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LOGO Orthodontic Bone Anchors Parameters for Success.

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Presentation on theme: "LOGO Orthodontic Bone Anchors Parameters for Success."— Presentation transcript:

1 LOGO Orthodontic Bone Anchors Parameters for Success

2 Your site here LOGO 1. OBA history – MK I MK II 2. Delayed versus immediate loading 3. Common indications 4. Conclusion

3 Your site here LOGO tube

4 Your site here LOGO bracket

5 Your site here LOGO - slot

6 Your site here LOGO Mommaerts M, Correia P, Nuttens S. Experiencia clinica com o “Ortho Bone Anchor – OBA” – Relatorio Preliminar Rev Port Estomat Med Dent Cir Maxilofac 42: , 2001 Publications on MK I Mommaerts MY, Michiels ML, De Pauw GA. A 2-year outcome audit of a versatile orthodontic bone anchor. J Orthod. 32: , 2005

7 Your site here LOGO  Placement between 2000 & 2002  Follow-up till 2004  18 patients  35 OBA’s Results of MK I study 8,6% premature loss

8 Your site here LOGO Subtitle Conclusions of MK I study Bayonet shaping of neck Diminishing height of coronal screw head Protection by fixed appliances Texturising of fixation part

9 Your site here LOGO 1. OBA history 2. Delayed versus immediate loading with MK II 3. Parameters for success 4. Conclusion

10 Your site here LOGO Location Mandible: 31 4 Maxilla: Removed OBAs Distal to 2,3,4Distal to 5,6,7 Piriform apertureZygomatic crest

11 Your site here LOGO Delayed versus immediate loading Delayed maxilla Immediate maxilla Delayed mandible 5mm (11): 1 7mm (4): mob+infl mm (46): 7 7mm (8): mm (30): 5 7mm (13): mob+infl 1 lost mob 1523 Immediate mandible Mobile screws upon removal Premature loss # Years in situ Removed OBAs Always 5mm coronally Always coronal No inflam response

12 Your site here LOGO 1. OBA history 2. Delayed versus immediate loading 3. Common indications 4. Conclusion

13 Your site here LOGO Indications (all OBAs in situ > 3 m)

14 Your site here LOGO most common indication

15 Your site here LOGO 2 anchors for closing diastemas in 4 q!

16 Your site here LOGO

17 Your site here LOGO 1. OBA history 2. Delayed versus immediate loading 3. Indications 4. Conclusion MK II study

18 Your site here LOGO Coronal 5mm screws are vulnerable No big difference between immediate & delayed loading in mandible 2 important

19 Your site here LOGO Simple hook = workhorse March 2003 October 2005

20 Your site here LOGO Brackets in special cases

21 Your site here LOGO Better pull than push!

22 Your site here LOGO Do not remove a mobile OBA too quickly! April 2002 October 2003

23 Your site here LOGO Incision not necessarily in fixed gums!

24 LOGO Thank you!


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