Evidence map›Paper›PMID 36000363›Full record

ArticleClinical implant dentistry and related research2022

Influence of apico-coronal positioning of tissue-level implants on marginal bone stability during supracrestal tissue height establishment: A multi-center prospective study.

Sergio Spinato, Fabio Bernardello, Teresa Lombardi, Carlo Maria Soardi, Marcello Messina, Davide Zaffe, Claudio Stacchi

Open access · hybridAbstract readMulticenter Study
PubMed Publisher
In one paragraph

Article in Clinical implant dentistry and related research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
4.9field-weighted citation impact, top 4% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

11 citing papers in PubMed, 26 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 5 institutions in 1 country.

Sergio SpinatoPrivate Practice, Sassuolo, Modena, Italy.ORCID https://orcid.org/0000-0002-9014-8732
Fabio BernardelloPrivate Practice, Terranegra di Legnago, Verona, Italy.ORCID https://orcid.org/0000-0001-6432-1549
Teresa LombardiDepartment of Health Sciences, Magna Graecia University, Catanzaro, Italy.ORCID https://orcid.org/0000-0002-0334-6029
Carlo Maria SoardiPrivate Practice, Brescia, Italy.ORCID https://orcid.org/0000-0003-4618-5541
Marcello MessinaPrivate Practice, Trieste, Italy.ORCID https://orcid.org/0000-0002-6803-0076
Davide ZaffeDepartment of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy.ORCID https://orcid.org/0000-0003-1241-385X
Claudio StacchiDepartment of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy.ORCID https://orcid.org/0000-0003-4017-4980
University of Modena and Reggio Emilia · ITMagna Graecia University · ITUniversity of Brescia · ITUniversity of Trieste · ITUniversity of Verona · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionSupracrestal tissue height establishment is a crucial factor influencing peri-implant marginal bone modifications prior to prosthesis delivery. If mucosal thickness is insufficient, peri-implant marginal bone resorption occurs to allow appropriate supracrestal tissue height formation. This study evaluates if marginal bone resorption occurring around tissue-level implants before prosthetic loading could be compensated by adapting apico-coronal positioning to mucosal thickness.

methodsPatients requiring placement of one single implant in the posterior mandible were treated with tissue-level implants with a 3-mm high transmucosal machined component and moderately rough implant body. Based upon vertical mucosal thickness measured after buccal flap reflection, implants were placed with the treated part: (group 1) 2 mm below crestal level in presence of thin mucosa (<2.5 mm); (group 2) 1 mm below the crestal level in presence of medium mucosa (2.5-3.5 mm); (group 3) at equicrestal level in presence of thick mucosa (>3.5 mm).

resultsForty-nine implants, placed in 49 patients were included in final analysis (group 1: 18 implants; group 2: 16 implants; group 3: 15 implants). Mean marginal bone resorption after 5 months of healing was 0.66 ± 0.49 mm, 0.32 ± 0.41 mm, and 0.22 ± 0.52 mm in groups 1, 2, and 3, respectively. Inter-group analysis highlighted significant differences between the three groups after ANOVA test (p = 0.025). However, adaptation of apico-coronal implant positioning in relation to mucosal thickness, allowed to avoid early exposure of the treated surface in 100%, 93.7%, and 53.3% of the implants in groups 1, 2, and 3, respectively.

conclusionDuring supracrestal tissue height formation, tissue-level implants inserted adapting apico-coronal positioning in relation to mucosal thickness exhibited greater marginal bone resorption at sites with thin mucosa than at sites with medium or thick mucosa. However, anticipating supracrestal tissue height establishment by adapting apico-coronal implant positioning in relation to mucosal thickness may effectively prevent unwanted exposure of treated implant surface.

Indexed as

Bone ResorptionDental ImplantsDental Implantation, EndosseousHumansMandibleProspective StudiesDental Implantsbone remodelingmarginal bone losssoft tissue thicknesssupracrestal tissue heighttissue-level implants

Identifiers

PMID36000363
OpenAlexW4293013304

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.