Join me for this years Northcroft lecture by Johnathan Sandler. Johnathan describes his experience with 6 pieces of research over his career
Magnets used for impacted teeth – Sandler 1989, 1991
o Discussion with Johnathan Sandy, investigated safety and rust
o Used for canines, central and multiple impacted teeth
o Establish realistic goals – Editorial Kokich
Class 2 twinblock study – Kevin O’Brien 2003
o Investigate claims that early treatment Reduce extractions, avoid later treatment, better outcomes – found not to be true
o However Improved psychosocial outcomes and reduced risk of trauma only
o Self esteem improved
o Facial attractiveness judged better – 5th paper
o Dewel award 2008 AAO
Archwire sequence Mandal 2006
o 016 NiTi, 18×25 NiTi, 19×25 SS
o 016NiTi, 016SS, 020 SS, 19x25SS
o 16×22 HAUNT, 19×25 HAUNT, 19x25ss
o No difference in discomfort, no difference in root resorption, 016NiTi, 18X25NiTi, 19x25SS quickest duration
Photography Mandal 2002
o Are photographs reliable for referrals
o Yes reliable with 8 clinicians assessing referrals
Quality of photography
o Variation of person, medical photographer, nurses, orthodontist
o Extra oral – no difference in quality
o Intra oral – orthodontist quality greater than any other person
Mid-palatal implants Vs Headgear RCT Benson 2007
o Maximum anchorage cases
o Implant Vs headgear
o No difference in duration
o No difference in PAR score
o Absolute anchorage achieved with implant
Investigate headgear, Nance, TADs RCT Sandler 2014
o 3 arm multicentre RCT
o Novel method to assessing molar tooth movement
o Best PAR score TADs groups
o No difference in molar position
o Patients recommended Nance and TADs, headgear least popular
o Discomfort levels similar TADs / Nance
o AJODO Turpin award 2015
