ジルコニア積層板の処理結果
ジルコニア積層板の表面調整効果・精度・処理結果
This study aims to evaluate the clinical performance of the zirconia laminate veneer, a minimally invasive prosthetic restoration
調査の概要
状態
詳細な説明
Patients with indications for single tooth restoration with ceramic laminate veneers are recruited for the study. These indications include spaced, discolored, malformed, root canal-treated, chipped, and mildly crowded teeth. After providing written informed consent, all patients are randomly divided into two groups in a double-blind manner (participants and the outcomes assessor) in a 1:1 ratio, including the Zirconia group (intervention) and the Lithium Disilicate group (control). Each patient's tooth is prepared and restored with the corresponding laminate veneer material, that is, zirconia and lithium disilicate.
研究の種類
入学 (実際)
段階
- 適用できない
連絡先と場所
研究場所
-
-
Hanoi
-
Hanoi、Hanoi、ベトナム、10000
- High Technical Center of Dentistry, School of Dentistry
-
-
参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
説明
Inclusion Criteria:
- Spaced tooth
- Discolored tooth
- Malformed tooth
- Root canal-treated tooth
- Chipped tooth
- Mildly crowded tooth
Exclusion Criteria:
- Tooth bruxism
- Inadequate enamel for bonding
- Large restoration exists
- Bad oral habits harming restoration
研究計画
研究はどのように設計されていますか？
デザインの詳細
- 主な目的：処理
- 割り当て：ランダム化
- 介入モデル：並列代入
- マスキング：ダブル
武器と介入
参加者グループ / アーム |
介入・治療 |
|---|---|
|
実験的：Zirconia laminate veneer
Intervention: Single-tooth restoration using zirconia ceramic laminate veneers. Procedure: Tooth preparation following standard protocols for laminate veneer placement. Fabrication of zirconia laminate veneers. Cementation of zirconia laminate veneers with appropriate bonding protocol. Follow-Up: after 2 weeks, 6 months, and 12 months |
Zirconia veneers are milled with computer-aided manufacturing technology from multilayered zirconia discs with shade matched with adjacent teeth. After sintering, veneer surfaces are treated with a hydrofluoric acid-nitric acid mixture. Next, veneers are cut back if necessary to provide space for characterization. Veneers are bonded with a light-cured veneer adhesive system (Relyx Veneer LC, 3M, USA). |
|
アクティブコンパレータ：Lithium Disilicate laminate veneer
Intervention: Single-tooth restoration using lithium disilicate ceramic laminate veneers. Procedure: Tooth preparation following standard protocols for laminate veneer placement. Fabrication of lithium disilicate laminate veneers. Cementation of lithium disilicate laminate veneers with appropriate bonding protocol. Follow-Up: after 2 weeks, 6 months, and 12 months |
Lithium Disilicate veneers are milled with computer-aided manufacturing technology from lithium disilicate blocks with shade matched with adjacent teeth. After sintering, veneer surfaces are treated with hydrofluoric acid. Next, veneers are cut back if necessary to provide space for characterization. Veneers are bonded with a light-cured veneer adhesive system (Relyx Veneer LC, 3M, USA). |
この研究は何を測定していますか？
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Marginal and internal fit
時間枠：Before veneer adhesion
|
Measurement of marginal and internal fit in micrometers with silicone replica method |
Before veneer adhesion
|
|
Gingival health
時間枠：2 weeks, 6 months, 12 months
|
Assessment of gingival index |
2 weeks, 6 months, 12 months
|
|
Periodontal pocket
時間枠：2 weeks, 6 months, 12 months
|
Measurement of periodontal pocket depth in millimeters |
2 weeks, 6 months, 12 months
|
|
Evaluation criteria based on the modified United States Public Health Standard
時間枠：2 weeks, 6 months, 12 months
|
Shade match, contour, fracture, loss of retention, hypersensitivity |
2 weeks, 6 months, 12 months
|
協力者と研究者
スポンサー
研究記録日
主要日程の研究
研究開始 (実際)
一次修了 (実際)
研究の完了 (実際)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (実際)
学習記録の更新
投稿された最後の更新 (実際)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。