Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Effects of Osseodensification on Primary Stability of Cylindrical and Conical Implants - An Ex Vivo Study

Márcio de Carvalho Formiga
ORCID logo ,
Helio Doyle Pereira da Silva
,
Bruna Ghiraldini
,
Rafael Shinoske Siroma
,
Lavinia Cosmina Ardelean
* ORCID logo ,
Adriano Piattelli
,
Jamil Awad Shibli
Version 1 : Received: 5 May 2023 / Approved: 9 May 2023 / Online: 9 May 2023 (11:56:01 CEST)

A peer-reviewed article of this Preprint also exists.

de Carvalho Formiga, M.; da Silva, H.D.P.; Ghiraldini, B.; Siroma, R.S.; Ardelean, L.C.; Piattelli, A.; Shibli, J.A. Effects of Osseodensification on Primary Stability of Cylindrical and Conical Implants—An Ex Vivo Study. J. Clin. Med. 2023, 12, 3736. de Carvalho Formiga, M.; da Silva, H.D.P.; Ghiraldini, B.; Siroma, R.S.; Ardelean, L.C.; Piattelli, A.; Shibli, J.A. Effects of Osseodensification on Primary Stability of Cylindrical and Conical Implants—An Ex Vivo Study. J. Clin. Med. 2023, 12, 3736.

Abstract

Primary stability is an important factor for dental implant success. In the past years, a new method for bone site preparation was introduced, named osseodensification (OD). OD produces a condensation of the trabecular portion of the bone, increasing bone-to-implant contact and primary stability. This study aims to compare the effect of OD in cylindrical and conical implants to conventional instrumentation. A total of 40 implants, divided in 4 groups, were placed in porcine tibia: cylindrical conventional (1a); cylindrical OD (1b); conical conventional (2a); and conical OD (2b). Each implant was measured for implant stability quotient (ISQ), insertion torque (IT) and removal torque (RT). Group 2b showed the higher values for each of the evaluated parameters; groups 1b and 2b showed better results than 1a and 2a, respectively. Regarding IT and RT, group 1b achieved higher values than group 2a, but not for ISQ. The inter-groups comparison showed significant difference between groups 1a vs 2a, 1a vs 2b and 1b vs 2b for ISQ, and 1a vs 1b and 1a vs 2b for RT analysis. OD resulted in improved ISQ, IT and RT of both cylindrical and conical implants. Conical implants groups showed higher ISQ, but cylindrical OD resulted in higher IT and RT, compared to conical conventional ones.

Keywords

dental implants; osseodensification; primary stability; macrogeometry

Subject

Medicine and Pharmacology, Dentistry and Oral Surgery

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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