牙齦生物學(xué)類型對(duì)美學(xué)區(qū)種植后齦乳頭影響的研究.pdf

1、上海交通大學(xué)碩士學(xué)位論文牙齦生物學(xué)類型對(duì)美學(xué)區(qū)種植后齦乳頭影響的研究姓名：黃昕申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：口腔臨床醫(yī)學(xué)指導(dǎo)教師：賴紅昌20090401上海交通大學(xué)碩士學(xué)位論文 2PAPILLA ALTERATION AROUD IMPLANT-SUPPORTED SINGLE-TOOTH RESTORATIONS IN ANTERIOR MAXILLA ABSTRACT Objective: The aim of this study is

2、 to evaluate the alterations of papilla around implant-supported single-tooth replacements in anterior maxilla with different gum biotypes. Material and methods: According to the case inclusion criteria, 32 patients, sub

3、jected to single-tooth replacements with implant-supported restorations(ITI implant system) in the maxillary anterior region were included in the analysis. The implant installation was performed as a two-stage procedure

4、with a 2 to 4-month healing interval. All the objects were divided into two groups according to the average thickness of soft tissue as follow: Group I: 1.5mm～3mm、Group II: 3mm～4.5mm. Assessments of papilla after crown p

5、lacement and at the 6-month follow-up were made with PFI （Papilla Fill Index）. Statistical analysis was done with SAS 6.12 . The significance level was set at 0.05. Results: No implants was lost during the study. The sta