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Effect of PEMF on Dental Implant Stability

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Publication Title | Effect of PEMF on Dental Implant Stability

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Effect of the Pulsed Electromagnetic Field (PEMF) on Dental Implants Stability: A Randomized Controlled Clinical Trial
Bhukya P. Nayak 1, Oleg Dolkart 2,*, Parth Satwalekar 1, Yeramala P. Kumar 1,
Anam Chandrasekar 1, Ophir Fromovich 3, Elad Yakobson 4, Shlomo Barak 4, Ulisses Dayube 5 and Jamil A. Shibli 5
3 4 5
* Correspondence:
Received: 20 January 2020; Accepted: 23 March 2020; Published: 3 April 2020
SVS Institute of Dental Sciences, Mahabubnagar, Kaloji Narayana Rao University of Health Sciences, Telangana 509001, India; (B.P.N.); (P.S.); (Y.P.K.); (A.C.)
Division of Orthopedic Surgery, Tel Aviv Sourasky Medical Center, Tel Aviv University Sackler Faculty of Medicine, Tel Aviv 6423906, Israel
Privet Practice, Nordau 83, Tel Aviv 62381, Israel;
Magdent Ltd., Bnei-Brak 5120109, Israel; (E.Y.); (S.B.) Department of Periodontology and Oral Implantology, Dental Research Division, University of Guarulhos, 07023-040 Guarulhos, SP, Brazil; (U.D.); (J.A.S.)
Abstract: A pulsed electromagnetic field (PEMF) has been shown to contribute to heightening bone
regeneration in a range of clinical areas, including dentistry. Due to the scarcity of studies using PEMF in oral implantology, the present experiment scrutinized the effect of PEMF can lead to improving the stability of the implant. A total of 19 subjects (40 implants in total) were selected to participate in the current study and were randomly allocated to either the PEMF group or control group. Subjects in the PEMF group received an activated miniaturized electromagnetic device (MED) while the control group received a sham healing cup. Implants stability was assessed by resonance frequency analyses (RFA) via implant stability quotient (ISQ) calculations. RFA were recorded as following: immediately after procedure, and then 2, 4, 6, 8 and 12 weeks later. Radiographic analysis was performed at baseline, 6 and 12 weeks after implant placement. Proinflammatory cytokines were evaluated in peri-implant crevicular fluid (PICF). The PEMF group presented higher ISQ mean values when compared to the control group. The primary stability time frame (the first 2 weeks) MED group depicted an increase in stability of 6.8%, compared to a decrease of 7.6% in the control group related to the baseline. An overall stability increase of 13% was found in MED treated group (p = 0.02), in contrast, the overall stability in the control group decreased by 2% (p = 0.008). TNF-α concentration during first 4 weeks was lower in the MED treated group. The data strongly suggests that MED generated continuing a PEMF may be considered as a new way to stimulate the stability of the implants at the early healing period.
Keywords: pulsed electromagnetic field; osseointegration; implant stability; healing abutment
1. Introduction
Dental implants have become a popular solution as a prosthetic treatment and have high success rates [1]. However, the time for functional loading once the implant is osseointegrated still remains long for the vast majority of implants. However, some recently introduced implants can be loaded

Materials 2020, 13, 1667; doi:10.3390/ma13071667

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