Effect of dental tissue thickness on the measurement of oxygen saturation by two different pulse oximeters.

Braz Dent J · 2022 · PMC9645166 · PMID 36287496

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showed a trendno p-value reported

In other words, the SpO 2 measurement levels showed a trend towards diminishing with the increase of tooth structure thickness.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.