Search Results For: 'orthodontics'
2661.
A Miniscrew System with Interchangeable Abutments
Volume 42 : Number 10 : Page 574 : Oct 2008
Orthodontic miniscrews have become increasingly popular in recent years because of their versatility, minimal invasiveness, and low cost.1-6 The effectiveness of conventional miniscrew systems is limi...
2662.
A Survey of Patient Opinions on Fixed vs. Removable Retainers
Volume 43 : Number 12 : Page 0 : Dec 2009
As many as two-thirds of all patients will demonstrate moderate-to-severe relapse within 10 years after orthodontic treatment.1 As a result, patients are becoming both more aware and more accepting of...
2663.
CASE REPORT
Management of Horizontally Impacted Mandibular Canines in a Skeletal Class II Malocclusion
Volume 54 : Number 5 : Page 277 : May 2020
A 15-year-old patient with “kissing” lower canines is treated without surgery by extracting the horizontally impacted teeth and using a fixed functional Class II corrector to address the skeletal problem. The case is finished to a skeletal Class I and dental Class III relationship.
2664.
CASE REPORT
Optiflex Archwire Treatment of a Skeletal Class III Open Bite
Volume 26 : Number 4 : Page 0 : Apr 1992
Optiflex is a new orthodontic archwire that I designed to combine unique mechanical properties with a highly esthetic appearance (Fig. 1). Made of clear optical fiber, it comprises three layers (Fig. ...
2665.
CASE REPORT
Delayed Development of a Maxillary Left Second Premolar
Volume 36 : Number 5 : Page 291 : May 2002
This report describes a multiyear delay in the development and eruption of an upper left second premolar in a Class II, division 1 patient treated with headgear and fixed orthodontic appliances in t...
2666.
A Fixed Reverse Labial Bow for Moderate Class III Interceptive Treatment
Volume 37 : Number 1 : Page 42 : Jan 2003
The treatment of skeletal Class III malocclusion, particularly in the late deciduous or early mixed dentition, is one of the most challenging problems confronting the orthodontist. These patients freq...
2667.
CASE REPORT
Delayed Eruption of a Maxillary Second Premolar Due to a Late Bud
Volume 41 : Number 10 : Page 597 : Oct 2007
Delayed eruption of permanent teeth has been attributed to local, systemic, and genetic factors,1-7 but only a few cases of delayed eruption due to late bud development have been reported. Silva Filho...
2668.
Biomechanical Considerations in Treatment with Miniscrew Anchorage, Part 3: Clinical Cases
Volume 42 : Number 6 : Page 329 : Jun 2008
In two previous articles (JCO, February 2008 and March 2008), we described biomechanical variations that may occur during the retraction of anterior teeth using skeletal anchorage. The present article...
2669.
THE READERS' CORNER
Smile Analysis and Emergency Appointments
Volume 42 : Number 1 : Page 29 : Jan 2008
1. Do you analyze the patient's smile as part of your diagnosis? If so, briefly describe your method. The overwhelming majority of respondents said they did analyze patients' smiles. This was usually ...
2670.
OVERVIEW
The T-Zone: Median vs. Paramedian Insertion of Palatal Mini-Implants
Volume 50 : Number 9 : Page 0 : Sep 2016
(Editor’s Note: In this regular column, JCO provides an overview of a clinical topic of interest to orthodontists. Contributions and suggestions for future subjects are welcome.) Mini-implants have be...
2671.
CASE REPORT
Molar Intrusion Using Miniscrew Palatal Anchorage
Volume 46 : Number 8 : Page 493 : Aug 2012
The hyperdivergent profile that typically leads to anterior open bites is one of the most complex malocclusions facing orthodontists. It is often characterized by excessive maxillary posterior dentoal...
2672.
Volume 58 : Number 7 : Page 20240701 : Jul 2024
This cross-sectional retrospective study utilizes the PES to assess the appearance of the gingiva after Invisalign therapy in 20 patients with unilateral palatally impacted canines. The contralateral canines are used as controls.
2673.
A New Mechanism for Retracting Anterior Teeth with No Loss of Anchorage
Volume 8 : Number 7 : Page 408 : Jul 1974
The Levis Retraction Assembly consists of a face-bow and a specially designed retraction arch to retract anterior teeth by means of occipital anchorage exclusively. The Retraction Arch The retraction ...
2674.
CASE REPORT
Full-Arch Open Bite Resulting from Second-Molar Overeruption During Clear Aligner Treatment
Volume 58 : Number 1 : Page 59 : Jan 2024
A 12-year-old patient misunderstands her aligner instructions, leading to supraeruption of the second molars and development of a posterior open bite between appointments. The issue is solved by prescribing a new set of aligners with reinforced plastic on the second molars’ occlusal surfaces.
2675.
Volume 2 : Number 10 : Page 0 : Oct 1968
We have all heard it stoutly maintained that the intercuspid width is inviolate and that any expansion will result in ultimate collapse. To which, I should like to ask the question: When are we going ...
2676.
Modified Nance Appliance for Cases with Missing Anterior Teeth
Volume 28 : Number 1 : Page 0 : Jan 1994
Patients who present with missing anterior teeth usually have fixed or removable prostheses. Because anterior bridgework can interfere with tooth alignment, it often must be removed prior to orthodont...
2677.
A Technique to Prevent Surface Contamination of Etched Enamel
Volume 30 : Number 3 : Page 0 : Mar 1996
I t has been recommended that a thin layer of primer be applied to the entire etched enamel surface before bonding to seal the enamel, protect it from decay, and provide maximum bond strength.1-3 If t...
2678.
Modified Quad Helix for Class III Treatment
Volume 32 : Number 10 : Page 626 : Oct 1998
Skeletal Class III discrepancies can be treated in growing patients with facial masks to protract the maxilla1 or chin cups to restrain mandibular growth.2 Orthopedic appliances such as the Fränkel FR...
2679.
Infection Control for Curing Lights
Volume 34 : Number 8 : Page 484 : Aug 2000
With the increasing popularity of light-cured adhesives, the curing light has become a standard item in many orthodontic offices. Several types of barrier covers have been introduced to prevent contac...
2680.
Correction of Single-Tooth Rotations with Rotating Springs
Volume 34 : Number 11 : Page 656 : Nov 2000
Rotations often cause difficulty in finishing fixed orthodontic treatment. Although rotating springs1 are commonly used in the Begg2-5 and Tip-Edge*6 techniques, most preadjusted and standard edgewis...
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