ELIZA

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437431 occurrences (No.38 in the rank) during 5 years in the PubMed. [no cache] 500 found

29) As the cortical bone thickness increased, the time needed to drill through the bone increased.

--- ABSTRACT ---

PMID:23793415 DOI:10.1007/s10103-013-1374-6

2015 Lasers in medical science

* A report on the use of Er:YAG laser for pilot hole drilling prior to miniscrew insertion.

- The aim of the present in vitro study was to investigate the required time period of the Er:YAG laser that is used for drilling through cortical bone when pilot hole drilling is needed before miniscrew insertion. Even though Er:YAG laser is used in various in vivo and in vitro studies, there is no accepted procedure of laser for depth control during drilling through cortical bone. The study sample consisted of 120 cortical bone segments having 1.5 and 2.0 mm of cortical bone thickness. An Er:YAG laser, with a spot size of 1.3 mm and an air-water spray of 40-50 ml/min, was used. The laser was held 2 mm away from and perpendicular to the bone surface with different laser settings. Twelve specimens were prepared for each subgroup. As the cortical bone thickness increased, the time needed to drill through the bone increased. Frequency increase directly caused a decrease in irradiation duration. When three different frequency, three different energy, and four different power values were tested for both the 1.5- and 2-mm cortical bone thicknesses, the shortest duration needed to drill through cortical bone was seen in the 3.6-W (300 mJ-12 Hz) setting. When pilot holes are drilled prior to miniscrew placement in 1.5 to 2 mm of cortical bone using Er:YAG laser, the most appropriate value is found with the 3.6-W (300 mJ-12 Hz) setting.

--- ABSTRACT END ---

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(1)113 the	(12)3 biological	(23)2 direct	(34)2 low
(2)51 a	(13)3 both	(24)2 evidence	(35)2 maternal
(3)11 an	(14)3 cortical	(25)2 focus	(36)2 paracrine
(4)10 which	(15)3 histological	(26)2 four	(37)2 promoting
(5)5 their	(16)3 infancy	(27)2 human	(38)2 rat
(6)4 activation	(17)3 interaction	(28)2 information,	(39)2 reward
(7)4 its	(18)3 simulation	(29)2 inhibition	(40)2 skin
(8)4 median	(19)2 2012	(30)2 interactions	(41)2 such
(9)4 three	(20)2 August	(31)2 international	(42)2 these
(10)4 use	(21)2 PCR-based	(32)2 intersection
(11)3 analysis	(22)2 different	(33)2 interviews

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--- WordNet output for through --- =>直通の, のために, の間じゅう, 終わって, を貫いて, の中を通って, のいたるところに, を通じて Overview of adj through The adj through has 2 senses (first 1 from tagged texts) 1. (4) done, through, through with -- (having finished or arrived at completion; "certain to make history before he's done"; "it's a done deed"; "after the treatment, the patient is through except for follow-up"; "almost through with his studies") 2. through -- ((of a route or journey etc.) continuing without requiring stops or changes; "a through street"; "a through bus"; "through traffic") Overview of adv through The adv through has 5 senses (first 3 from tagged texts) 1. (5) through -- (from beginning to end; "read this book through") 2. (2) through -- (over the whole distance; "this bus goes through to New York") 3. (1) through -- (to completion; "think this through very carefully!") 4. through -- (in diameter; "this cylinder measures 15 inches through") 5. through, through and through -- (throughout the entire extent; "got soaked through in the rain"; "I'm frozen through"; "a letter shot through with the writer's personality"; "knew him through and through"; "boards rotten through and through") --- WordNet end ---