Immediate versus delayed implant placement in the esthetic zone: a prospective 3D volumetric assessment of peri-implant tissue stability

Abstract Purpose To evaluate the volumetric stability of peri-implant soft and hard tissue prospectively, this study compared immediate versus delayed implants placed in the anterior esthetic region. Methods This non-randomized controlled clinical study included 25 patients, who received an immediat...

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Main Authors: Puria Parvini, Katharina Melissa Müller, Emilio A. Cafferata, Frank Schwarz, Karina Obreja
Format: Article
Language:English
Published: SpringerOpen 2022-11-01
Series:International Journal of Implant Dentistry
Subjects:
Online Access:https://doi.org/10.1186/s40729-022-00457-9
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author Puria Parvini
Katharina Melissa Müller
Emilio A. Cafferata
Frank Schwarz
Karina Obreja
author_facet Puria Parvini
Katharina Melissa Müller
Emilio A. Cafferata
Frank Schwarz
Karina Obreja
author_sort Puria Parvini
collection DOAJ
description Abstract Purpose To evaluate the volumetric stability of peri-implant soft and hard tissue prospectively, this study compared immediate versus delayed implants placed in the anterior esthetic region. Methods This non-randomized controlled clinical study included 25 patients, who received an immediate (type 1) or a delayed (type 4) implant placement for the replacement of a single anterior tooth. The anterior maxillae were intraorally scanned at three timepoints: before surgery (S0), 6 months (S1), and 12 months (S2) after surgery. A specific region of interest (ROI), divided into marginal and apical regions, was determined and superimposed for volumetric changes analysis. At 6 and 12 months, the probing depth (PD), bleeding/suppuration on probing (BOP/SUP), modified plaque index (PI), keratinized mucosa (KM) width, mucosal recession (MR), and implant stability (PTV) by means of periotest were recorded. Results Between S0–S2, tissue surrounding immediate implants was reduced in 0.37 ± 0.31 mm, whereas delayed implants gained 0.84 ± 0.57 mm mean tissue volume. Peri-implant tissue loss at type 1 implants occurred primarily in the marginal section of the ROI (0.42 ± 0.31 mm), whereas tissue gain at type 4 implants occurred mainly in the apical section (0.83 ± 0.51 mm). These values were significantly different between both groups for the entire ROI (p = 0.0452) and the marginal region (p = 0.0274). In addition, the mean buccal KM width around type 1 implants was significantly wider in comparison with the type 4 implants group after 12 months (p = 0.046). There were no significant differences between groups regarding PD, BOP/SUP, or PTV. Conclusions The results suggest that type 1 implants placed in the esthetic region experience more tissue loss than type 4 implants, thus marginal tissue remodeling should be considered for planning immediate implants placement in the anterior maxillae. Graphical Abstract
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spelling doaj.art-65a0091f65f04bd19e5923e2a903791f2022-12-22T02:55:07ZengSpringerOpenInternational Journal of Implant Dentistry2198-40342022-11-018111110.1186/s40729-022-00457-9Immediate versus delayed implant placement in the esthetic zone: a prospective 3D volumetric assessment of peri-implant tissue stabilityPuria Parvini0Katharina Melissa Müller1Emilio A. Cafferata2Frank Schwarz3Karina Obreja4Department of Oral Surgery and Implantology, Goethe University, CarolinumDepartment of Oral Surgery and Implantology, Goethe University, CarolinumDepartment of Oral Surgery and Implantology, Goethe University, CarolinumDepartment of Oral Surgery and Implantology, Goethe University, CarolinumDepartment of Oral Surgery and Implantology, Goethe University, CarolinumAbstract Purpose To evaluate the volumetric stability of peri-implant soft and hard tissue prospectively, this study compared immediate versus delayed implants placed in the anterior esthetic region. Methods This non-randomized controlled clinical study included 25 patients, who received an immediate (type 1) or a delayed (type 4) implant placement for the replacement of a single anterior tooth. The anterior maxillae were intraorally scanned at three timepoints: before surgery (S0), 6 months (S1), and 12 months (S2) after surgery. A specific region of interest (ROI), divided into marginal and apical regions, was determined and superimposed for volumetric changes analysis. At 6 and 12 months, the probing depth (PD), bleeding/suppuration on probing (BOP/SUP), modified plaque index (PI), keratinized mucosa (KM) width, mucosal recession (MR), and implant stability (PTV) by means of periotest were recorded. Results Between S0–S2, tissue surrounding immediate implants was reduced in 0.37 ± 0.31 mm, whereas delayed implants gained 0.84 ± 0.57 mm mean tissue volume. Peri-implant tissue loss at type 1 implants occurred primarily in the marginal section of the ROI (0.42 ± 0.31 mm), whereas tissue gain at type 4 implants occurred mainly in the apical section (0.83 ± 0.51 mm). These values were significantly different between both groups for the entire ROI (p = 0.0452) and the marginal region (p = 0.0274). In addition, the mean buccal KM width around type 1 implants was significantly wider in comparison with the type 4 implants group after 12 months (p = 0.046). There were no significant differences between groups regarding PD, BOP/SUP, or PTV. Conclusions The results suggest that type 1 implants placed in the esthetic region experience more tissue loss than type 4 implants, thus marginal tissue remodeling should be considered for planning immediate implants placement in the anterior maxillae. Graphical Abstracthttps://doi.org/10.1186/s40729-022-00457-9Immediate implantationDelayed implantationIntraoral scanVolumetric analysis
spellingShingle Puria Parvini
Katharina Melissa Müller
Emilio A. Cafferata
Frank Schwarz
Karina Obreja
Immediate versus delayed implant placement in the esthetic zone: a prospective 3D volumetric assessment of peri-implant tissue stability
International Journal of Implant Dentistry
Immediate implantation
Delayed implantation
Intraoral scan
Volumetric analysis
title Immediate versus delayed implant placement in the esthetic zone: a prospective 3D volumetric assessment of peri-implant tissue stability
title_full Immediate versus delayed implant placement in the esthetic zone: a prospective 3D volumetric assessment of peri-implant tissue stability
title_fullStr Immediate versus delayed implant placement in the esthetic zone: a prospective 3D volumetric assessment of peri-implant tissue stability
title_full_unstemmed Immediate versus delayed implant placement in the esthetic zone: a prospective 3D volumetric assessment of peri-implant tissue stability
title_short Immediate versus delayed implant placement in the esthetic zone: a prospective 3D volumetric assessment of peri-implant tissue stability
title_sort immediate versus delayed implant placement in the esthetic zone a prospective 3d volumetric assessment of peri implant tissue stability
topic Immediate implantation
Delayed implantation
Intraoral scan
Volumetric analysis
url https://doi.org/10.1186/s40729-022-00457-9
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