Peri-implant soft tissue conditioning by means of customized healing abutment: A randomized controlled clinical trial

Mario Beretta, Pier Paolo Poli, Silvia Pieriboni, Sebastian Tansella, Mattia Manfredini, Marco Cicciù, Carlo Maiorana

Research output: Contribution to journalArticle

Abstract

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.

Original languageEnglish
Article number3041
JournalMaterials
Volume12
Issue number18
DOIs
Publication statusPublished - Sep 1 2019

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Keywords

  • CAD/CAM
  • Custom healing abutment
  • Dental implant
  • Emergence profile
  • Soft tissue

ASJC Scopus subject areas

  • Materials Science(all)

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