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Geometrical design characteristics of orthodontic mini-implants predicting maximum insertion torque


Katić, Višnja; Kamenar, Ervin; Blažević, David; Špalj, Stjepan
Geometrical design characteristics of orthodontic mini-implants predicting maximum insertion torque // The Korean Journal of Orthodontics, 44 (2014), 4; 177-183 doi:10.4041/kjod.2014.44.4.177 (međunarodna recenzija, članak, znanstveni)


Naslov
Geometrical design characteristics of orthodontic mini-implants predicting maximum insertion torque

Autori
Katić, Višnja ; Kamenar, Ervin ; Blažević, David ; Špalj, Stjepan

Izvornik
The Korean Journal of Orthodontics (2234-7518) 44 (2014), 4; 177-183

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Orthodontic mini-implant; Mini-implant stability; Mini-implant orthodontic anchorage; Implant insertion torque.

Sažetak
Objective To determine the unique contribution of geometrical design characteristics of orthodontic mini-implants on maximum insertion torque while controlling for the influence of cortical bone thickness. Methods Total number of 100 cylindrical orthodontic mini- implants was used. Geometrical design characteristics of ten specimens of ten types of cylindrical self-drilling orthodontic mini- implants (Ortho Easy®, Aarhus, and Dual Top™) with diameters ranging from 1.4 to 2.0 mm and lengths of 6 and 8 mm were measured. Maximum insertion torque was recorded during manual insertion of mini-implants into bone samples. Cortical bone thickness was measured. Retrieved data were analyzed in a multiple regression model. Results Significant predictors for higher maximum insertion torque included larger outer diameter of implant, higher lead angle of thread, and thicker cortical bone, and their unique contribution to maximum insertion torque was 12.3%, 10.7%, and 24.7%, respectively. Conclusions The maximum insertion torque values are best controlled by choosing an implant diameter and lead angle according to the assessed thickness of cortical bone.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo, Dentalna medicina



POVEZANOST RADA


Projekt / tema
13.06.2.1.53

Ustanove
Medicinski fakultet, Rijeka,
Tehnički fakultet, Rijeka,
Klinički bolnički centar Rijeka

Časopis indeksira:


  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI


Uključenost u ostale bibliografske baze podataka:


  • EMBASE (Excerpta Medica)
  • MEDLINE
  • Scopus
  • Google Scholar
  • Cross-Check
  • CrossRef
  • Korean Medical Citation Index
  • KorMed
  • Synapse


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