Peri-Implant Behavior of Tissue Level Dental Implants with a Convergent Neck

Introduction: The aim of this retrospective study was to analyze the radiographic peri-implant bone loss of bone level implants and tissue level implants with a convergent neck in screw-retained single crowns and in screw-retained fixed partial prostheses, after two years of functional loading. Mate...

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Bibliographic Details
Published in:International journal of environmental research and public health 2021-05, Vol.18 (10), p.5232
Main Authors: Agustín-Panadero, Rubén, Bermúdez-Mulet, Irene, Fernández-Estevan, Lucía, Fernanda Solá-Ruíz, María, Marco-Pitarch, Rocío, García-Selva, Marina, Zubizarreta-Macho, Álvaro, León-Martínez, Raquel
Format: Article
Language:English
Subjects:
Bone implants
Bone loss
Convergence
Dental implants
Dental materials
Dental prosthetics
Loading
Maxilla
Morphology
Neck
Prostheses
Radiographs
Radiography
Statistical analysis
Subgroups
Surgical implants
Tissues
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Summary:Introduction: The aim of this retrospective study was to analyze the radiographic peri-implant bone loss of bone level implants and tissue level implants with a convergent neck in screw-retained single crowns and in screw-retained fixed partial prostheses, after two years of functional loading. Materials and methods: The sample was divided into two groups according to their type: Group I: supracrestal implants with convergent transmucosal neck; Group II: crestal implants. In each group we distinguish two subgroups according to the type of prosthetic restoration: single crowns and a three-piece fixed partial prosthesis on two implants. To quantify bone loss, parallelized periapical radiographs were analyzed at the time of implant placement and after two years of functional load. Results: A total of 120 implants were placed in 53 patients. After statistical analysis it was observed that for each type of implant bone loss was 0.97 ± 0.91 mm for bone level and 0.31 ± 0.48 mm for tissue level. No significant differences were found regarding the type of prosthesis and the location (maxilla or mandible) of the implants. Conclusions: Tissue level implants with a convergent transepithelial neck exhibit less peri-implant bone loss than bone level implants regardless of the type of prosthesis.
ISSN:1660-4601
1661-7827
1660-4601
DOI:10.3390/ijerph18105232