Evidence map›Paper›PMID 19215975›Full record

ArticleDental materials : official publication of the Academy of Dental Materials2009

In vitro remineralization of enamel by polymeric amorphous calcium phosphate composite: quantitative microradiographic study.

S E Langhorst, J N R O'Donnell, D Skrtic

Open access · greenAbstract readComparative Study
In one paragraph

Article in Dental materials : official publication of the Academy of Dental Materials, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 93 papers.

0numbers the graph read from it
0cells of the map it votes in
93citing papers in PubMed
9.2field-weighted citation impact, top 1% 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

93 citing papers in PubMed, 243 citations in OpenAlex.

  1. Trial
  2. Novel calcium phosphate nanocomposite with caries-inhibition in a human in situ model.Dental materials : official publication of the Academy of Dental Materials · 2013
    Trial
  3. Effect of amorphous calcium phosphate and silver nanocomposites on dental plaque microcosm biofilms.Journal of biomedical materials research. Part B, Applied biomaterials · 2012
    Trial
  4. Enamel Remineralizing Agents: State of the Art.Materials (Basel, Switzerland) · 2026
    Review
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  17. The Effect of a Bioactive Oral System and CODiagnostics (Basel, Switzerland) · 2023
    Article
  18. Article
  19. Article
  20. Article

33 more citing papers are in PubMed but not listed here.

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 at 1 institution in 1 country.

S E LanghorstPaffenbarger Research Center, American Dental Association Foundation, National Institute of Standards and Technology, 100 Bureau Drive Stop 8546, Gaithersburg, MD 20899-8546, USA.
J N R O'Donnell
D Skrtic
National Institute of Standards and Technology · US

Funding

AMORPHOUS CALCIUM PHOSPHATE BASED DENTAL MATERIALSR01DE013169 · NIDCR · AMERICAN DENTAL ASSOCIATION FOUNDATION · PI SKRTIC, DRAGO · 2000 to 2011
$3.2M
NIDCR NIH HHS DE13169NIDCR NIH HHS R01 DE013169
6 · The paper itself

Abstract

objectiveThis study explores the efficacy of an experimental orthodontic amorphous calcium phosphate (ACP) composite to remineralize in vitro subsurface enamel lesions microradiographically similar to those seen in early caries.

methodsLesions were artificially created in extracted human molars. Single tooth sections a minimum of 120microm thick were cut and individually placed in holders exposing only the carious enamel surface. The exposed surfaces were either left untreated (control) or coated with a 1mm thick layer of the experimental ACP composite (mass fraction 40% zirconia-hybridized ACP and 60% photo-activated resin), or a commercial fluoride-releasing orthodontic cement. The composite-coated sections were then photo-cured and microradiographic images were taken of all three groups of specimens before the treatment. Specimens were then cyclically immersed in demineralizing and remineralizing solutions for 1 month at 37 degrees C to simulate the pH changes occurring in the oral environment. Microradiographs of all specimens were taken before and after treatment.

resultsQuantitative digital image analysis of matched areas from the contact microradiographs taken before and after treatment indicated higher mineral recovery with ACP composites compared to the commercial orthodontic F-releasing cement (14.4% vs. 4.3%, respectively), while the control specimens showed an average of 55.4% further demineralization. SIGNIFICANCE: Experimental ACP composite efficiently established mineral ion transfer throughout the body of the lesions and restored the mineral lost due to acid attack. It can be considered a useful adjuvant for the control of caries in orthodontic applications.

Indexed as

CalciumCalcium PhosphatesCariostatic AgentsDental CariesDental EnamelFluoridesHumansHydrogen-Ion ConcentrationImage Processing, Computer-AssistedMaterials TestingMethacrylatesMicroradiographyMicroscopy, Electron, ScanningMineralsPhosphatesPhthalic Acidsamorphous calcium phosphateCalciumCalcium PhosphatesCariostatic Agentsethoxylated bis-phenol A dimethacrylateFluorideshydroxyethyl methacrylateMethacrylatesMineralsPhosphatesphthalic acidPhthalic AcidsPolyethylene GlycolsPolymethacrylic AcidsResin Cementstriethylene glycol dimethacrylateZirconiumzirconium oxide

Identifiers

PMID19215975
PMCPMC2745073
OpenAlexW2150884250

What OpenQuestion holds

Textmetadata
LicenceTDM
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.