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Deep-Margin Elevationを有するSubgingival Composite Resin Resorationのレトロスペクティブ臨床評価
Retrospective Clinical Evaluation of Subgingival Composite Resin Restorations with Deep-Margin Elevation.
PMID: 35983705
抄録
目的:
歯肉縁下埋没型コンポジットレジン修復物の長期的な臨床的品質と、周囲の歯肉縁上組織および歯周組織の炎症状態を評価すること。
PURPOSE: To evaluate the long-term clinical quality of subgingivally placed composite resin restorations and the inflammatory status of surrounding supracrestal gingival and periodontal tissues.
材料および方法:
2010年から2020年の間にハイデルベルク大学病院とテュービンゲン大学病院で深縁隆起を伴う歯肉縁下修復物を1個以上埋入した患者を同定した。コントロールとして健全歯を用いた。プロービングデプス(PD),臨床的付着レベル(CAL),プロービング時出血(BOP),歯肉出血指数(GBI),プラークコントロール記録(PCR)などの口腔内検査を実施した.修復物の臨床的品質は,修正FDI基準により評価した.対照歯と試験歯の比較には,GBI,PCR,BOPについてはロジスティック混合効果モデルを用い,CALについては線形混合効果モデルを用いた.多変量線形回帰およびロジスティック回帰を用いて,喫煙,修復年数,むし歯,欠損,充填歯の数,歯間ブラシの使用,CALの影響を検討した.
MATERIALS AND METHODS: Patients with at least one subgingival restoration with deep-margin elevation placed between 2010 and 2020 at Heidelberg University Hospital and Tübingen University Hospital were identified. A sound tooth was used as control. Intraoral examination including probing depth (PD), clinical attachment level (CAL), bleeding on probing (BOP), gingival bleeding index (GBI), and plaque control record (PCR) was conducted. The clinical quality of the restorations was evaluated using the modified FDI criteria. For comparison between control and test teeth, a logistic mixed-effects model was used for GBI, PCR, and BOP, while a linear mixed-effects model was used for CAL. Multivariable linear and logistic regressions were used to examine the influence of smoking, age of restoration, number of decayed, missing and filled teeth, use of interdental brushes, and CAL.
結果:
63名の患者が研究に参加した。修復物の平均年齢は2.70±1.90歳であった.炎症パラメータBOP,GBI,PCRは試験歯と対照歯で有意差を認めなかった.CALは試験歯で対照歯より有意に高かった(p=0.027).回帰モデルにより,CALはGBI(p=0.008)およびBOP(p<0.001)に有意な影響を及ぼすことが明らかとなった.特に,歯間ブラシを毎日使用しない患者では,試験歯でGBIが有意に増加した(p=0.010).修復物の臨床的品質は,70%が優または良と評価され,受容できないと評価された修復物はなかった.
RESULTS: Sixty-three patients were included in the study. The mean age of the restorations was 2.70 ± 1.90 years. There were no significant differences between test and control teeth with respect to inflammatory parameters BOP, GBI, and PCR. CAL was significantly higher in test teeth than in controls (p = 0.027). The regression models revealed that CAL has a significant influence on GBI (p = 0.008) and BOP (p < 0.001). A significantly increased GBI occurred especially on test teeth in patients who did not use interdental brushes daily (p = 0.010). The clinical quality of restorations was rated excellent or good in 70%, an no restoration was rated unacceptable.
結論:
約3年間の観察期間において、歯肉縁下埋伏型コンポジットレジスト装着部位に炎症の増加は観察されなかった。歯間ブラシの定期的な使用は歯肉の炎症の軽減と関連していた.
CONCLUSION: No increased inflammation was observed on sites with subgingivally placed composite restorations over an observation period of approximately 3 years. Regular interdental brush use was associated with less gingival inflammation.