A 3‐year longitudinal prospective study assessing microbial profile and clinical outcomes of single‐unit cement‐retained implant restorations: Zirconia versus titanium abutments

Purpose The aim of this study was to assess the microbiological and clinical outcomes of implant‐supported restorations on zirconia or titanium abutments after 3 years in function. Materials and methods Twenty two‐part dental implants were placed in 20 healthy individuals in need of single‐tooth rep...

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Bibliographic Details
Published in:Clinical implant dentistry and related research 2020-06, Vol.22 (3), p.301-310
Main Authors: Oliveira Silva, Thalisson S., Freitas, Alice R., Albuquerque, Rubens F., Pedrazzi, Vinícius, Ribeiro, Ricardo F., Nascimento, Cássio
Format: Article
Language:English
Subjects:
bacterial adhesion
Bleeding
Bone loss
checkerbord DNA‐DNA hybridization
Clinical outcomes
Dental implants
Dental materials
Dental prosthetics
Dentistry
Genomes
implant
Mechanical loading
Microbiota
Microorganisms
Surgical implants
Survival
Teeth
Titanium
Transplants & implants
Zirconia
Zirconium dioxide
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Summary:Purpose The aim of this study was to assess the microbiological and clinical outcomes of implant‐supported restorations on zirconia or titanium abutments after 3 years in function. Materials and methods Twenty two‐part dental implants were placed in 20 healthy individuals in need of single‐tooth replacement. Ceramic‐based reconstructions were cemented in either zirconia or titanium abutments. Clinical, radiographic, and microbiological outcomes were examined at implant loading and then yearly up to 3 years post‐loading. Results Cumulative survival/success implant rates were 95% after 3 years. Mean total marginal bone loss was 0.76 ± 0.21 mm for zirconia and 0.99 ± 0.41 mm for titanium, with no significant differences (P > .05). Overall, titanium and zirconia abutments presented similar values of probing depth, gingival recession, and bleeding on probing over time (P 
ISSN:1523-0899
1708-8208
DOI:10.1111/cid.12888