara\u00e7atuba, Sao Paulo, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jessica Marcela","family":"de Luna Gomes","sequence":"additional","affiliation":[{"name":"Department of Dental Materials and Prosthodontics, Ara\u00e7atuba Dental School, UNESP\u2013University Estadual Paulista, Ara\u00e7atuba, Sao Paulo, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jo\u00e3o Pedro Justino","family":"de Oliveira Lim\u00edrio","sequence":"additional","affiliation":[{"name":"Department of Dental Materials and Prosthodontics, Ara\u00e7atuba Dental School, UNESP\u2013University Estadual Paulista, Ara\u00e7atuba, Sao Paulo, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eduardo Piza","family":"Pellizzer","sequence":"additional","affiliation":[{"name":"Department of Dental Materials and Prosthodontics, Ara\u00e7atuba Dental School, UNESP\u2013University Estadual Paulista, Ara\u00e7atuba, Sao Paulo, Brazil."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"434","reference":[{"key":"i1548-1336-48-3-194-b01","series-title":"Implant Dent","first-page":"437","article-title":"Br\u00e5nemark, and ITI implants in the rehabilitation of partial edentulism: two-year results","volume":"19","author":"Bilhan","year":"2010","unstructured":"Bilhan\n              H,\n            \n            \n              Kutay\n              O,\n            \n            \n              Arat\n              S,\n            \n            \n              Cekici\n              A,\n            \n            \n              Cehreli\n              MC.\n            \n            \n              Tech,\n              Astra\n            \n          \n          Br\u00e5nemark, and ITI implants in the rehabilitation of partial edentulism: two-year results.\n\t\t\t\t\tImplant Dent.\n\t\t\t\t\t2010;19:437\u2013446."},{"key":"i1548-1336-48-3-194-b02","series-title":"J Prosthet Dent","first-page":"419","article-title":"Santiago J\u00fanior JF, Verri FR, Pellizzer EP. 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