WordNet

set into opposition or rivalry; "let them match their best athletes against ours"; "pit a chess player against the Russian champion"; "He plays his two children off against each other" (同)oppose, match, play off
a concavity in a surface (especially an anatomical depression) (同)fossa
remove the pits from; "pit plums and cherries" (同)stone
a trap in the form of a concealed hole (同)pitfall
a surface excavation for extracting stone or slate; "a British term for `quarry is `stone pit" (同)quarry, stone pit
(auto racing) an area at the side of a racetrack where the race cars are serviced and refueled
(commodity exchange) the part of the floor of a commodity exchange where trading in a particular commodity is carried on
an enclosure in which animals are made to fight
a sizeable hole (usually in the ground); "they dug a pit to bury the body" (同)cavity
the ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...
the 16th letter of the Greek alphabet
a kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface) (同)sealer
break into fissures or fine cracks
(anatomy) a long narrow slit or groove that divides an organ into lobes

PrepTutorEJDIC

(自然の,または掘った)『地面の穴』,『くぼみ』 / 《しばしば単数形で》《the pit》立て坑,採掘場 / 落とし穴 / 《単数形で》《the pit》《英》(劇場の)平土間(1階正面後部の安い料金の席全体を指す);平土間の観客;《米》(舞台手前の1段低くなった)オーケストラ席 / (身体や物の表面の自然にできた)くぼみ / 《しばしば複数形で》(傷・天然痘などでできた皮膚の)小さなくぼんだ跡,あばた / (動物を入れておく)囲い;闘鶏場(cockpit),闘犬場 / 《the ~》地獄(hell) / ピット / 自動車修理店などで,車体の下で作業するために床に設けたくぼみ / 《the pits》自動車レースで給油・タイヤ交換などの場所 / …‘に'点々と穴をあける;…‘を'あばたにする / (…と)…‘を'取り組ませる,対坑させる《+『名』+『against』+『名』》
(サクランボ・モモなどの)核,種(stone) / 〈果物〉‘から'種を取り除く
《語・句・節を対等に結んで》…『と』…,…や…,および / 《数詞を結合して》…『足す』…,…に加えて / …『しかも』…,…して,同時に… / 《時間的に》『そして』,それから,すると(and then) / 《当然の帰結として》…『ので』,…だから(and so) / 《おもに話》《命令文などの後で》『そうすれば』,そうしたら / 《追加・強調して》それに,しかも / 《対照的な内容を導いて》ところが,しかし(but) / 《譲歩的に》それなのに,それでいながら / 《A and Bで一体の関係を表して》《単数扱い》 / 《同一語を反復して多数・継続などを表して》 / 《同一の複数名詞を結合して変化・種類などを表して》 / 《話》《「形容詞+and+形容詞」の形で前の形容詞が後に副詞的に働く》 / 《話》《「動詞come, goなど+and+動詞」の形でandとその後の動詞が不定詞の働きをして》 / 《「動詞+and+動詞」の形で後の動詞が現在分詞の意を表して》 / 《話》《文頭において前の質問・意見などに同意を示して》そうとも,そして(Yes!and) / 《話》《文頭に置いて驚き・疑念・非難などを表して》ほんとうに;…なのに
〈C〉パイ(ギリシア語アルファベットの第16字Π,π;英語のP,pに相当) / 〈U〉円周率(記号はπ)
ごちゃまぜの活字 / ごちゃまぜ,混乱
密封剤(封ろう・接着剤など)
(細長い)裂け目,亀裂(きれつ)(crack)

UpToDate Contents

全文を閲覧するには購読必要です。 To read the full text you will need to subscribe.

1. 爪疾患の概要 overview of nail disorders
2. 乾癬性関節炎の臨床症状および診断 clinical manifestations and diagnosis of psoriatic arthritis
3. 視神経の先天性および後天性異常 congenital anomalies and acquired abnormalities of the optic nerve
4. 耳の先天異常 congenital anomalies of the ear
5. 下垂体機能低下症の原因 causes of hypopituitarism

English Journal

Dentists' levels of evidence-based clinical knowledge and attitudes about using pit-and-fissure sealants.

Govindaiah S1, Bhoopathi V2.
Journal of the American Dental Association (1939).J Am Dent Assoc.2014 Aug;145(8):849-55. doi: 10.14219/jada.2014.51.
BACKGROUND: Although the prevalence of pit-and-fissure sealants in children in the United States is low, the problem is magnified in low-income children. A small proportion of Florida's low-income children receive any preventive dental services, including sealants. The authors conducted a cross-sect
PMID 25082934

Assessment of early occlusal caries pre- and post- sealant application-An imaging approach.

Holtzman JS1, Ballantine J, Fontana M, Wang A, Calantog A, Benavides E, Gonzalez-Cabezas C, Chen Z, Wilder-Smith P.
Lasers in surgery and medicine.Lasers Surg Med.2014 Aug;46(6):499-507. doi: 10.1002/lsm.22249. Epub 2014 Apr 11.
BACKGROUND AND OBJECTIVE: Clinicians have difficulty assessing and monitoring early occlusal caries. Traditional clinical exam and radiographs are unable to detect the subtle alterations in enamel indicative of de- or re-mineralization, particularly under dental sealants. Although clinicians have us
PMID 24729412

Dental sealants and restorations and urinary bisphenol A concentrations in children in the 2003-2004 National Health and Nutrition Examination Survey.

McKinney C1, Rue T2, Sathyanarayana S3, Martin M4, Seminario AL5, DeRouen T6.
Journal of the American Dental Association (1939).J Am Dent Assoc.2014 Jul;145(7):745-50. doi: 10.14219/jada.2014.34.
BACKGROUND: Resin-based dental sealants and composites contain bisphenol A-glycidyl methacrylate, a bisphenol A (BPA) derivative. The authors hypothesized that a greater number of sealants or restorations would be associated with higher urinary BPA concentrations.METHODS: The authors examined urinar
PMID 24982281

Japanese Journal

A-7 多種イオンを徐放するシーラント材による脱灰抑制の検討(有機材料,一般講演(口頭発表),第61回日本歯科理工学会学術講演会)

角田晋一,加我正行,井田有亮,戸島洋和,橋本正則,遠藤一彦,佐野英彦
日本歯科理工学会誌 32(2), 88, 2013-03-25
… Three marketed pit and fissure sealants were employed. … And then the sealant specimen was put into pH4.0 solution (lactic acid aq.) together with a human tooth fragment. … After one week passed, density of calcium and other ions in solution were measured. … That is, some sealant materials could inhibit demineralization of human teeth. …
NAID 110009596387

Clinical comparison of Fuji VII and a resin sealant in children at high and low risk of caries

CHEN Xiao xian,LIU Xing gang
Dental Materials Journal 32(3), 512-518, 2013
… The purpose was to compare the retention and caries preventive effect of Fuji VII and a resin-based sealant in children at high risk (HR) and low risk (LR) of caries. … Sealant retention and caries were evaluated after 6 months, 1 year and 2 years. …
NAID 130003371080

Chitosan whiskers from shrimp shells incorporated into dimethacrylate-based dental resin sealant

MAHAPOKA Ekamon,ARIRACHAKARAN Pratanporn,WATTHANAPHANIT Anyarat,RUJIRAVANIT Ratana,POOLTHONG Suchit
Dental materials journal 31(2), 273-279, 2012-03-01
… A resin-based sealant containing chitosan whiskers was developed for use as a pit and fissure sealer. … Chitosan whiskers were synthesized and then characterized using fourier transform infrared spectrometry and transmission electron microscopy. …
NAID 10030129127