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Effect of the level of alveolar atrophy on implant placement accuracy in guided surgery for full-arch restorations supported by four implants: an in vitro study

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dc.contributor.authorBAYRAM, FERİT
dc.contributor.authorsGöçmen G., Bayrakçıoğlu A., Bayram F.
dc.date.accessioned2023-09-13T11:59:03Z
dc.date.available2023-09-13T11:59:03Z
dc.date.issued2023-08-30
dc.description.abstractBackground A fxed screw-retained full-arch restoration supported by four implants is a popular treatment option for edentulous arches. Optimal alignment of implants is quite challenging in extremely atrophied edentulous cases, and a small amount of deviation is expected during guided surgery. This study aimed to compare implant accuracy among edentulous jaws with various levels of atrophy. Methods Five separate copies of each Cawood and Howell model (III–V) were produced for the maxilla and mandible. A total of 120 implants (30 models). The implant accuracy was assessed based on angular deviations at the base (angle, 3D ofset, distal, vestibular, and apical) and tip (3D ofset, distal, vestibular, and apical). Results The atrophy level of the jaws had a statistically signifcant efect on deviation; implants showed greater deviation from the planned location as the atrophy level increased. Conclusion Given that implant deviation increased with the degree of atrophy, a greater safety margin from important anatomical structures is recommended when planning implant location for guided surgery in Cawood and Howell V cases.
dc.identifier.citationGöçmen G., Bayrakçıoğlu A., Bayram F., "Effect of the level of alveolar atrophy on implant placement accuracy in guided surgery for full-arch restorations supported by four implants: an in vitro study.", Head & face medicine, cilt.19, sa.1, ss.40, 2023
dc.identifier.doi10.1186/s13005-023-00387-w
dc.identifier.endpage40
dc.identifier.issue1
dc.identifier.startpage40
dc.identifier.urihttps://avesis.marmara.edu.tr/api/publication/391e977f-2f69-49ff-aa04-d7970901466a/file
dc.identifier.urihttps://hdl.handle.net/11424/293402
dc.identifier.volume19
dc.language.isoeng
dc.relation.ispartofHead & face medicine
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectDental implant
dc.subjectComputer-aided designs
dc.subjectCAD-CAM
dc.subjectEdentulous jaw
dc.subjectBone screws
dc.subjectAtrophy
dc.titleEffect of the level of alveolar atrophy on implant placement accuracy in guided surgery for full-arch restorations supported by four implants: an in vitro study
dc.typearticle
dspace.entity.typePublication
local.avesis.id391e977f-2f69-49ff-aa04-d7970901466a
local.indexed.atPUBMED
local.indexed.atSCOPUS
relation.isAuthorOfPublication46bad1ec-9995-40c2-8753-f6a44577920b
relation.isAuthorOfPublication.latestForDiscovery46bad1ec-9995-40c2-8753-f6a44577920b

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