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Prof. Dr. Joseph Nissan

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Department of Oral Rehabilitation, The Faculty of Medicine, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv 69978, Israel
Interests: oral rehabilitation; dental restorative materials and techniques; periodontology; reconstructive treatment (bone reformation); dental implants; pediatric dentistry
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Dear Colleagues,

The scope of this Special Issue in JCM entitled “Dental Implant Surgery: Clinical Updates and Perspectives" is to evaluate and improve evidence-based implant dentistry to include predictable, extended dental treatment values. We intend to cover a wide range of materials and techniques applied in all dental disciplines, including oral rehabilitation, periodontology, dental implantology, oral, and maxillofacial reconstruction and pediatric dentistry.

Modern pediatric treatments lead to enhanced outcomes, and new materials and techniques have been introduced and applied in clinical practice.

This Special Issue will be dedicated to all the rehabilitative materials and techniques used in implant dentistry, related to all dental Desplaines.

Prof. Dr. Joseph Nissan
Guest Editor

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Keywords

oral rehabilitation
dental restorative materials and techniques
periodontology
reconstructive treatment (bone reformation)
dental implants
pediatric dentistry

Published Papers (1 paper)

Research

10 pages, 2692 KiB

Open AccessArticle

The Influence of Laboratory Scanner versus Intra-Oral Scanner on Determining Axes and Distances between Three Implants in a Straight Line by Using Two Different Intraoral Scan Bodies: A Pilot In Vitro Study

by Asaf Shely, Diva Lugassy, Ophir Rosner, Eran Zanziper, Joseph Nissan, Shir Rachmiel, Yara Khoury and Gil Ben-Izhack

J. Clin. Med. 2023, 12(20), 6644; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm12206644 - 20 Oct 2023

Cited by 2 | Viewed by 1266

Abstract

Background: The purpose of this in vitro study was to compare the inter-implant distance, inter-implant axis, and intra-implant axis of three implants in a straight line by using a laboratory scanner (LBS) versus an intra-oral scanner (IOS) with two different intra-oral scan bodies (ISBs). Methods: A 3D model was printed with internal hex implant analogs of three implants in positions 15#, 16#, and 17#. Two standard intra-oral scan bodies (ISBs) were used: MIS ISB (two-piece titanium) and Zirkonzhan ISB (two-piece titanium). Both ISBs were scanned using 7 Series dental wings (LBS) and 30 times using Primescan (IOS). For each scan, a stereolithography (STL) file was created and a comparison between all the scans was performed through superimposition of the STL files by using 3D analysis software (PolyWorks^® 2020; InnovMetric, Québec, QC, Canada). A Kolmogorov–Smirnov test was performed followed by a Mann–Whitney test (p < 0.05). Results: The change in inter-implant distance for the MIS ISB was significantly lower compared to the ZZ (p < 0.05). The change in intra-implant angle was significantly lower for the ZZ ISB compared to MIS (p < 0.05). The changes in inter-implant angle between the mesial and middle and between the middle and distal were significantly lower for MIS compared to ZZ in contrast to mesial to distal, which was significantly higher (p < 0.05). Conclusions: Both ISBs showed differences in all the parameters between the LBS and the IOS. The geometry of the scan abutment had an impact on the inter-implant distance as the changes in the inter-implant distance were significantly lower for the MIS ISB. The changes in the intra-implant angle were significantly lower for the ZZ ISB. There is a need for further research examining the influence of geometry, material, and scan abutment parts on the trueness. Full article

(This article belongs to the Special Issue Dental Implant Surgery: Clinical Updates and Perspectives)

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