Change of working length in curved molar root canals after preparation with different rotary nickel-titanium instruments.

J Conserv Dent · 2011 · PMC3198556 · PMID 22025830

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hedged sentence

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closest p

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boldest claim

The sentences

highly significantno p-value reported

Paired t-test showed value of 16.5 and P -value < 0.001 which was highly significant.

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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.