Evidence map›Paper›PMID 32670910›Full record

ArticleJournal of International Society of Preventive & Community Dentistry

Morphological and Chemical Alterations of Root Surface after Er:YAG laser, Nd:YAG Laser Irradiation: A Scanning Electron Microscopic and Infrared Spectroscopy Study.

R Karthikeyan, Pradeep Kumar Yadalam, A J Anand, Kamalakannan Padmanabhan, G Sivaram

Open access · greenAbstract read
In one paragraph

Article in Journal of International Society of Preventive & Community Dentistry. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
0.1field-weighted citation impact, top 52% 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

4 citing papers in PubMed, 5 citations in OpenAlex.

  1. Review
  2. Efficacy of Laser Therapy for Grade C Periodontitis in Young Individuals.International journal of medical sciences · 2025
    Review
  3. Article
  4. Effect of Twinlight Laser on the Attachment of Human Gingival Fibroblasts to the Root Surface In Vitro.Medical science monitor : international medical journal of experimental and clinical research · 2022
    Article
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

5 authors at 5 institutions in 1 country.

R KarthikeyanDepatment of Dental Surgery, Govt Royapettah Hospital, Kilpauk Medical College, Chennai, TN, India.
Pradeep Kumar YadalamDepartment Of Periodontics, SRM Dental College and Hospitals, Katankulathur, Chennai, TN, India.
A J AnandDepartment of Periodontics, Tamilnadu Government Dental College and Hospital, Chennai, TN, India.
Kamalakannan PadmanabhanDepartment of Dental Surgery, Periyar Nagar Peripheral Hospital, Stanly Medical College, Chennai, TN, India.
G SivaramDepartment of Periodontics, Ragas Dental College and Hospitals, Chennai, TN, India.
Government Royapettah Hospital · INRagas Dental College & Hospital · INSRM Dental College · INTamil Nadu Dr. M.G.R. Medical University · INTamil Nadu Government Dental College and Hospital · IN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

AIMS AND

objectivesThis study aimed to evaluate the efficacy of Nd:YAG and Er:YAG lasers in removing the smear layer and to study the morphological and chemical alterations of the root surface using scanning electron microscopy (SEM) and infrared (IR) spectroscopy. MATERIAL AND

methodsFifty-five extracted upper incisor teeth were collected and 110 specimens of size 3 mm × 4 mm × 1 mm were prepared. For SEM evaluation, these samples were divided into six groups: A, B, and C. Group A comprised five samples that served as control. Groups B and C were further divided into five subgroups and each subgroup comprised five samples. All the specimens within the subgroups of B and C irradiated with 100, 200, 300, 400, and 500 mJ of Er:YAG laser and 211.66, 423.33, 635, 846.66, and 1058.33 J/cm

resultsEr:YAG laser at 100 mJ effectively removed smear layer without any crater formation. The Nd:YAG laser removed the smear layer at the energy density of 211.66 J/cm

conclusionEr:YAG laser at lower energy density effectively removed smear layer without production of toxic substance as compared with Nd:YAG laser. Thus, Er:YAG laser can be used as an effective root biomodification agent.

Indexed as

LaserND:YAG laserscanning electron microscopyYAG laser

Identifiers

PMID32670910
PMCPMC7339995
OpenAlexW3017096334

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
Read underepoch 390

Registered trials

None linked

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.