Accuracy Evaluation of the Computer-Designed Selective Laser Sintering Surgical Guide for Flapless Immediate Loading Dental Implants Surgery in Edentulous Jaws
| Autor: | Giovanni de Almeida Prado Di Giacomo, Patricia Ramos Cury, Julia Tizue Fukushima, Sergio Aron Ajzen, Jorge Vicente Lopes da Silva, Airton Moreira da Silva, Carlos Eduardo Pompeo Souto, Rodrigo Tadashi Martines |
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| Rok vydání: | 2021 |
| Předmět: |
medicine.medical_treatment
Computed tomography Virtual position Patient Care Planning Imaging Three-Dimensional stomatognathic system Immediate loading medicine Humans Jaw Edentulous Dental implant Orthodontics Dental Implants medicine.diagnostic_test business.industry Computers Lasers Dental prosthesis Dental Implantation Endosseous Cone-Beam Computed Tomography stomatognathic diseases Virtual planning Surgery Computer-Assisted Coronal plane Flapless surgery Computer-Aided Design Oral Surgery business |
| Zdroj: | The Journal of oral implantology. 48(4) |
| ISSN: | 0160-6972 |
| Popis: | This study was designed to evaluate the accuracy of a novel computer-designed and selectively laser sintered surgical guide for flapless dental implant placement in the edentulous jaw. Fifty dental implants were placed in 11 patients with at least 1 totally edentulous jaw. Initially, cone-beam computed tomography (CBCT) was performed in each patient to define the virtual position of the dental implants based on the assessment of bone availability and the proposed dental prosthesis. After virtual planning, 3D surgical guides were printed using selective laser sintering. CBCT was repeated after the surgery, and the pre- and postoperative images were overlapped in computer-assisted design software to compare the planned and actual positions of the dental implants using a 1-sample t test. The mean ± angular standard deviation between the long axes of the planned and final dental implant positions was 4.58° ± 2.85°; the linear deviation in the coronal position was 0.87 ± 0.49 mm and in the apical region of the dental implants was 1.37 ± 0.69 mm. These differences were statistically significant (P < .001). The proposed modifications reduced the deviations, resulting in an improvement in the technique. We were able to place implants and temporary prostheses using the present protocol, taking into account the differences between the planned and final positions of the dental implants. |
| Databáze: | OpenAIRE |
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