Evaluation of the clinical and aesthetic outcomes of Straumann<sup>®</sup> Standard Plus implants supported single crowns placed in non‐augmented healed sites in the anterior maxilla: a 5–8 years retrospective study

Zhao, Xu; Qiao, Shuqing; Shi, Junyu; Uemura, Naoya; Arai, Kohei

doi:10.1111/clr.12540

Cited by 16 publications

(17 citation statements)

References 27 publications

(82 reference statements)

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“…It is believed that biologic width around one-piece tissue-level implants was more similar to natural teeth than that around two-piece bone-level implants [ 21 , 22 ]. In addition, tissue-level implants with a smooth implant neck (1.8mm or 2.8mm)can make the cement margin more coronal.…”

Section: Discussionmentioning

confidence: 99%

Peri-implant conditions and marginal bone loss around cemented and screw-retained single implant crowns in posterior regions: A retrospective cohort study with up to 4 years follow-up

et al. 2018

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The aim of the present study was to identify the peri-implant conditions (bleeding on probing (BOP), pocket probing depth (PPD), modified plaque index (mPI)) and marginal bone loss (MBL, marginal bone level change between follow-up and occlusal loading) around cemented and screw-retained posterior single crowns on tissue-level implants. The study was a retrospective cohort study with up to 4 years (mean 2.5 years) follow-up. Patients with either cemented or screw-retained crowns in posterior regions were included. Implant survival, technical complications, BOP, PPD, mPI, MBL, biologic complications (peri-implant mocositis and peri-implantitis) were evaluated. Mann-Whitney U test was used to test the difference between the screw-retained group (SG) and cemented group (CG). 176 patients (SG: 94, CG: 82) were included. The implant survival rates were 100% in SG and 98.8% in CG. Prosthetic screw loosening was found in 8 restorations (8.7%) at follow-up visit. Peri-implant mucositis rate was significantly higher in the SG group (42.1%) than that in the CG group (32.2%) (P = 0.04). Six patients (6.38%) in the screw-retained group and 5 patients (6.10%) in the cemented group were diagnosed with peri-implantitis, the difference did not reach statistical significance (P>0.05). No significant difference of PPD, mPI and MBL were found between two groups (P = 0.11, 0.13 and 0.08, respectively). High implant survival rates were achieved in both groups. Cemented single crowns on tissue-level implants showed comparable peri-implant conditions in comparison with two-piece screw-retained crowns. Well-designed prospective cohort or randomized controlled clinical trials with longer follow-up are needed to confirm the result.

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Section: Discussionmentioning

confidence: 99%

Peri-implant conditions and marginal bone loss around cemented and screw-retained single implant crowns in posterior regions: A retrospective cohort study with up to 4 years follow-up

et al. 2018

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“…Among these, the pink aesthetic/white aesthetic score (PES/WES) index (Belser et al 2009) has obtained considerable success: its suitability for the objective outcome assessment of the aesthetic dimension of anterior single-tooth implants has been confirmed (Cho et al 2010) and it has been used in several studies (Mangano et al 2012(Mangano et al , 2014aBuser et al 2013;Cosyn et al 2013;Paul & Held 2013;Raes et al 2013;Santing et al 2013;Zhao et al 2016;Huynh-Ba et al 2016). The PES/WES focuses on the soft tissue aspects of an anterior implant restoration and also on the visible part of the implant restoration (Belser et al 2009).…”

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confidence: 99%

Aesthetic outcome of immediately restored single implants placed in extraction sockets and healed sites of the anterior maxilla: a retrospective study on 103 patients with 3 years of follow‐up

Mangano¹,

Mastrangelo²,

Luongo³

et al. 2016

Clinical Oral Implants Res

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“…The stability of peri-implant hard and soft tissues is crucial for the long-term functional and aesthetic success of implants and implantsupported restorations [1]. This stability is significantly influenced by a stable connection at the implant/abutment interface and the shape of the abutment [2].…”

Section: Introductionmentioning

confidence: 99%

Scanning Electron Microscope Analysis of Cad/Cam Titanium Implant Abutments Versus Gold-Cast Ucla Abutments

Ketabi¹,

Ketabi²,

Helmstadter³

et al. 2018

Dentistry

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sulcus [18,19], allowing penetration by acids, enzymes, bacteria and their metabolic products, which can cause inflammation, bleeding and swelling at the margin [20]. Moreover, the inflammation can induce peri-implant bone resorption [20-23]. Conical implant/abutment connections exhibit lower microgaps and less marginal bone resorption than non-conical ones [20]. However, gap formation is not limited to between the implant and the abutment. Retention surfaces for microorganisms are also conceivable on the abutment itself, especially with a two-part abutment. Mehl et al. in an animal study on four mini-pigs compared custom titanium one-piece abutments with two-piece abutments with copings made titanium, zirconia or lithium disilicate, each attached to its titanium base (Conelog titanium base, Camlog Biotechnologies, Basel, Switzerland) with a plastic adhesive (Multilink Hybrid Abutment; Ivoclar Vivadent, Schaan. Liechtenstein). No influence of the abutments on peri-implant soft tissue anatomy or bone loss was determined, except for a longer junctional epithelium with one-piece titanium abutments compared to two-piece zirconia abutments [24]. However, the observation period was limited to 6 months after implant reentry [24], which meant that potential late effects of the two-part abutments could not be taken into account.

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Evaluation of the clinical and aesthetic outcomes of Straumann^® Standard Plus implants supported single crowns placed in non‐augmented healed sites in the anterior maxilla: a 5–8 years retrospective study

Abstract: The possibility of spontaneous papillae regeneration after implant treatment and the long-term stability of the regenerated papillae were confirmed. However, recession of the facial soft tissue has been found. The incidence of the recession at thin biotype sites tended to be higher.

Cited by 16 publications

References 27 publications

Peri-implant conditions and marginal bone loss around cemented and screw-retained single implant crowns in posterior regions: A retrospective cohort study with up to 4 years follow-up

Peri-implant conditions and marginal bone loss around cemented and screw-retained single implant crowns in posterior regions: A retrospective cohort study with up to 4 years follow-up

Aesthetic outcome of immediately restored single implants placed in extraction sockets and healed sites of the anterior maxilla: a retrospective study on 103 patients with 3 years of follow‐up

Scanning Electron Microscope Analysis of Cad/Cam Titanium Implant Abutments Versus Gold-Cast Ucla Abutments

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Evaluation of the clinical and aesthetic outcomes of Straumann® Standard Plus implants supported single crowns placed in non‐augmented healed sites in the anterior maxilla: a 5–8 years retrospective study

Abstract: The possibility of spontaneous papillae regeneration after implant treatment and the long-term stability of the regenerated papillae were confirmed. However, recession of the facial soft tissue has been found. The incidence of the recession at thin biotype sites tended to be higher.

Cited by 16 publications

References 27 publications

Peri-implant conditions and marginal bone loss around cemented and screw-retained single implant crowns in posterior regions: A retrospective cohort study with up to 4 years follow-up

Peri-implant conditions and marginal bone loss around cemented and screw-retained single implant crowns in posterior regions: A retrospective cohort study with up to 4 years follow-up

Aesthetic outcome of immediately restored single implants placed in extraction sockets and healed sites of the anterior maxilla: a retrospective study on 103 patients with 3 years of follow‐up

Scanning Electron Microscope Analysis of Cad/Cam Titanium Implant Abutments Versus Gold-Cast Ucla Abutments

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Evaluation of the clinical and aesthetic outcomes of Straumann^® Standard Plus implants supported single crowns placed in non‐augmented healed sites in the anterior maxilla: a 5–8 years retrospective study