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Article

Peri-Implant Soft Tissue Conditioning by Means of Customized Healing Abutment: A Randomized Controlled Clinical Trial

1
Department of oral surgery, Fondazione Policlinico Ca’ Granda, 20141 Milan, Italy
2
School of oral surgery, Fondazione Policlinico Ca’ Granda, 20141 Milan, Italy
3
Department of Oral Rehabilitation, Italian Institute of Stomatology, 20141 Milan, Italy
4
BIOMORF Department, University of Messina, 98100 Messina, Italy
*
Author to whom correspondence should be addressed.
Materials 2019, 12(18), 3041; https://doi.org/10.3390/ma12183041
Received: 5 July 2019 / Revised: 4 September 2019 / Accepted: 18 September 2019 / Published: 19 September 2019
(This article belongs to the Special Issue Dental Implants and Materials)
Introduction: An optimal aesthetic implant restoration is a combination of a visually pleasing prosthesis and adequate surrounding peri-implant soft tissue architecture. This study describes a novel workflow for one-step formation of the supra-implant emergence profile. Materials and Methods: Two randomized groups were selected. Ten control group participants received standard healing screws at the surgical stage. Ten individualized healing abutments were Computer aided Design/Computer aided Manufacturing (CAD/CAM)-fabricated out of polyether ether ketone (PEEK) restoration material in a fully digital workflow and seated at the surgical stage in the test group. The modified healing abutment shape was extracted from a virtual library. The standard triangulation language (STL) files of a premolar and a molar were obtained considering the coronal anatomy up to the cement-enamel junction (CEJ). After a healing period ranging from 1 to 3 months depending on the location of the surgical site, namely, mandible or maxilla, a digital impression was taken. The functional implant prosthodontics score (FIPS) and the numerical rating scale (NRS) of pain were recorded and compared. Results: The mean FIPS value for the test group was 9.1 ± 0.9 while the control group mean value was 7.1 ± 0.9. In the test group, pain assessment at crown placement presented a mean value of 0.5 ± 0.7. On the contrary, the control group showed a mean value of 5.5 ± 1.6. Conclusions: Patients in the test group showed higher FIPS values and lower NRS scores during the early phases compared to the control group. View Full-Text
Keywords: CAD/CAM; dental implant; emergence profile; soft tissue; custom healing abutment CAD/CAM; dental implant; emergence profile; soft tissue; custom healing abutment
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MDPI and ACS Style

Beretta, M.; Poli, P.P.; Pieriboni, S.; Tansella, S.; Manfredini, M.; Cicciù, M.; Maiorana, C. Peri-Implant Soft Tissue Conditioning by Means of Customized Healing Abutment: A Randomized Controlled Clinical Trial. Materials 2019, 12, 3041. https://doi.org/10.3390/ma12183041

AMA Style

Beretta M, Poli PP, Pieriboni S, Tansella S, Manfredini M, Cicciù M, Maiorana C. Peri-Implant Soft Tissue Conditioning by Means of Customized Healing Abutment: A Randomized Controlled Clinical Trial. Materials. 2019; 12(18):3041. https://doi.org/10.3390/ma12183041

Chicago/Turabian Style

Beretta, Mario, Pier Paolo Poli, Silvia Pieriboni, Sebastian Tansella, Mattia Manfredini, Marco Cicciù, and Carlo Maiorana. 2019. "Peri-Implant Soft Tissue Conditioning by Means of Customized Healing Abutment: A Randomized Controlled Clinical Trial" Materials 12, no. 18: 3041. https://doi.org/10.3390/ma12183041

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