Search Results For: 'orthodontics'
3941.
THE EDITOR'S CORNER
Volume 23 : Number 7 : Page 0 : Jul 1989
First Things FirstPeter Drucker has told us in his book, Innovation and Entrepreneurship, that the lead time for knowledge to become applicable technology and then to be accepted in the market is 25 t...
3942.
Evaluation of Maxillary Disjunction with Bone Densitometry
Volume 26 : Number 2 : Page 0 : Feb 1992
Many studies have been conducted to investigate the changes that occur in the maxillary arch and at the midpalatal suture during rapid palatal expansion.1 Experiments on pigs2 and monkeys3,4 have show...
3943.
THE EDITOR'S CORNER
Consumer's Guide to Good Dental Care
Volume 26 : Number 12 : Page 0 : Dec 1992
Consumer's Guide to Good Dental CareThe September 1992 issue of Consumer Reports included a section entitled "A Guide to Good Dental Care". It reported on four dental product categories: toothpastes, ...
3944.
Shear Bond Strengths of Three New Ceramic Brackets
Volume 27 : Number 10 : Page 0 : Oct 1993
The bond strengths achieved with first-generation ceramic brackets have reportedly been high enough to cause significant enamel damage on debonding, especially in teeth with large restorations, distin...
3945.
New Torquing Turret for TMA Wire
Volume 27 : Number 11 : Page 0 : Nov 1993
Titanium Molybdenum Alloy (TMA) has a modulus of elasticity approximately 40% that of stainless steel.1 A loop formed in TMA wire will have 40% of the load-deflection rate and 2.2 times the range of a...
3946.
A Fixed-Removable Herbst Appliance
Volume 28 : Number 4 : Page 0 : Apr 1994
The Herbst appliance has gained great popularity among orthodontists because it works 24 hours per day, requires minimal patient cooperation, shortens treatment time, and reduces the need for orthogna...
3947.
Comparison of In-Office vs. Commercial Laboratories
Volume 28 : Number 6 : Page 0 : Jun 1994
This article will examine the benefits and disadvantages of an in-office laboratory vs. a commercial laboratory, according to three criteria: economics, quality, and service. Before such an analysis c...
3948.
THE EDITOR'S CORNER
If the Staff Ain't Happy . . .
Volume 39 : Number 3 : Page 121 : Mar 2005
Over the 25 or so years I have been in practice, I've come to divide my days at work into four categories. These were developed in an entirely unscientific manner, based on a daily routine that grew o...
3949.
THE EDITOR'S CORNER
Volume 39 : Number 9 : Page 509 : Sep 2005
Last month, the Editor's Corner touched on the touchy subject of limited treatment, with particular emphasis on those cases in which the patient's wishes may not be in agreement with the doctor's best...
3950.
Overlay Mechanics with the Tip-Edge PLUS Bracket, Part 2: Class II and III Nonextraction Treatment
Volume 40 : Number 7 : Page 0 : Jul 2006
In conventional nonextraction treatment, using elastics for anchorage, orthodontists have found it challenging to maintain mandibular incisor positions in Class II cases or maxillary incisor control i...
3951.
THE EDITOR'S CORNER
Another Solution for Single-Tooth Ectopias
Volume 42 : Number 6 : Page 321 : Jun 2008
Single-tooth ectopias can be extraordinarily frustrating. Clinical problems associated with individual teeth in linguo- or palatoversion include difficulty in attaining a suitable purchase on the toot...
3952.
A Multipurpose Retraction Clip for Sliding Mechanics
Volume 46 : Number 8 : Page 499 : Aug 2012
Many orthodontists today use low-friction brackets designed for sliding mechanics.1-5 Although chain elastic is often applied for canine and anterior tooth retraction, it produces relatively high fric...
3953.
Class II Correction with an Edgewise-Modified Nance Appliance
Volume 31 : Number 3 : Page 178 : Mar 1997
Many appliances have been introduced in the past decade for treating Class II malocclusions without the need for patient cooperation. These include a modified Nance,1 repelling magnets,2-4 nickel tita...
3954.
Immediate Reactivation of a Modified Haas Expander after Full Screw Expansion
Volume 42 : Number 1 : Page 43 : Jan 2008
Although rapid maxillary expansion is widely used for patients with transverse growth deficiencies,1 a single expansion device may not be sufficient for complete correction of a severe case.2-4 This a...
3955.
Volume 42 : Number 3 : Page 144 : Mar 2008
In a previous article (JCO, February 2008), we described some biomechanical variations that may occur in the sagittal plane during the retraction of anterior teeth with miniscrew anchorage. The presen...
3956.
Space Closure in Patients with Missing Mandibular Incisors
Volume 42 : Number 8 : Page 0 : Aug 2008
When a patient presents with missing teeth, a decision must be made whether to open or close the spaces. In a case with a missing mandibular incisor, treatment considerations include esthetics, occlus...
3957.
Debonding Ceramic Brackets: Effects on Enamel
Volume 25 : Number 8 : Page 0 : Aug 1991
Since the introduction of acid-etch direct bonding, various investigators have reported loss of enamel due to etching and debonding.1-6 With the advent of ceramic brackets, a new concern over enamel l...
3958.
Volume 25 : Number 9 : Page 0 : Sep 1991
Topics are non-acceptance of treatment and ceramic brackets.1. What do you do to avoid failed appointments at the first appointment? the records appointment following initial consultation? the case pr...
3959.
THE READERS' CORNER
Lower Molar Distalization and Retention
Volume 38 : Number 7 : Page 379 : Jul 2004
To move lower molars distally or to preserve lower molar anchorage, which of the following do you use, and how effective would you rate these methods? Respondents were asked to indicate any of a numbe...
3960.
THE READERS' CORNER
Volume 49 : Number 12 : Page 803 : Dec 2015
(Editor's Note: The Readers' Corner is a regular feature of JCO in which orthodontists share their experiences and opinions about treatment and practice management. Questions are sent periodically to JCO subscribers selected at random, and the responses are summarized here. This month's column is the first in a series revisiting past Readers' Corner topics to examine changes in the profession over the intervening years; in this case, the same questions on fees and retention appeared in the April and July 2004 issues, respectively.)
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