Trans-crestal dental implants in the rehabilitation of a severely atrophic maxilla: A retrospective case series

被引:0
|
作者
Agliardi, Enrico Luigi [1 ]
Romeo, Davide [1 ]
Panigatti, Stefano [1 ]
D'Orto, Bianca [2 ]
Agliardi, Jacopo [2 ]
Gherlone, Enrico [2 ]
Del Fabbro, Massimo [3 ,4 ]
机构
[1] Univ Vita Salute San Raffaele, San Raffaele Hosp, Dept Dent, Adv Oral Surg Unit, Milan, Italy
[2] Univ Vita Salute San Raffaele, San Raffaele Hosp, Dept Dent, Milan, Italy
[3] Univ Milan, Dept Biomed Surg & Dent Sci, Milan, Italy
[4] IRCCS Fdn Ca Granda Osped Maggiore Policlin, Milan, Italy
关键词
atrophic maxilla; full-arch fixed prosthesis; immediate loading; tilted implants; GUIDED BONE REGENERATION; IMMEDIATE REHABILITATION; EDENTULOUS MAXILLA; RIDGE AUGMENTATION; TILTED IMPLANTS; SURVIVAL RATES; COMPLICATIONS; PLACEMENT; MEMBRANES; GRAFTS;
D O I
10.1111/cid.13388
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Purpose: To evaluate the mid-term clinical and radiographic results of immediate fixed full-arch prosthesis supported by two anterior axial and two posterior trans-crestally placed tilted implants in patients with severely atrophic posterior maxilla. Materials and methods: Patients with posterior maxillary ridge less than 4 mm high and 3 mm wide were rehabilitated with an immediate fixed provisional prosthesis supported by two anterior axially placed and two trans-crestal posterior tilted implants within 3 h after implant surgery. The final prosthesis, consisting of a CAD-CAM titanium framework and composite teeth was delivered 6 months later. Patients were scheduled for follow-up visits every 6 months to assess clinical and radiological parameters. Patients' satisfaction was assessed by a questionnaire up to 5 years. Results: From April 2008 to May 2017, 56 implants (28 axial and 28 tilted) were inserted in 14 subjects (eight female and six male). The average bone loss for the anterior axial implants was 0.99 +/- 0.19 mm at 1 year (n = 28 implants), 1.37 +/- 0.31 mm at 5 years (n = 28), and 2.05 +/- 0.32 mm at 10 years (n = 14). Only for three implants in two subjects the marginal bone loss was higher than 2 mm after 60 months. No implant was lost, and no prosthetic failure occurred after a mean follow-up of 125 months (range 79-186 months), leading to 100% implant and prosthesis survival rates. The upper 95% confidence limit of the failure rate was 23% and 6% at patient and implant level, respectively. High level of satisfaction was reported at 5-year follow-up. Conclusion: Wider sample sizes will be required to determine whether the presented technique is a reliable treatment option for the immediate rehabilitation of the atrophic maxilla.
引用
收藏
页码:1313 / 1324
页数:12
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