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  1. 260 大学院医歯学総合研究科(歯)
  2. 20 紀要
  3. 01 新潟歯学会雑誌
  4. 第27巻第2号
  1. 0 資料タイプ別
  2. 03 紀要論文

上顎乳切歯に露髄を伴う重度の形成不全が認められた2症例

http://hdl.handle.net/10191/23019
7249891a-fd40-42d3-b572-60b519d20739
名前 / ファイル ライセンス アクション
NS_27(2)_43-48.pdf NS_27(2)_43-48.pdf (5.2 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2013-08-22
タイトル
タイトル 上顎乳切歯に露髄を伴う重度の形成不全が認められた2症例
タイトル
言語 en
タイトル 上顎乳切歯に露髄を伴う重度の形成不全が認められた2症例
言語
言語 jpn
キーワード
主題Scheme Other
主題 Hypoplasia
キーワード
主題Scheme Other
主題 形成不全
キーワード
主題Scheme Other
主題 Primary incisor
キーワード
主題Scheme Other
主題 乳切歯
キーワード
主題Scheme Other
主題 Pulp exposure
キーワード
主題Scheme Other
主題 露髄
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
その他のタイトル
その他のタイトル Two Cases of Severely Affected Hypoplastic Maxillary Primary Incisors with Exposed Pulp
著者 佐野, 富子

× 佐野, 富子

WEKO 152786

佐野, 富子

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河野, 美砂子

× 河野, 美砂子

WEKO 152787

河野, 美砂子

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富沢, 美恵子

× 富沢, 美恵子

WEKO 152788

富沢, 美恵子

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野田, 忠

× 野田, 忠

WEKO 152789

野田, 忠

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米持, 浩子

× 米持, 浩子

WEKO 152790

米持, 浩子

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著者別名
識別子
識別子 152791
識別子Scheme WEKO
姓名
姓名 Sano, Tomiko
著者別名
識別子
識別子 152792
識別子Scheme WEKO
姓名
姓名 Kohno, Misako
著者別名
識別子
識別子 152793
識別子Scheme WEKO
姓名
姓名 Tomizawa, Mieko
著者別名
識別子
識別子 152794
識別子Scheme WEKO
姓名
姓名 Noda, Tadashi
著者別名
識別子
識別子 152795
識別子Scheme WEKO
姓名
姓名 Yonemochi, Hiroko
抄録
内容記述タイプ Abstract
内容記述 Hypoplasia of primary teeth is rare compared with that of permanent teeth, and the hypoplastic lesions are usually localized within the enamel and dentin layer. This report describes two cases of severely affected hypoplastic maxillary primary incisors with exposed pulp. The patients were a 1-year-11-month-old boy (case1) and a 2-year-11-month-old boy (case2). In case 1, the labial cervical gingiva of the maxillary right primary central incisor was swollen and extended to the hypoplastic labial surface. After the swollen gingiva was removed surgically, the hypoplastic labial surface appeared with the exposed pulp. The central incisor was treated by vital pulpotomy. Histological examination of the removed gingival tissue revealed there were formation of many pieces of dysplastic tooth elements in granulation tissue at the connecting part with the exposed pulp. The findings suggested that pulp exposure resulted from focal dental hypoplasia not from resorption of the tooth. In case 2, the maxillary left primary lateral incisor had started to erupt at the age of 2 years 11months. Most of the crown was defective and covered with gingival tissue. After the gingival tissue overlying the crown was removed surgically, small pulp was exposed and the incisor was treated by vital pulpotomy. Histological examination of the removed gingival tissue revealed granulation tissue. There were no dental tissue such as pulp.
抄録
内容記述タイプ Abstract
内容記述 乳歯は母体内の比較的安定した環境下で形成されるため、永久歯に比し形成不全歯の頻度は低いとされている。今回我々は、 1歳11か月(症例1)と2歳11か月(症例2)の男児において、歯冠部歯髄に及ぶ重度の形成不全を伴った乳切歯の2症例を経験したので報告する。症例1では、A の唇側歯頸部歯肉は円形に膨隆し、さらに三角形に伸びてA唇側面を覆い歯の陥凹部と癒着していた。同部の歯肉を切除したところ、A唇側面で歯肉と歯髄との交通が認められた。Aには生活断髄を行い予後良好である。病理組織学的には、歯髄との交通部に肉芽組織化した歯小嚢組織が認められ、象牙質小片およびエナメル基質からなる異形成歯質断片が多数含まれていたことから、歯冠が吸収されたのではなく、歯胚の部分的欠損による歯冠形成不全であることが示唆された。症例2では、Bは2歳11か月時にようやく萌出を開始したが、歯冠は大きく欠損し、口蓋側から歯冠遠心部に伸びた歯肉弁状の軟組織が歯冠切縁側のほとんどを覆い、一部歯面と癒着していた。同部の歯肉を切除したところ、歯冠中央の一部で、わずかな歯髄との交通が認められた。Bには生活断髄を行い、予後良好である。病理組織学的には、切除歯肉に慢性炎症細胞浸潤を伴う肉芽組織が認められたが、歯髄様組織は明らかではなかった。
書誌情報 新潟歯学会雑誌
en : 新潟歯学会雑誌

巻 27, 号 2, p. 43-48, 発行日 1997-12
出版者
出版者 新潟歯学会
ISSN
収録物識別子タイプ ISSN
収録物識別子 03850153
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN0018300X
著者版フラグ
値 publisher
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