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399456 occurrences (No.44 in the rank) during 5 years in the PubMed. [no cache] 500 found

25) The mean bond strength in the Er:YAG laser pretreatment group was significantly lower compared to the FRC Postec posts control group (p < 0.001), while there was no significant difference between the Radix Fiber posts groups (p = 0.680).

--- ABSTRACT ---

PMID:23929564 DOI:10.1007/s10103-013-1412-4

2015 Lasers in medical science

* Effect of Er:YAG laser pretreatment on bond strength of a composite core build-up material to fiber posts.

- The study evaluated the micro push-out bond strength of resin material (Multicore Flow) to two types of fiber posts (FP), namely fiber-reinforced composite (FRC) Postec and Radix Fiber posts using Er:YAG laser pretreatment. FP were divided into four groups, two being control groups. Before the core build-up procedure, representative specimens from each group were chosen to determine the surface roughness (Ra) at three different areas using a contact profilometer, while after the procedure, 1.5-mm-thick discs were sectioned and the micro push-out method was used to assess the bond strength of the core build-up material to the fiber post in each group. Two-way analysis of variance was used for statistical analysis with the level of significance set at p < 0.05. Scanning electron microscopy was used to analyze the post surfaces after Er:YAG laser pretreatment and to classify the failure mode after loading. The type of pretreatment (p < 0.001) and an interaction between the pretreatment and type of post (p < 0.001) had a significant effect on the bond strength, while the type of post did not (p = 0.965). The mean bond strength in the Er:YAG laser pretreatment group was significantly lower compared to the FRC Postec posts control group (p < 0.001), while there was no significant difference between the Radix Fiber posts groups (p = 0.680). Mean Ra values from the Er:YAG laser pretreatment groups were significantly higher compared to control groups (p < 0.001). Er:YAG laser pretreatment at tested parameters negatively affected the bond strength of Multicore to FP and cannot be recommended as a standard procedure.

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(1)96 group	(11)5 measures	(21)3 region,	(31)2 eyes
(2)34 and	(12)5 participants	(22)3 system	(32)2 levels
(3)29 null	(13)4 (P	(23)3 was	(33)2 mice
(4)29 region	(14)4 in	(24)3 with	(34)2 milk-LNS,
(5)24 of	(15)4 is	(25)2 NP	(35)2 practices
(6)21 groups	(16)4 over	(26)2 activities	(36)2 strategies
(7)17 group,	(17)4 regions	(27)2 but	(37)2 were
(8)9 the	(18)4 subjects	(28)2 donkeys
(9)7 group)	(19)3 a	(29)2 donkeys,
(10)7 study	(20)3 or	(30)2 during

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--- WordNet output for control --- =>1.管理する, 制御する, 統制する, 抑える, 2.コントロール, 実験対象, 管理, 対照標準 Overview of noun control The noun control has 11 senses (first 9 from tagged texts) 1. (19) control -- (power to direct or determine; "under control") 2. (16) control -- (a relation of constraint of one entity (thing or person or group) by another; "measures for the control of disease"; "they instituted controls over drinking on campus") 3. (7) control -- ((physiology) regulation or maintenance of a function or action or reflex etc; "the timing and control of his movements were unimpaired"; "he had lost control of his sphincters") 4. (5) control condition, control -- (a standard against which other conditions can be compared in a scientific experiment; "the control condition was inappropriate for the conclusions he wished to draw") 5. (5) control -- (the activity of managing or exerting control over something; "the control of the mob by the police was admirable") 6. (4) dominance, ascendance, ascendence, ascendancy, ascendency, control -- (the state that exists when one person or group has power over another; "her apparent dominance of her husband was really her attempt to make him pay attention to her") 7. (3) restraint, control -- (discipline in personal and social activities; "he was a model of polite restraint"; "she never lost control of herself") 8. (2) command, control, mastery -- (great skillfulness and knowledge of some subject or activity; "a good command of French") 9. (1) control, controller -- (a mechanism that controls the operation of a machine; "the speed controller on his turntable was not working properly"; "I turned the controls over to her") 10. control -- (a spiritual agency that is assumed to assist the medium during a seance) 11. control -- (the economic policy of controlling or limiting or curbing prices or wages etc.; "they wanted to repeal all the legislation that imposed economic controls") Overview of verb control The verb control has 8 senses (first 4 from tagged texts) 1. (28) control, command -- (exercise authoritative control or power over; "control the budget"; "Command the military forces") 2. (20) control, hold in, hold, contain, check, curb, moderate -- (lessen the intensity of; temper; hold in restraint; hold or keep within limits; "moderate your alcohol intake"; "hold your tongue"; "hold your temper"; "control your anger") 3. (7) operate, control -- (handle and cause to function; "do not operate machinery after imbibing alcohol"; "control the lever") 4. (1) manipulate, keep in line, control -- (control (others or oneself) or influence skillfully, usually to one's advantage; "She manipulates her boss"; "She is a very controlling mother and doesn't let her children grow up"; "The teacher knew how to keep the class in line"; "she keeps in line") 5. control, verify -- (check or regulate (a scientific experiment) by conducting a parallel experiment or comparing with another standard; "Are you controlling for the temperature?") 6. control -- (verify by using a duplicate register for comparison; "control an account") 7. see, check, insure, see to it, ensure, control, ascertain, assure -- (be careful or certain to do something; make certain of something; "He verified that the valves were closed"; "See that the curtains are closed"; "control the quality of the product") 8. master, control -- (have a firm understanding or knowledge of; be on top of; "Do you control these data?") --- WordNet end ---