Influence of short implants geometry on primary stability

  1. José González Serrano 1
  2. Pedro Molinero Mourelle 1
  3. Beatriz Pardal Peláez 1
  4. Luis Miguel Sáez Alcaide 1
  5. Ricardo Ortega Aranegui 1
  6. Juan López Quiles 1
  1. 1 Department of Dental Clinical Specialties. School of Dentistry, Complutense University, Madrid, Spain
Revista:
Medicina oral, patología oral y cirugía bucal. Ed. inglesa

ISSN: 1698-6946

Año de publicación: 2018

Volumen: 23

Número: 5

Páginas: 16

Tipo: Artículo

DOI: 10.4317/MEDORAL.22378 DIALNET GOOGLE SCHOLAR lock_openAcceso abierto editor

Otras publicaciones en: Medicina oral, patología oral y cirugía bucal. Ed. inglesa

Resumen

A correct design is needed in short implants to improve primary stability (PS) in low quality bone. This study aimed to compare PS of double thread and single thread short implants. Thirty implants with single thread design (PHI/SHORT-I) and 30 implants with double thread design (PHIA/SHORT-I) (Radhex®, Inmet-Garnick S.A., Guadalajara, Spain) were placed in 30 randomly selected bovine ribs. PS was assessed in implant stability quotients (ISQ) and periotest values (PV) with Osstell™ and Periotest® devices, respectively. Computed tomographies of the ribs were taken and bone quality was evaluated in Hounsfield Units (HU) using Ez3D Plus software (Vatech Co., Korea). Only implants placed in low quality bone according to Misch and Kircos classification were selected (D3 bone: 350-850 HU; and D4 bone: 150-350 HU). Ten implants were not included in the study for being placed in D1 and D2 bone. Finally, 50 implants were selected: 17 and 9 PHI/SHORT-I in D3 and D4 bone respectively, and 15 and 9 PHIA/SHORT-I in D3 and D4 bone respectively. The one-way ANOVA showed statistically significant differences in ISQ (61.35 ± 4.77 in PHI/SHORT-I and 66.43 ± 4.49 in PHIA/SHORT-I, P<0.005) and PV (-2.76 ± 0.8 and -4.11 ± 1.24 respectively, P<0.005) between two implant designs in D3 bone, and statistically significant differences in ISQ (53.44 ± 3.34 in PHI/SHORT-I and 60.56 ± 1.53 in PHIA/SHORT-I, P<0.0001) and PV (1.13 ± 0.95 and -2.5 ± 0.61 respectively, P<0.0001) between two groups in D4 bone. Double thread design short implants resulted to have higher PS in comparison with single thread design short implants in D3 and D4 bone.

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Fuente de los datos: Dialnet