A 5-year prospective study on the clinical and aesthetic outcomes of alveolar ridge preservation and connective tissue graft at the buccal aspect of single implants

Aryan Eghbali, Lorenz Seyssens, Thomas De Bruyckere, Faris Younes, Roberto Cleymaet, Jan Cosyn

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

Aim: To evaluate the 5-year aesthetic outcome of single implants following alveolar ridge preservation (ARP) and connective tissue graft (CTG) at the buccal aspect. Materials and Methods: Thirty-seven periodontally healthy non-smoking patients received flapless tooth extraction, ARP with a deproteinized bovine bone mineral with 10% collagen (DBBMC), implant placement (4–6 months later), a provisional screw-retained crown and CTG at the buccal mucosa (3 months later) and a permanent crown (3 months later). The aesthetic results were the primary outcome and the clinical results the secondary outcome of the study. Both outcomes were compared to those after 1 year. Mucosal thickness (MT) was registered using a non-invasive ultrasonic device. Results: Thirty-two patients attended the 5-year re-assessment, and all implants survived. Mean marginal bone loss was 0.53 mm at 1 year and 0.47 mm at 5 years (p = 0.439). Mesial Papilla showed a further re-growth between 1 and 5 years (p = 0.043). Mid-facial recession amounted to 0.05 mm and 0.12 mm at 1 and 5 years, respectively (p = 0.161). The Pink Esthetic Score was 11.00 and 11.17 at 1 and 5 years, respectively (p = 0.596). MT gain amounted to 0.97 mm (relative stability: 90.5%) and 0.91 mm (relative stability: 85%) at 1 and 5 years, respectively (p = 0.249). Conclusion: ARP and CTG resulted in favourable clinical and aesthetic outcomes. CTG substantially increased MT with acceptable stability over a 5-year period.

Original languageEnglish
Pages (from-to)1475-1484
Number of pages10
JournalJournal of Clinical Periodontology
Volume45
Issue number12
Early online date2018
DOIs
Publication statusPublished - Dec 2018

Bibliographical note

© 2018 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

Keywords

  • alveolar ridge preservation
  • connective tissue graft
  • single implant

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