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278) Also, statistically significant differences were observed between EDTA with 40 s laser agitation and EDTA, and EDTA with 10 and 20 s laser agitations.
* Effect of agitation of EDTA with 808-nm diode laser on dentin microhardness.
- The aim of this study is to analyze the effect of agitation of ethylenediaminetetraacetic acid (EDTA) with diode laser at different agitation times on root dentin microhardness. Eighty-four specimens were divided randomly into seven groups, as follows: (1) distilled water, (2) 17% EDTA, (3) EDTA with 60 s ultrasonic agitation, (4) EDTA with 10 s laser agitation, (5) EDTA with 20 s laser agitation, (6) EDTA with 30 s laser agitation, and (7) EDTA with 40 s laser agitation. All of the specimens were irrigated with 5% NaOCl and distilled water except the distilled water group. Microhardness values were calculated before and after the procedures. Statistical analyses were performed using one-way ANOVA and Tukey post hoc tests. Statistically significant differences were determined between the distilled water and other groups. Also, statistically significant differences were observed between EDTA with 40 s laser agitation and EDTA, and EDTA with 10 and 20 s laser agitations. Ultrasonic agitation of EDTA affected microhardness of root dentin similar to EDTA (p > .05). All applications decreased the microhardness of root dentin when compared with distilled water. Agitation of EDTA with diode laser for 40 s caused more reduction in microhardness of root dentin when compared with EDTA.
Overview of verb observe
The verb observe has 9 senses (first 8 from tagged texts)
1. (39) detect, observe, find, discover, notice -- (discover or determine the existence, presence,
or fact of; "She detected high levels of lead in her drinking water"; "We found traces of lead in
the paint")
2. (17) note, observe, mention, remark -- (make mention of; "She observed that his presentation took
up too much time"; "They noted that it was a fine day to go sailing")
3. (12) note, take note, observe -- (observe with care or pay close attention to; "Take note of this
chemical reaction")
4. (10) observe -- (watch attentively; "Please observe the reaction of these two chemicals")
5. (4) respect, honor, honour, abide by, observe -- (show respect towards; "honor your parents!")
6. (3) observe, celebrate, keep -- (behave as expected during of holidays or rites; "Keep the
commandments"; "celebrate Christmas"; "Observe Yom Kippur")
7. (2) watch, observe, follow, watch over, keep an eye on -- (follow with the eyes or the mind;
"Keep an eye on the baby, please!"; "The world is watching Sarajevo"; "She followed the men with the
binoculars")
8. (1) observe, keep, maintain -- (stick to correctly or closely; "The pianist kept time with the
metronome"; "keep count"; "I cannot keep track of all my employees")
9. observe, keep -- (conform one's action or practice to; "keep appointments"; "she never keeps her
promises"; "We kept to the original conditions of the contract")
Overview of adj observed
The adj observed has 1 sense (first 1 from tagged texts)
1. (7) ascertained, discovered, observed -- (discovered or determined by scientific observation;
"variation in the ascertained flux depends on a number of factors"; "the discovered behavior norms";
"discovered differences in achievement"; "no explanation for the observed phenomena")
--- WordNet end ---