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Record W2298201231 · doi:10.1016/s0000-0000(08)53483-8

10.1016/s0000-0000(08)53483-8

2000· article· en· W2298201231 on OpenAlexvenueno aff

Bibliographic record

VenueTime to knit · 2000
Typearticle
Languageen
FieldMedicine
TopicLaser Applications in Dentistry and Medicine
Canadian institutionsnot available
Fundersnot available
KeywordsPhysicsChemistryHumanitiesArtMolecular biologyBiology

Abstract

fetched live from OpenAlex

Resume La capacite du laser Er:YAG (λ = 2 940 nm) a eliminer les tissus caries et a preparer des cavites pour restauration adhesive a largement ete demontree dans la litterature. Les appareils commercialises permettent de preparer ces cavites en un temps tout a fait compatible avec un exercice clinique. Tous sont munis d’un systeme interne de refroidissement base sur la pulverisation d’un melange d’air et d’eau au point d’impact du rayonnement laser. Celui-ci permet de maintenir l’elevation de temperature intrapulpaire bien en deca du seuil biologiquement acceptable de 5 °C. Differentes etudes histologiques ont montre que la reponse pulpaire a l’irradiation par laser Er:YAG des tissus dentaires est minime, localisee et reversible, comparable a celle creee par un fraisage a grande vitesse dans les memes conditions de refroidissement. Lors de l’usage du laser Er:YAG, les observations microscopiques ont montre l’absence de boue dentinaire et de debris, ainsi que la presence de nombreux reliefs microscopiques lies a une elimination plus importante de la dentine intertubulaire. La possibilite d’un collage directement sur cette surface sans pretraitement acide a ete evoquee dans la litterature. Dans une publication recente, les auteurs ont montre que le traitement acide permet d’observer des caracteristiques microscopiques en tous points comparables sur les interfaces dentine/composite a celles observees lors de preparations realisees a la fraise. Les valeurs d’adherence de la resine composite a la dentine ne sont pas superieures a celles obtenues sans application d’acide, mais sont equivalentes a celles mesurees lors d’un collage conventionnel. Les restaurations en composite, mises en place dans les cavites preparees avec le laser Er:YAG puis traitees a l’acide orthophosphorique, se sont revelees etre moins sensibles a l’infiltration de colorant. Les premieres applications cliniques concernant la preparation des cavites au laser Er:YAG n’ont pas montre d’effets secondaires dommageables. L’absence de douleurs, ainsi que la suppression du bruit et des vibrations lies aux instruments rotatifs, peuvent meme etre considerees comme avantageuses par rapport aux preparations mecaniques plus conventionnelles.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.002
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesInsufficient payload (model declined to judge)
Consensus categoriesInsufficient payload (model declined to judge)
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Other · Consensus signal: Other
Teacher disagreement score0.023
Threshold uncertainty score0.032

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.002
Meta-epidemiology (narrow)0.0020.001
Meta-epidemiology (broad)0.0010.002
Bibliometrics0.0020.002
Science and technology studies0.0010.001
Scholarly communication0.0050.004
Open science0.0030.003
Research integrity0.0060.002
Insufficient payload (model declined to judge)0.9770.977

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.006
GPT teacher head0.215
Teacher spread0.208 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; the direct Gemma label and the distilled Codex classifier agree on what is shown here.

Study designNot applicable
Domainnot available
GenreOther

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2000
Admission routes1
Has abstractyes

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