Biomechanical Effects of a New Macrogeometry Design of Dental Implants: An In Vitro Experimental Analysis.
bone density
dental implants
healing chambers
initial stability
insertion torque
new implant macrogeometry
Journal
Journal of functional biomaterials
ISSN: 2079-4983
Titre abrégé: J Funct Biomater
Pays: Switzerland
ID NLM: 101570734
Informations de publication
Date de publication:
25 Oct 2019
25 Oct 2019
Historique:
received:
23
09
2019
revised:
21
10
2019
accepted:
23
10
2019
entrez:
17
11
2019
pubmed:
17
11
2019
medline:
17
11
2019
Statut:
epublish
Résumé
The purpose of the present study was to measure and compare the insertion torque, removal torque, and the implant stability quotient by resonance frequency analysis in different polyurethane block densities of two implant macrogeometries. Four different polyurethane synthetic bone blocks were used with three cortical thickness: Bone 1 with a cortical thickness of 1 mm, Bone 2 with a cortical thickness of 2 mm, Bone 3 with a cortical thickness of 3 mm, and Bone 4, which was totally cortical. Four groups were created in accordance with the implant macrogeometry (n = 10 per group) and surface treatment: G1-regular implant design without surface treatment; G2-regular implant design with surface treatment; G3-new implant design without surface treatment; G4-new implant design with surface treatment. All implants used were 4 mm in diameter and 10 mm in length and manufactured in commercially pure titanium (grade IV) by Implacil De Bortoli (São Paulo, Brazil). The implants were installed using a computed torque machine, and following installation of the implant, the stability quotient (implant stability quotient, ISQ) values were measured in two directions using Osstell devices. The data were analyzed by considering the 5% level of significance. All implant groups showed similar mean ISQ values without statistical differences (
Identifiants
pubmed: 31731451
pii: jfb10040047
doi: 10.3390/jfb10040047
pmc: PMC6963387
pii:
doi:
Types de publication
Journal Article
Langues
eng
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