ELIZA

return kwic search for research out of >500 occurrences
280501 occurrences (No.89 in the rank) during 5 years in the PubMed. [no cache] 500 found

379) This study performed a secondary data analysis based on the National Health Insurance Research Database.

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PMID:22743854 DOI:10.1177/1010539512448814

2015 Asia-Pacific journal of public health

* Reasons for permanent tooth extractions in Taiwan.

- There has been no study in Taiwan on reasons for extraction of permanent teeth. This study aimed to determine the reasons for permanent teeth extraction in Taiwan. This study performed a secondary data analysis based on the National Health Insurance Research Database. The 2009 database was adopted and there are 131 104 records of dental visits in the database; among them, 4958 visits (from 4811 patients) have a coding of extraction. The results showed that dental caries (55.3%) was the main reason for tooth extraction, followed by periodontal disease (22.1%). Extraction because of dental caries was commonly observed in all age-groups, and extractions because of periodontal disease increased in those older than 35 years. Maxillary and mandibular third molar were the most frequently removed tooth types, and most were extracted because of dental caries and impaction respectively.

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(1)42 null	(14)7 that	(27)3 as	(40)2 from
(2)40 on	(15)6 by	(28)3 directions	(41)2 involving
(3)36 is	(16)6 to	(29)3 evidence	(42)2 participants,
(4)27 and	(17)5 projects	(30)3 have	(43)2 progress
(5)25 has	(18)4 culture	(31)3 method	(44)2 sponsored
(6)14 in	(19)4 design	(32)3 results	(45)2 the
(7)12 was	(20)4 findings	(33)3 shows	(46)2 topic
(8)11 are	(21)4 needs	(34)3 study	(47)2 towards
(9)11 should	(22)4 project	(35)3 will	(48)2 trends
(10)9 into	(23)4 questions	(36)2 efforts	(49)2 using
(11)9 with	(24)4 regarding	(37)2 examined	(50)2 we
(12)8 studies	(25)3 &	(38)2 focus	(51)2 work
(13)8 suggests	(26)3 aimed	(39)2 for

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--- WordNet output for research --- =>調査する, 研究(する), 探求, 調査, 捜索, 研究する Overview of noun research The noun research has 2 senses (first 2 from tagged texts) 1. (46) research -- (systematic investigation to establish facts) 2. (6) inquiry, enquiry, research -- (a search for knowledge; "their pottery deserves more research than it has received") Overview of verb research The verb research has 2 senses (first 1 from tagged texts) 1. (1) research -- (attempt to find out in a systematically and scientific manner; "The student researched the history of that word") 2. research, search, explore -- (inquire into; "the students had to research the history of the Second World War for their history project"; "He searched for information on his relatives on the web"; "Scientists are exploring the nature of consciousness") --- WordNet end ---