Marginal Bone Loss around Implants with Internal Hexagonal and Internal Conical Connections: A 12-Month Randomized Pilot Study

The aim of this study was to analyze the differences in terms of the marginal bone level (MBL) around implants with either an internal conical or an internal hexagonal implant–prosthesis connection. A randomized clinical trial included patients in need of a single implant-supported restoration. The...

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Autores principales:	Pablo Galindo-Moreno, Ada Concha-Jeronimo, Lucia Lopez-Chaichio, Roque Rodriguez-Alvarez, Elena Sanchez-Fernandez, Miguel Padial-Molina
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	marginal bone loss implant–prosthesis connection peri-implantitis dental implants Medicine R
Acceso en línea:	https://doaj.org/article/98d53ea41f254f9ea4a79c53e5ed4df1
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spelling	oai:doaj.org-article:98d53ea41f254f9ea4a79c53e5ed4df12021-11-25T18:02:42ZMarginal Bone Loss around Implants with Internal Hexagonal and Internal Conical Connections: A 12-Month Randomized Pilot Study10.3390/jcm102254272077-0383https://doaj.org/article/98d53ea41f254f9ea4a79c53e5ed4df12021-11-01T00:00:00Zhttps://www.mdpi.com/2077-0383/10/22/5427https://doaj.org/toc/2077-0383The aim of this study was to analyze the differences in terms of the marginal bone level (MBL) around implants with either an internal conical or an internal hexagonal implant–prosthesis connection. A randomized clinical trial included patients in need of a single implant-supported restoration. The implant–prosthesis connection was either internal conical or internal hexagonal while maintaining the same type of implant macro- and microarchitecture. Clinical and radiographical variables were registered up to 12 months of follow-up, including MBL. A total of 30 patients were included in the study. The main outcome variable, MBL 12 months after prosthesis delivery, was statistically different in both groups: −0.25 (0.12) vs. −0.70 (0.43) (conical vs. hexagonal; <i>p</i> = 0.033). Differences were also observed at the 3- and 6-month follow-up visits as well as for the MBL change from prosthesis delivery to the 12-month follow-up (−0.15 (0.13) vs. −0.56 (0.44); conical vs. hexagonal; <i>p</i> = 0.023). Correlations between MBL around the implants and radiographic measurements on the adjacent teeth, buccal bone to implant, tissue thickness or keratinized tissue were not significant neither globally nor when analyzed independently by group. In view of such results, it can be concluded that single-unit restorations with internal hexagonal-connection implants induce higher marginal bone loss after 12 months of follow-up from prosthesis delivery than internal conical-connection implants.Pablo Galindo-MorenoAda Concha-JeronimoLucia Lopez-ChaichioRoque Rodriguez-AlvarezElena Sanchez-FernandezMiguel Padial-MolinaMDPI AGarticlemarginal bone lossimplant–prosthesis connectionperi-implantitisdental implantsMedicineRENJournal of Clinical Medicine, Vol 10, Iss 5427, p 5427 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	marginal bone loss implant–prosthesis connection peri-implantitis dental implants Medicine R
spellingShingle	marginal bone loss implant–prosthesis connection peri-implantitis dental implants Medicine R Pablo Galindo-Moreno Ada Concha-Jeronimo Lucia Lopez-Chaichio Roque Rodriguez-Alvarez Elena Sanchez-Fernandez Miguel Padial-Molina Marginal Bone Loss around Implants with Internal Hexagonal and Internal Conical Connections: A 12-Month Randomized Pilot Study
description	The aim of this study was to analyze the differences in terms of the marginal bone level (MBL) around implants with either an internal conical or an internal hexagonal implant–prosthesis connection. A randomized clinical trial included patients in need of a single implant-supported restoration. The implant–prosthesis connection was either internal conical or internal hexagonal while maintaining the same type of implant macro- and microarchitecture. Clinical and radiographical variables were registered up to 12 months of follow-up, including MBL. A total of 30 patients were included in the study. The main outcome variable, MBL 12 months after prosthesis delivery, was statistically different in both groups: −0.25 (0.12) vs. −0.70 (0.43) (conical vs. hexagonal; <i>p</i> = 0.033). Differences were also observed at the 3- and 6-month follow-up visits as well as for the MBL change from prosthesis delivery to the 12-month follow-up (−0.15 (0.13) vs. −0.56 (0.44); conical vs. hexagonal; <i>p</i> = 0.023). Correlations between MBL around the implants and radiographic measurements on the adjacent teeth, buccal bone to implant, tissue thickness or keratinized tissue were not significant neither globally nor when analyzed independently by group. In view of such results, it can be concluded that single-unit restorations with internal hexagonal-connection implants induce higher marginal bone loss after 12 months of follow-up from prosthesis delivery than internal conical-connection implants.
format	article
author	Pablo Galindo-Moreno Ada Concha-Jeronimo Lucia Lopez-Chaichio Roque Rodriguez-Alvarez Elena Sanchez-Fernandez Miguel Padial-Molina
author_facet	Pablo Galindo-Moreno Ada Concha-Jeronimo Lucia Lopez-Chaichio Roque Rodriguez-Alvarez Elena Sanchez-Fernandez Miguel Padial-Molina
author_sort	Pablo Galindo-Moreno
title	Marginal Bone Loss around Implants with Internal Hexagonal and Internal Conical Connections: A 12-Month Randomized Pilot Study
title_short	Marginal Bone Loss around Implants with Internal Hexagonal and Internal Conical Connections: A 12-Month Randomized Pilot Study
title_full	Marginal Bone Loss around Implants with Internal Hexagonal and Internal Conical Connections: A 12-Month Randomized Pilot Study
title_fullStr	Marginal Bone Loss around Implants with Internal Hexagonal and Internal Conical Connections: A 12-Month Randomized Pilot Study
title_full_unstemmed	Marginal Bone Loss around Implants with Internal Hexagonal and Internal Conical Connections: A 12-Month Randomized Pilot Study
title_sort	marginal bone loss around implants with internal hexagonal and internal conical connections: a 12-month randomized pilot study
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/98d53ea41f254f9ea4a79c53e5ed4df1
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Marginal Bone Loss around Implants with Internal Hexagonal and Internal Conical Connections: A 12-Month Randomized Pilot Study

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