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Bone and Dental Implants
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Bone and Dental Implants

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Biomaterials".

Deadline for manuscript submissions: closed (20 October 2022) | Viewed by 4298

Special Issue Editor

Dr. Zeev Ormianer

E-Mail Website
Guest Editor
Department of Oral Rehabilitation, School of Dental Medicine, Tel Aviv University, Tel Aviv 69978, Israel
Interests: dental implants; bone biomechanics; implant protheses CAD/CAM; occlusion and dental implants

Special Issue Information

Dear Colleagues,

Bone to implant contact (BIC) is one of the most significant issues in osseointegration and the primary stability of dental implants. The histology of the bone around the implant was reported extensively. However, there is still lack of information on augmented bone biomechanics, histology and long term stability.

The properties of the implant surface in augmented bone and its effect on BIC and implant stability, as well as the contribution of the implants macro and micro structure to primary stability in augmented bone, are not fully understood.

It is my pleasure to invite you to submit a manuscript to this Special Issue of “Bone and Dental Implants”.

The topics of interest include, but are not limited to:

  • Bone to implant contact and bone volume;
  • Augmented bone biomechanics properties and the effect on primary stability;
  • Implant surface characteristics;
  • Implants insertion methods and their impact on bone and implant surfaces.

Dr. Zeev Ormianer
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • augmented bone
  • dental implants
  • biomechanics
  • BIC

Published Papers (3 papers)

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Research

11 pages, 997 KiB  
Article
A Comparative Evaluation of the Strain Transmitted through Prostheses on Implants with Two Different Macro-Structures and Connection during Insertion and Loading Phase: An In Vitro Study
by Riyam Kassem, Amar Samara, Ameer Biadsee, Shchada Masarwa, Tarek Mtanis and Zeev Ormianer
Materials 2022, 15(14), 4954; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15144954 - 16 Jul 2022
Cited by 2 | Viewed by 1058
Abstract
Background: The purpose of this study was to measure and compare the strain levels in the peri-implant bone as generated by the blade-like implant (BLI) and the screw-type implant (STI) with two different internal connections (hexagonal and conical) and with a 1:1 and [...] Read more.
Background: The purpose of this study was to measure and compare the strain levels in the peri-implant bone as generated by the blade-like implant (BLI) and the screw-type implant (STI) with two different internal connections (hexagonal and conical) and with a 1:1 and 2:1 crown/implant (C/I) ratio. Methods: The implants (BLI and STI) were placed into sawbones according to the manufacturer’s protocol. Two strain gauges, horizontal and vertical to the implant axis, were placed around each implant on the bone surface 1 mm from the cervical part. Each implant was loaded by a material testing machine at a force of 100 N. Micro-strains (με) generated in the surrounding bone were measured by a strain gauge and recorded. Results: Recorded micro-strains were not significant in both the insertion and loading phases (p < 0.0625). The average recorded micro-strain values were lower in the horizontal dimension of STI with hexagonal connection when the C/I ratio was 2:1 compared with BLI, 210 με and 443 με, respectively. Conclusion: Within the limitations of this study, implant design, implant-abutment connection and C/I ratio did not influence strain values in bone and there is no statistically significant effect of these parameters on bone. Full article
(This article belongs to the Special Issue Bone and Dental Implants)
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11 pages, 2342 KiB  
Article
Effects of a ZnCuO-Nanocoated Ti-6Al-4V Surface on Bacterial and Host Cells
by Kamal Dabbah, Ilana Perelshtein, Aharon Gedanken, Yael Houri-Haddad and Osnat Feuerstein
Materials 2022, 15(7), 2514; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15072514 - 29 Mar 2022
Cited by 2 | Viewed by 1604
Abstract
This study aims to investigate the effects of a novel ZnCuO nanoparticle coating for dental implants—versus those of conventional titanium surfaces—on bacteria and host cells. A multispecies biofilm composed of Streptococcus sanguinis, Actinomyces naeslundii, Porphyromonas gingivalis, and Fusobacterium nucleatum was [...] Read more.
This study aims to investigate the effects of a novel ZnCuO nanoparticle coating for dental implants—versus those of conventional titanium surfaces—on bacteria and host cells. A multispecies biofilm composed of Streptococcus sanguinis, Actinomyces naeslundii, Porphyromonas gingivalis, and Fusobacterium nucleatum was grown for 14 days on various titanium discs: machined, sandblasted, sandblasted and acid-etched (SLA), ZnCuO-coated, and hydroxyapatite discs. Bacterial species were quantified with qPCR, and their viability was examined via confocal microscopy. Osteoblast-like and macrophage-like cells grown on the various discs for 48 h were examined for proliferation using an XTT assay, and for activity using ALP and TNF-α assays. The CSLM revealed more dead bacteria in biofilms grown on titanium than on hydroxyapatite, and less on sandblasted than on machined and ZnCuO-coated surfaces, with the latter showing a significant decrease in all four biofilm species. The osteoblast-like cells showed increased proliferation on all of the titanium surfaces, with higher activity on the ZnCuO-coated and sandblasted discs. The macrophage-like cells showed higher proliferation on the hydroxyapatite and sandblasted discs, and lower activity on the SLA and ZnCuO-coated discs. The ZnCuO-coated titanium has anti-biofilm characteristics with desired effects on host cells, thus representing a promising candidate in the complex battle against peri-implantitis. Full article
(This article belongs to the Special Issue Bone and Dental Implants)
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12 pages, 40861 KiB  
Article
The Effect of Coronal Implant Design and Drilling Protocol on Bone-to-Implant Contact: A 3-Month Study in the Minipig Calvarium
by Omer Cohen, Dieter D. Bosshardt, Evegeny Weinberg, Gil Slutzkey and Ofer Moses
Materials 2021, 14(10), 2645; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14102645 - 18 May 2021
Viewed by 1688
Abstract
Background: Stress concentrated at an implant’s neck may affect bone-to-implant contact (BIC). The objective of this study was to evaluate four different implant neck designs using two different drilling protocols on the BIC. Methods: Ninety-six implants were inserted in 12 minipigs calvarium. Implants [...] Read more.
Background: Stress concentrated at an implant’s neck may affect bone-to-implant contact (BIC). The objective of this study was to evaluate four different implant neck designs using two different drilling protocols on the BIC. Methods: Ninety-six implants were inserted in 12 minipigs calvarium. Implants neck designs evaluated were: type 1–6 coronal flutes (CFs), 8 shallow microthreads (SMs); type 2–6 CFs,4 deep microthreads (DMs); type 3–4 DMs; type 4–2 CFs, 8 SMs. Two groups of forty-eight implants were inserted with a final drill diameter of 2.8 mm (DP1) or 3.2 mm (DP2). Animals were sacrificed after 1 and 3 months, total-BIC (t-BIC) and coronal-BIC (c-BIC) were evaluated by nondecalcified histomorphometry analysis. Results: At 1 month, t-BIC ranged from 85–91% without significant differences between implant types or drilling protocol. Flutes on the coronal aspect impaired the BIC at 3 m. c-BIC of implant types with 6 CFs was similar and significantly lower than that of implant types 3 and 4. c-BIC of implant type 4 with SMs was highest of all implant types after both healing periods. Conclusions: BIC was not affected by the drilling protocol. CFs significantly impaired the -BIC. Multiple SMs were associated with greater c-BIC. Full article
(This article belongs to the Special Issue Bone and Dental Implants)
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