Accuracy of a novel modified single computed tomography scanning method for assisting dental implant placement: a retrospective observational study.
Int J Implant Dent
; 9(1): 42, 2023 Nov 02.
Article
em En
| MEDLINE
| ID: mdl-37917412
ABSTRACT
PURPOSE:
The aim of this study is to compare dental implant placement accuracy of three surgical guide fabricationmethods:
single (SCT) and double computed tomography (DCT), and a newly developed modified SCT (MSCT) scan method.METHODS:
A total of 183 cases (183 surgical guides, and 485 implants) of static-guide-assisted implant placement surgery using the SCT, DCT, or MSCT methods in a dental clinic were included in the study. Three-dimensional (3D) deviations (mm) at the entry and tip of the implant body between preoperative simulation and actual placement were measured as surrogate endpoints of implant placement accuracy. The following survey details were collected from medical records and CT data sex, age at implant placement surgery, surgical guide fabrication method, number of remaining teeth, implant length, implant location, alveolar bone quality, and bone surface inclination at implant placement site in preoperative simulation, etc. Risk factors for reducing implant placement accuracy were investigated using generalized estimating equations.RESULTS:
The SCT and DCT methods (odds ratios [ORs] vs. MSCTmethod:
1.438, 1.178, respectively), posterior location (OR 1.114), bone surface buccolingual inclination (OR 0.997), and age at implant placement surgery (OR 0.995) were significant risk factors for larger 3D deviation at the entry; the SCT (OR 1.361) and DCT methods (OR 1.418), posterior location (OR 1.190), implant length (OR 1.051), and age at implant placement surgery (OR 0.995) were significant risk factors for larger 3D deviation at the tip of the implant body.CONCLUSIONS:
Implant placement accuracy was better using the MSCT method compared to the SCT and DCT methods.Palavras-chave
Texto completo:
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Base de dados:
MEDLINE
Assunto principal:
Implantes Dentários
/
Cirurgia Assistida por Computador
Idioma:
En
Ano de publicação:
2023
Tipo de documento:
Article