The Influence of History of Severe Periodontitis on Estimated Long-Term Marginal Bone Loss around Implants Restored with Fixed Segmented Full-Arch Rehabilitation

doi:10.3390/jcm12206665

★ Alto impactoQ1 · DentistryImpact Factor · 3.408

AutoresPablo Galindo-Moreno, Andrés Catena, Lucía López-Chaichío, Tiago Borges, Francisco O'Valle, Laura Torrecillas-Martínez, Miguel Padial-Molina

Por qué importa

Este estudio retrospectivo evalúa la pérdida ósea marginal a largo plazo en implantes que soportan rehabilitaciones fijas completas en pacientes con antecedentes de periodontitis severa. Se analizaron datos de 342 implantes en 35 pacientes, estimando la pérdida ósea marginal tras una media de 4108 días de carga. Los resultados indican que, en general, la pérdida ósea no fue importante, con menos del 0.15% de implantes mostrando una pérdida de 3 mm o más. Factores como el tipo de dentición antagonista, el género, el diámetro del implante y la altura del abutment influyeron en la pérdida ósea. Se destaca que una altura de abutment de 1 mm se asoció con mayor pérdida ósea, sugiriendo que abutments transmucosos más largos (≥ 2 mm) son cruciales para el éxito a largo plazo en esta población de pacientes.

Abstract original

The aim of this study was to analyze the long-term marginal bone level (MBL) of implants supporting fixed full-arch restoration in patients who had previously lost their dentition due to severe periodontitis. This retrospective study included 35 patients in whom 342 implants with internal tapered conical connections were placed. MBL was analyzed radiographically over time and a long-term estimation of MBL was calculated. A mixed linear model with abutment height, graft, diameter and location (maxilla/mandible) as factors and gender, age, implant length and prosthetic variables as covariates was used to evaluate the influence on MBL. MBL in these patients showed an estimator of predictions at 4108 days after loading of −0.307 mm, SE = 0.042. Only 0.15% of implants were radiographically affected with MBL of 3 mm or more. The mixed linear model results showed a main effect of the type of opposing dentition, gender, implant diameter, and abutment height. Particularly, an abutment height of 1 mm had associated larger MBL than the remaining heights. Thus, it can be concluded that dental implants restored with fixed segmented full-arch rehabilitation in patients with a history of severe periodontal disease do not suffer important marginal bone loss if some specific factors are considered, mainly the use of long transmucosal abutments (≥2 mm).

Leer texto completo ↗DOI · 10.3390/jcm12206665

Autor Doctor&Cols

Lucía López Chaichío
Rehabilitación Oral y Estética Dental

Cómo citar

Galindo-Moreno P, Catena A, López-Chaichío L, Borges T, O'Valle F, Torrecillas-Martínez L, et al. The Influence of History of Severe Periodontitis on Estimated Long-Term Marginal Bone Loss around Implants Restored with Fixed Segmented Full-Arch Rehabilitation. Journal of Clinical Medicine. 2023. doi:10.3390/jcm12206665