Search Results For: 'cutting edge'
661.
Strength of Ceramic Brackets in Shear and Torsion Tests
Volume 25 : Number 6 : Page 0 : Jun 1991
Ceramic restorations have been used widely in dentistry, and their brittleness is well documented.1 The effect of brittleness on the clinical durability of ceramic orthodontic brackets, however, has n...
662.
Effect of Prophylaxis Pastes on Shear Bond Strength
Volume 25 : Number 9 : Page 0 : Sep 1991
Orthodontists generally clean enamel surfaces with a slurry of fine flour of pumice, rather than with a prophylaxis paste, prior to acid etching for direct bonding. It is believed that the fluoride co...
663.
MANAGEMENT & MARKETING
The Satellite Practice: Counting the Cost
Volume 25 : Number 11 : Page 0 : Nov 1991
This quarterly series of articles is being written by successful orthodontists who have particular expertise in certain areas of management and marketing (see JCO, August 1991, p. 471). The following ...
664.
Class II Bimaxillary Protrusion Treated with Magnetic Forces
Volume 26 : Number 6 : Page 0 : Jun 1992
Magnetic forces have been incorporated into orthodontic mechanics over the past decade.1-7 Although animal and clinical studies have been encouraging, some clinicians have questioned whether magnetic ...
665.
Shear Bond Strengths of Two Ceramic Brackets
Volume 26 : Number 8 : Page 0 : Aug 1992
Several clinical complications have been associated with the use of ceramic brackets, including attrition of teeth from occlusion with the brackets, increased friction in orthodontic appliances, and r...
666.
THE EDITOR'S CORNER
Deming's Fourteen Points for Orthodontists
Volume 26 : Number 11 : Page 0 : Nov 1992
Deming's Fourteen Points for Orthodontists In 1947, as Gen. Douglas MacArthur reconstructed war-ravaged Japan, he called on an obscure U.S. government statistician to help with the census. Thus began ...
667.
Shear Bond Strengths and Effects on Enamel of Two Ceramic Brackets
Volume 27 : Number 2 : Page 0 : Feb 1993
Because ceramic brackets will not bond chemically with adhesives, manufacturers must use mechanical undercuts, a coating of silica and a silane coupling agent, or both to bond these brackets to enamel...
668.
Indirect Bonding with Adhesive Precoated Brackets
Volume 27 : Number 3 : Page 0 : Mar 1993
Adhesive precoated (APC) brackets have a number of clinical advantages, including consistency and accuracy of positioning, ease of placement, and reduction of chairtime.1 They can be bonded indirectly...
669.
Volume 28 : Number 12 : Page 0 : Dec 1994
1. What is the most efficient method you have used to distalize upper molars? There was a considerable variety of responses from the clinicians: 36% used headgear as their principal distalization mech...
670.
Fixed Piston Appliance for Rapid Class II Correction
Volume 29 : Number 3 : Page 0 : Mar 1995
Most maxillary molar distalizing appliances tend to tip the maxillary first molar crowns distally to an overcorrected Class I position while tipping the molar roots mesially1-6. Unless a supplemental ...
671.
Shear Bond Strengths of Chemically and Light-Cured Resin-Modified Ionomers
Volume 32 : Number 7 : Page 423 : Jul 1998
Despite the widespread usage and highly predictable results of composite resins in bonding to acid-etched enamel, these adhesives have a high degree of technique sensitivity, beginning with the need t...
672.
Simultaneous Intrusion and Retraction of the Anterior Teeth
Volume 32 : Number 9 : Page 535 : Sep 1998
Retraction of the six anterior teeth under the edgewise system is usually carried out in two distinct steps: canine retraction followed by incisor retraction. In the Begg and Tip-Edge techniques, on t...
673.
Glass Ionomer Cement Dressing for Surgically Exposed Impacted Teeth
Volume 33 : Number 1 : Page 45 : Jan 1999
Glass ionomer cements are biocompatible,1-7 can bond to enamel or dentin without etching,5,7-9 and have certain antimicrobial properties.10-13 Therefore, they should fulfill both the biological and th...
674.
Nitinol Total Control: A New Orthodontic Alloy
Volume 33 : Number 10 : Page 563 : Oct 1999
A superior orthodontic archwire has the capability to be deflected over long distances without permanent deformation, is flexible enough to allow the bracket slot to be filled with low force levels, a...
675.
Maxillary Molar Distalization with a Modified Pendulum Appliance
Volume 33 : Number 11 : Page 645 : Nov 1999
Correction of a Class II malocclusion without extractions requires maxillary molar distalization by means of intraoral or extraoral forces.1,2 Although headgears have proven useful in the correction ...
676.
C-Space Regainer for Molar Distalization
Volume 34 : Number 1 : Page 32 : Jan 2000
Various methods for distal movement of the buccal teeth have been suggested. These include headgears, lip bumpers, spacegaining appliances, sliding jigs with Class II elastics, nickel titanium open-co...
677.
CASE REPORT
Extrusion and Alignment of an Impacted Tooth Using Removable Appliances
Volume 36 : Number 7 : Page 379 : Jul 2002
Forced orthodontic eruption of an impacted tooth can be performed with either fixed or removable appliances. Fixed appliances do not require special patient cooperation and can produce precise coronal...
678.
Volume 8 : Number 8 : Page 455 : Aug 2002
Fixed appliance treatment of Class II malocclusions often requires intrusion and retraction of the anterior segment, which, in turn, usually necessitate mechanical reinforcement of posterior anchorage...
679.
Volume 36 : Number 11 : Page 627 : Nov 2002
The methodology and basic results of the 2002 JCO Study of Orthodontic Diagnosis and Treatment Procedures were covered in last month's article, along with trends across the four surveys conducted sinc...
680.
The Ray Set: A New Technique for Precise Indirect Bonding
Volume 36 : Number 11 : Page 648 : Nov 2002
The built-in corrections of the Straight-Wire Appliance* designed by Andrews1 were based on average tooth dimensions; they did not consider individual variations in tooth morphology, whether congenit...
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