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博士論文
国立国会図書館館内限定公開
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Effect of Difference in Occlusal Contact Area of Mandibular Free-end Edentulous Area Implants on periodontal mechanosensitive threshold of Adjacent Premolars
- 国立国会図書館永続的識別子
- info:ndljp/pid/12071637
国立国会図書館での利用に関する注記
資料に関する注記
一般注記:
- Objective: Implant treatment is believed to cause minimal invasion of remaining teeth. However, few studies have examined teeth adjacent to an implant...
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デジタル
- 資料種別
- 博士論文
- 著者・編者
- 寺内, 理恵
- 著者標目
- 出版年月日等
- 2016-03-11
- 出版年(W3CDTF)
- 2016-03-11
- 並列タイトル等
- 下顎遊離端欠損部インプラントの咬合接触面積の違いが隣在小臼歯の歯根膜触・圧覚閾値に与える影響について
- 授与機関名
- 大阪歯科大学
- 授与年月日
- 2016-03-11
- 授与年月日(W3CDTF)
- 2016-03-11
- 報告番号
- 甲第773号
- 学位
- 博士(歯学)
- 博論授与番号
- 甲第773号
- 本文の言語コード
- eng
- 対象利用者
- 一般
- 一般注記
- Objective: Implant treatment is believed to cause minimal invasion of remaining teeth. However, few studies have examined teeth adjacent to an implant region. Therefore, this study investigated the effect of occlusal contact size of implants on the periodontal mechanosensitive threshold of adjacent premolars.Subjects and Methods: A cross-sectional study design was adopted. The Department of Oral Implantology, Osaka Dental University, was the setting where patients underwent implant treatment in the mandibular free-end edentulous area. The study population comprised of 87 patients (109 teeth) who underwent follow-up observation for at least 3 years following implant superstructure placement. As variables, age, sex, duration following superstructure placement, presence or absence of dental pulp, occlusal contact area, and periodontal mechanosensitive threshold were considered. The occlusal contact area was measured using Blue Silicone®and Bite Eye BE-I®. periodontal mechanosensitive threshold were measured using von Frey hair. As quantitative variables for periodontal mechanosensitive threshold, we divided subjects into two groups: normal (≤5 g) and high (≥5.1 g). For statistical analysis, we compared the two groups for the sensation thresholds using the chi-square test for categorical data and the Mann–Whitney U test for continuous volume data. For variables in which a significant difference was noted, we calculated the odds ratio (95% confidence interval) and the effective dose.Results: There were 93 teeth in the normal group and 16 teeth in the high group based on periodontal mechanosensitive threshold. Comparison of the two groups indicated no significant differences associated with age, sex, duration following superstructure placement, or presence or absence of dental pulp. A significant difference was noted with regard to occlusal contact area, with several high group subjects belonging to the small contact group (odds ratio: 4.75 [1.42–15.87]; effective dose: 0.29).Discussion and Conclusions: The results of this study suggest an association between implant occlusal contact area and the periodontal mechanosensitive threshold of adjacent premolars. Smaller occlusal contact application resulted in an increased threshold. It appears that prosthodontic treatment should aim not only to improve occlusal function but also to maintain oromandibular function with regard to the preservation of remaining teeth.2015
- 国立国会図書館永続的識別子
- info:ndljp/pid/12071637
- コレクション(共通)
- コレクション(障害者向け資料:レベル1)
- コレクション(個別)
- 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文
- 収集根拠
- 博士論文(自動収集)
- 受理日(W3CDTF)
- 2022-02-06T04:33:19+09:00
- 作成日(W3CDTF)
- 2016-07-19
- 記録形式(IMT)
- application/pdf
- オンライン閲覧公開範囲
- 国立国会図書館内限定公開
- デジタル化資料送信
- 図書館・個人送信対象外
- 遠隔複写可否(NDL)
- 可
- 連携機関・データベース
- 国立国会図書館 : 国立国会図書館デジタルコレクション