Search Results For: 'orthodontics'
3861.
A New Low-Friction Ligation System
Volume 39 : Number 8 : Page 464 : Aug 2005
Many factors can contribute to the frictional resistance of edgewise appliances,1-7 including bracket and wire materials and cross-sections, surface conditions of the archwires and bracket slots, torq...
3862.
CASE REPORT
Eruption of an Impacted Maxillary Central Incisor with an Unusual Dilaceration
Volume 40 : Number 6 : Page 0 : Jun 2006
Dilacerations are most common in the maxillary anterior region,1 occurring in an estimated 3% of the adult population and in six times as many females as males.2 Trauma has been suggested as an etiolo...
3863.
En-Masse Distalization with Miniscrew Anchorage in Class II Nonextraction Treatment
Volume 40 : Number 8 : Page 0 : Aug 2006
Sagittal movement of the dentition in nonextraction cases is often difficult and time-consuming. The intermaxillary elastics used in Class II or Class III treatment require long-term cooperation, and ...
3864.
Controlling Erupted and Unerupted Permanent Teeth in the Mixed Dentition with Preadjusted Appliances
Volume 40 : Number 8 : Page 485 : Aug 2006
Deciduous teeth play an important role in the development of malocclusion. For example, a lateral crossbite can lead to asymmetrical mandibular growth; spacing and early loss of deciduous teeth can ca...
3865.
Upper Molar Distalization with a Miniscrew-Supported Distal Jet
Volume 40 : Number 11 : Page 0 : Nov 2006
Conventional anchorage for an exclusively intraoral maxillary molar distalizing appliance (a "non-compliance" distalizer) is derived from a combination of dental support (such as the first or second p...
3866.
The Rationale for Maxillary Second Premolar Extractions in Adult Class II Treatment
Volume 41 : Number 8 : Page 0 : Aug 2007
Most Class II, division 1 and 2 malocclusions are amenable to nonextraction treatment in the late mixed dentition. In these patients, the maxillary arch can usually be adapted to the mandibular arch w...
3867.
Vertical Control in Nonextraction Treatment of Growing Patients with Anterior Skeletal Open Bite
Volume 42 : Number 8 : Page 0 : Aug 2008
In this article, we describe how open-bite malocclusions and lower anterior skeletal excess can be treated with a combination of fixed (transpalatal bar1) and removable (high-pull headgear) appliances...
3868.
A Quick Fix for Pseudo-Class III Correction
Volume 42 : Number 12 : Page 0 : Dec 2008
Pseudo-Class III malocclusion is usually diagnosed in a patient with an anterior functional shift of the mandible resulting from lingually inclined maxillary incisors.1,2 When the mandible is manipula...
3869.
Considerations in Mandibular Incisor Extraction Cases
Volume 43 : Number 1 : Page 45 : Jan 2009
Tooth-size-arch-length discrepancy, or arch crowding, has traditionally been managed by means of first or second premolar extractions; first or second molar extraction is a less common approach.1 Inci...
3870.
Reprogramming the Memory of Superelastic Nickel Titanium Archwires
Volume 43 : Number 2 : Page 0 : Feb 2009
Superelastic nickel titanium archwires can be used effectively in many orthodontic patients.1-6 The major disadvantage of these wires is their inability to be adjusted during the course of treatment. ...
3871.
Correction of Posterior Crossbite with a Nickel Titanium Appliance and Indirect Skeletal Anchorage
Volume 43 : Number 2 : Page 106 : Feb 2009
The "dragon helix" appliance was developed for correction of crossbite through simultaneous intrusion and palatal tipping of the affected teeth using indirect skeletal anchorage.1 The original version...
3872.
Retention of Thermoformed Aligners with Attachments of Various Shapes and Positions
Volume 43 : Number 2 : Page 0 : Feb 2009
Removable clear aligners such as Invisalign*, Red, White and Blue**, and Simpli5** are increasingly being used for orthodontic tooth movement. Although each of these systems has been used successfully...
3873.
CASE REPORT
Multidisciplinary Treatment of an Avulsed Central Incisor
Volume 44 : Number 4 : Page 245 : Apr 2010
This article shows a failed attempt at central incisor reimplantation after traumainduced avulsion. The case emphasizes how the likelihood of successful recovery from dentoalveolar trauma can be reduc...
3874.
Etching Masks for Precise Indirect Bonding
Volume 44 : Number 5 : Page 326 : May 2010
Indirect bonding techniques offer numerous advantages over direct bonding,1 especially with self-ligating brackets. One disadvantage is the potential buildup of hard-to-remove flash at the bracket bas...
3875.
CASE REPORT
Surgical-Invisalign Treatment of a Patient with Class III Malocclusion and Multiple Missing Teeth
Volume 44 : Number 6 : Page 377 : Jun 2010
Recent advances in the Invisalign technique1--particularly attachment designs that improve three-dimensional control of tooth movement--have resulted in new treatment strategies for patients who need ...
3876.
Early Treatment of Skeletal Class III Open Bite with the Tandem Appliance
Volume 45 : Number 6 : Page 308 : Jun 2011
Dentofacial deformities characterized by midfacial deficiency or true mandibular prognathism are difficult to manage nonsurgically, particularly when a hyperdivergent mandibular growth pattern creates...
3877.
A Protocol for Evaluating Condylar Position in Symptomatic TMD Patients
Volume 45 : Number 10 : Page 560 : Oct 2011
Assessment of condylar position in symptomatic TMD patients is critical to their diagnosis and treatment. Farrar and McCarthy suggested that condylar retroposition is a predisposing factor to the deve...
3878.
Locking the Screw after Rapid Palatal Expansion: A Superfluous Procedure?
Volume 45 : Number 12 : Page 657 : Dec 2011
The rapid palatal expander (RPE) is widely used to correct maxillary constriction. Clinically, there are only a few differences among the various expansion protocols, including the number and frequenc...
3879.
Extrusion of Impacted Teeth Using Mini-Implant Mechanics
Volume 46 : Number 3 : Page 150 : Mar 2012
Treatment of impacted teeth usually comprises three phases: surgical exposure and bonding of an attachment, eruption of the impacted tooth by application of an extrusive force, and three-dimensional o...
3880.
Miniscrew-Retained Pontics in Growing Patients: A Biological Approach
Volume 46 : Number 10 : Page 638 : Oct 2012
Two options are available for treating patients with agenesis of the upper lateral incisors: space closure followed by reshaping of the canines that will function as lateral incisors, or space mainten...
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