Mini-implants for Orthodontic Anchorage: Surface Analysis after Redrilling and Sterilization – An in vitro Study
JM Gross, GG Nascimento, VC Araújo, MJS Bönecker, C Furuse
Citation Information :
Gross J, Nascimento G, Araújo V, Bönecker M, Furuse C. Mini-implants for Orthodontic Anchorage: Surface Analysis after Redrilling and Sterilization – An in vitro Study. J Contemp Dent Pract 2016; 17 (4):300-305.
This study aimed to investigate, in vitro, possible alterations on mini-implants surface after retrieval and if the cleaning process and sterilization can predispose damages.
Materials and methods
Two commercial mini-implants were tested for deformations after drilling and removing in artificial bone four times. Samples were analyzed by scanning electron microscopy, and surface alterations verified through thread and pitches deformation. To alterations caused by insertion/removal and the cleaning process and sterilization were verified in different procedures: Insertions and sterilization, only insertions, and only sterilization. Photomicrographs were analyzed in order to compare the surface characteristics. Head deformation was verified qualitatively. For a quantitative analysis, distances between threads were measured across the active part of the mini-implants.
Results
No deformation was observed in both groups. The cleaning and sterilization processes did not provoke alteration in both groups. Nevertheless, the presence of synthetic bone was noted in some samples. The mean distances between implant threads were similar after all steps in all regions in both groups.
Conclusion
The results suggest that the tested mini-implants can be retrieved without damage of its surface after four cycles of insertion, removal, and sterilization.
Clinical significance
Mini-implants can be retrieved without damage to its surface after four cycles of insertion, removal, and sterilization in the same patient without representing a biological concern.
How to cite this article
Gross JM, Nascimento GG, Araújo VC, Bönecker MJS, Furuse C. Mini-implants for Orthodontic Anchorage: Surface Analysis after Redrilling and Sterilization – An in vitro Study. J Contemp Dent Pract 2016;17(4):300-305.
Response of rat bone marrow cells to commercially pure titanium submitted to different surface treatments. J Dent 2003 Mar;31(3):173-180.
Corrosion behavior of novel Ti-24Nb-4Zr-7.9Sn alloy for dental implant applications in vitro. J Biomed Mater Res B Appl Biomater 2013 Feb;101(2):287-294.
Rigid endosseous implants for orthodontic and orthopedic anchorage. Angle Orthod 1989 Winter;59(4):247-256.
Osseointegrated titanium implants – a new approach in orthodontic treatment. Eur J Orthod 1988 May;10(2):98-105.
Mini-implant for orthodontic anchorage. J Clin Orthod 1997 Nov;31(11):763-767.
Factors associated with the stability of titanium screws placed in the posterior region for orthodontic anchorage. Am J Orthod Dentofacial Orthop 2003 Oct;124(4):373-378.
Clinical suitability of titanium microscrews for orthodontic anchorage-preliminary experiences. J Orofac Orthop 2004 Sep;65(5):410-418.
Re-use of implant coverscrews changes their surface properties but not clinical outcome. Clin Oral Implants Res 2000 Jun;11(3):183-194.
Catheter cleaning for re-use in intermittent catheterization: new light on an old problem. SCI Nurs 1995 Mar;12(1):10-12.
The effect of autoclaving on torsional moment of two nickel-titanium endodontic files. Int Endod J 2012 Feb;45(2):156-161.
Socio-demographics of adult orthodontic visits in the United States. Am J Orthod Dentofacial Orthop 2008 Apr;133(4):489.e9-489.e14.
Influence of autoclave sterilization on the surface parameters and mechanical properties of six orthodontic wires. Eur J Orthod 2005 Feb;27(1):72-81.
Molar band re-use and decontamination: a survey of specialists. J Orthod 2006 Mar;33(1):30-37.
Reimplantation of an infected, abdominally implanted defibrillator in the subpectoral region. J Cardiovasc Surg (Torino) 1996 Feb;37(1):67-70.
Effects of sterilization processes on NiTi alloy: surface characterization. J Biomed Mater Res 2000 Jan;49(1):88-98.
Effects of multiple sterilization on surface characteristics and in vitro biologic responses to titanium. J Oral Maxillofac Surg 1996 Jun;54(6):738-746.
Integrity of craniofacial plating systems after multiple sterilization procedures. J Oral Maxillofac Surg 2007 May;65(5):940-944.
Effect of autoclaving on the fracture torque of mini-implants used for orthodontic anchorage. J Orthod 2011 Mar;38(1):15-20.
Characterization of retrieved orthodontic miniscrew implants. Am J Orthod Dentofacial Orthop 2009 Jan;135(1):10.e1-10.e7.
Anchorage miniscrews: a surface characterization study using optical microscopy. Int Orthod 2011 Sep;9(3):325-338.
Bone classification, training keys to implant success. Dent Today 1989 May;8(4):39-44.
Air abrasion of failed bonded metal brackets: a study of shear bond strength and surface characteristics as determined by scanning electron microscopy. Am J Orthod Dentofacial Orthop 1996 Jul;110(1):96-98.
Improving and monitoring autoclave performance in dental practice. Br Dent J 1999 Dec 11;187(11):581-584.
Effects of sterilization and disinfection procedures on the corrosion of orthodontic ligature cutters. Int Orthod 2012 Mar;10(1):1-15.
The effect of sterilization on bending and torsional properties of K-files manufactured with different metallic alloys. Int Endod J 1998 Jan;31(1):48-52.
Soft-tissue response to clinically retrieved titanium cover screws reimplanted in the rat abdominal wall. Int J Oral Maxillofac Implants 1989 Fall;4(3):233-239.
