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

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Abstract

Background: All‐on‐four protocols with tilted implants in the maxilla are used to rehabil-itate 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 im-plants; after 6 months, a cemented ceramic–metallic prosthesis was delivered. The patients were fol-lowed 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, ke-ratinized 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.

Original languageEnglish
Article number2902
JournalJournal of Clinical Medicine
Volume11
Issue number10
DOIs
StatePublished - 1 May 2022

Keywords

  • immediate implants
  • marginal bone loss
  • periodontitis
  • tilted implants

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