期刊
CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH
卷 18, 期 6, 页码 1153-1162出版社
WILEY-BLACKWELL
DOI: 10.1111/cid.12416
关键词
fixed implant prosthesis; implant; implant-supported crown; randomized controlled trial
资金
- Institut Straumann AG, Basel, Switzerland
BackgroundAchieving an optimal esthetic result using dental implants is challenging. Fixed implant-supported provisional crowns are often used to customize the emergence profile and to individualize the surrounding peri-implant soft tissue. PurposeThe objective of this study is to evaluate whether the use of a provisional implant-supported crown leads to an esthetic benefit on implants that are placed in the esthetic zone. The null hypothesis is that there is no-difference between the two study groups. Material and methodsTwenty single implants (Bone Level, Straumann AG, Basel, Switzerland) were inserted in consecutive patients. After reopening, a randomization process assigned them to either cohort group 1: a provisional phase with soft tissue conditioning using the dynamic compression technique or cohort group 2: without a provisional. Implants were finally restored with an all-ceramic crown. Follow-up examinations were performed at 3 and 12 months including implant success and survival, clinical, and radiographic parameters. ResultsAfter 1 year all implants successfully integrated, mean values of combined modPES and WES were 16.7 for group 1 and 10.5 for Group 2. This was statistically significant. Mean bone loss after 1 year was -0.09 and -0.08 for groups 1 and 2, respectively, without being statistically significant. ConclusionA provisional phase with soft tissue conditioning does improve the final esthetic result.
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