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return kwic search for there out of >500 occurrences
271290 occurrences (No.96 in the rank) during 5 years in the PubMed. [no cache] 500 found

465) There has been no study in Taiwan on reasons for extraction of permanent teeth.

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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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[frequency of next (right) word to there]

(1)138 was	(4)83 are	(7)4 null	(10)2 appears
(2)132 is	(5)20 have	(8)3 exists	(11)2 exist
(3)86 were	(6)18 has	(9)3 may

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--- WordNet output for there --- =>1.その場所で, そこに(で), そこへ, 2.〜がある, その場所で Overview of noun there The noun there has 1 sense (no senses from tagged texts) 1. there -- (a location other than here; that place; "you can take it from there") Overview of adv there The adv there has 3 senses (first 3 from tagged texts) 1. (181) there, at that place, in that location -- (in or at that place; "they have lived there for years"; "it's not there"; "that man there") 2. (6) there, in that respect, on that point -- (in that matter; "I agree with you there") 3. (2) there, thither -- (to or toward that place; away from the speaker; "go there around noon!") --- WordNet end ---