Evidence map›Paper›PMID 27127691›Full record

ArticleJournal of periodontal & implant science2016

Characteristics of the molar surface after removal of cervical enamel projections: comparison of three different rotating instruments.

Min-Jeong Ko, Chan-Myung Cho, Seong-Nyum Jeong

Abstract read
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Article in Journal of periodontal & implant science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
–field-weighted citation impact
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

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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

6 citing papers in PubMed.

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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

3 authors.

Min-Jeong KoDepartment of Periodontology, Wonkwang University Daejeon Dental Hospital, Wonkwang University School of Dentistry, Daejeon, Korea .ORCID 0000-0003-2946-5621
Chan-Myung ChoDepartment of Periodontology, Wonkwang University Daejeon Dental Hospital, Wonkwang University School of Dentistry, Daejeon, Korea .ORCID 0000-0002-8653-5844
Seong-Nyum JeongDepartment of Periodontology, Wonkwang University Daejeon Dental Hospital, Wonkwang University School of Dentistry, Daejeon, Korea .ORCID 0000-0003-4890-989X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe aim of this study was to evaluate and compare tooth surface characteristics in extracted human molars after cervical enamel projections (CEPs) were removed with the use of three rotating instruments.

methodsWe classified 60 extracted molars due to periodontal lesion with CEPs into grade I, II, or III, according to the Masters and Hoskins' criteria. Each group contained 20 specimens. Three rotating instruments were used to remove the CEPs: a piezoelectric ultrasonic scaler, a periodontal bur, and a diamond bur. Tooth surface characteristics before and after removal of the projections were then evaluated with scanning electron microscopy (SEM). We analyzed the characteristics of the tooth surfaces with respect to roughness and whether the enamel projections had been completely removed.

resultsIn SEM images, surfaces treated with the diamond bur were smoothest, but this instrument caused considerable harm to tooth structures near the CEPs. The piezoelectric ultrasonic scaler group produced the roughest surface but caused less harm to the tooth structure near the furcation. In general, the surfaces treated with the periodontal bur were smoother than those treated with the ultrasonic scaler, and the periodontal bur did not invade adjacent tooth structures.

conclusionsFor removal of grade II CEPs, the most effective instrument was the diamond bur. However, in removing grade III projections, the diamond bur can destroy both adjacent tooth structures and the periodontal apparatus. In such cases, careful use of the periodontal bur may be an appropriate substitute.

Indexed as

Dental enamelElectron microscopic topographyFurcation defectsRoot planing

Identifiers

PMID27127691
PMCPMC4848378

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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.