Estabilidad Primaria en Implantes Inmediatos Versus Implantes Colocados en Hueso MaduroUn Estudio Clínico Retrospectivo

  1. David Chávarri-Prado
  2. Aritza Brizuela-Velasco
  3. Pablo Ortiz-de-Urbina-Comerón
  4. Markel Diéguez-Pereira
  5. Esteban Pérez-Pevida
  6. Iratxe Viteri-Agustín
  7. Alejandro Estrada-Martínez
  8. Oier Montalbán-Vadillo
Journal:
International Journal of Odontostomatology

ISSN: 0718-381X,  0718-3801

Year of publication: 2020

Volume: 14

Issue: 2

Pages: 230-235

Type: Article

DOI: 10.4067/S0718-381X2020000200230 DIALNET GOOGLE SCHOLAR lock_openOpen access editor

More publications in: International Journal of Odontostomatology

Abstract

ABSTRACT: Primary stability is an important requirement for the survival and success of implants during osseointegration. In recent years, immediate post-extraction implants have proven to be a successful and predictable treatment option for the replacement of teeth with a poor prognosis, but the question arises as to whether these implants reach primary stability values comparable to those placed in mature bone. The objective of the study was to compare the primary stability of immediate implants placed in post-extraction alveoli with that of implants placed in mature bone. A retrospective clinical study was carried out, with data collected on 175 implants, placed in 175 patients. All implants placed belonged to the Essential Cone model (Klockner Implant System) and were divided into two groups: immediate implants (Group A, n = 31) and implants placed in mature bone (Group B, n = 144). The primary stability of all implants was measured by insertion torque and resonance frequency analysis with Osstell ISQ. No statistically significant differences were found regarding the stability measured through the insertion torque (26.29 + 10.07 Vs 25.76 + 9.72 N / cm) but significant differences were found in the measurement of primary stability by means of AFR, the values corresponding to implants placed in the post-exodontic alveoli being lower (60.74 ± 6.17 in the VL direction and 62.19 ± 7.64 in the MD direction versus 68.34 ± 6.26 in the VL direction and 69.29 ± 7.98 in the MD direction obtained in implants placed in mature bone). The insertion torque of immediate implants is similar to that of implants placed in mature bone, but their ISQ values are significantly lower, which demonstrates a higher degree of micromotion, and therefore, a greater risk of failure during the period of osseointegration.

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