orthodontic, orthodontics, orthodontic, orthodontist, orthodontist, ortodoncia, orthodental, ortho  
   
     
  "The Orthodontic Materials Insider" is a quarterly dedicated since 1987 to orthodontic professionals and to the renewal of their habits and tools by ORTHO-CYCLE CO. www.orthocycle.com, a company that services, buys and sells orthodontic appliances.
Editor: Claude G. Matasa, Doctor of Chemical Engineering, Doctor of Technical Sciences, Professor of Oral Bio-Materials
 
 

THE ORTHODONTIC MATERIALS
INSIDER

 
   
   
  (To view articles click on Month)  
 
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  2007   2006  
 
 
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  The bad news: those who handle orthodontic sealants, adhesives and restoratives are exposed to cancer.   Against all warnings, paste dual composites could and should be stored in close contact!  
 
If you prefer to read its web version click HERE !
(faster to open, easier to copy)
 

The good news: with the modern means of today,
sometimes it can be cured.

a. Claude’s PET scan, September 2006 (observe white spot (carcinoma);
b. CT-scan, February 2007

2. “Cyano-” doesn’t always
kill you!
A case in point: the cyanoacrylates

3. Cyanoacrylate primers,
a way to better bonds?

Force (g) needed to debond (peel) Straight Edge™ “mini” brackets from an etched ceramic tile. Adhesives were Phase II™ and Light Bond™ with or without addition of a-ethyl cyanoacrylate (KG) and/or acetone and TEGDM

june_2007
1. “Shear-peel”, peel, tension, torsion or cleavage: Which
one works better for you?

instruments
U.S. Patented debonding instruments (hand/mechanic only)

2. Modeling mechanic debonding with the help of the Velcro™ fastener
model
Image of the model and its geometry

September 2007
1. Even when stars die, their glow persists …
Graber
Thomas M. Graber 1917 - 2007

2. Proper debonding saves money and the environment

Possible consequences of squeezing the bracket in the A (a) and B areas (b & c)


1. Celebrating 20 years of contributions to the science of orthodontic materials.

2. A self-ligation mania?

Books/manuals on self-ligation provided to the trainees.

3. Corrosion and self-ligating brackets.

Egg holder containing self-ligating
brackets and a Fe++ coloring reagent
added to
oil-in-water salad dressing.

4. Materials in self-ligating brackets, yesterday and today

Sketch of In-Ovation C

 



1. Orthodontists are luckier than ocularists...

Discoloration auras generated by potassiumperman-ganate’s (gel)
reaction with leaching
retainers (a) and curedorthodontic adhesives (b)

2. Mending acrylic attachments

Bench bond strength tester in
which a controlled, increasing
weight (water, lead weights) pulls
a wire at the endof which can be
attached various holding devices.


1. Progress made in 30 years
•A very brave man


During three decades, Ortho-Cycle
has saved from being discarded
millions of orthodontic attachments

2. A disdained, tormented duckling has grown to be a swan: Ortho-Cycle Co. at its 30th anniversary


1. Insider's content 2002-2006
"Any orthodontist who does not take advantage of learning from this publication is denying himself
an invaluable resource"
Prof. MM Kuftinec, NY University


2. A
re nonmetal reinforcements acceptable?


The breaking force of 2K glass fiber bundles when:1. uncoated or uncured, 2. cured and bent at 30° and 3. cured,
but with polymer crosslinks interrupted (broken binder).



 


The high energy centrifugal Ferris-wheel machine used at Ortho-Cycle Co.
to burnish attachments
 
Links

Biomaterials International
www.biomateriale.ro


www.uic.edu/depts/dort/ortho.html


American Journal of Orthodontics
& Dentofacial Orthopedics


World Journal of Orthodontics


Journal of Clinical Orthodontics


The Angle Orthodontist

           
 

 
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