Immediate Maxillary Full-Arch Rehabilitation of Periodontal Patients with Terminal Dentition Using Tilted Implants and Bone Augmentation: A 5-Year Retrospective Cohort Study

被引:8
作者
Slutzkey, Gil S. [1 ]
Cohen, Omer [1 ]
Chaushu, Liat [1 ]
Rahmanov, Arkadi [2 ]
Mijiritsky, Eitan [2 ,3 ]
Beitlitum, Ilan [1 ]
Kolerman, Roni [1 ]
机构
[1] Tel Aviv Univ, Maurice & Gabriela Goldschleger Sch Dent Med, Dept Periodontol & Oral Implantol, IL-6997801 Tel Aviv, Israel
[2] Tel Aviv Univ, Maurice & Gabriela Goldschleger Sch Dent Med, Dept Oral Rehabil, IL-6997801 Tel Aviv, Israel
[3] Tel Aviv Univ, Tel Aviv Sourasky Med Ctr, Sackler Sch Med, Dept Otolaryngol Head & Neck Surg & Maxillofacial, IL-6997801 Tel Aviv, Israel
关键词
immediate implants; tilted implants; periodontitis; marginal bone loss; ABUTMENT ANGULATION; PLACEMENT; EXTRACTION; STRAIGHT; PROTOCOL;
D O I
10.3390/jcm11102902
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background: All-on-four protocols with tilted implants in the maxilla are used to rehabilitate the terminal dentition of the severe generalized periodontitis patients. Data on long-term biological complications are scarce. Methods: Eighty-four axial and forty-six tilted immediate implants have been placed in the extraction sockets of 23 patients according to a four-six implants protocol combined with ridge augmentation. Within 72 h, a provisional prosthesis was cemented to the implants; after 6 months, a cemented ceramic-metallic prosthesis was delivered. The patients were followed for up to 5 years. Results: The 5-year survival rate of the straight and tilted implants was 100% and 97.8, and the prosthetic one was 100%. Marginal bone loss (MBL) of the straight implants was 0.42 +/- 0.67 and 0.59 +/- 1.01 mm on the mesial and distal sides; for the tilted, it was 0.37 +/- 0.68 and 0.34 +/- 0.62 mm, and the differences were not statistically significant. Implant position, smoking, keratinized mucosal width, and cantilever did not affect MBL. Peri-implant mucositis involved 29.4% and 22.2% of the straight and tilted implants, respectively; peri-implantitis involved 5.8% and 4.4% of the straight and tilted implants, respectively, without statistical significance. Conclusions: This immediate loading protocol's 5-year survival and success rates were high. No difference between the straight and tilted implants was found regarding survival, success rates, and MBL.
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页数:18
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