Search Results For: 'orthodontics'
3481.
Molar Uprighting with Crossed Tipback Springs
Volume 26 : Number 6 : Page 0 : Jun 1992
Several problems can occur as a result of the loss of a lower first molar, including mesial tipping of the second and third molars, distal migration of the premolars, elongation of the opposing molar,...
3482.
Indirect Fabrication of a Bonded Lower Lingual Retainer
Volume 26 : Number 7 : Page 0 : Jul 1992
Various methods have been proposed for retaining the lower labial segment after removal of fixed appliances.1-21 One of the most popular is the 3-3 bonded lingual retainer.22 Such a retainer can be co...
3483.
Reducing Failures of Gold Chain Attachment to Impacted Teeth
Volume 27 : Number 3 : Page 0 : Mar 1993
Palatally erupting maxillary canines and ectopic incisors often require orthodontic guidance or traction to assist their eruption into functional occlusion. A correct diagnosis of the impacted tooth's...
3484.
Uprighting Fully Impacted Mandibular Second Molars
Volume 29 : Number 5 : Page 0 : May 1995
Mandibular second molars erupt as a result of remodeling changes at the anterior border of the ramus1 after self-adjustments of their predetermined mesial axial inclinations.2 However, a lack of space...
3485.
Angulation Indicators for Precise Placement of Preangulated Brackets and Tubes
Volume 29 : Number 7 : Page 0 : Jul 1995
Anchorage preparation was first advocated by Tweed, who recommended placing tipback bends in the mandibular archwire to increase the distoaxial inclination of the buccal segments.1-3 Holdaway suggeste...
3486.
Maxillary Expander Using Light, Continuous Force and Autoblocking
Volume 30 : Number 4 : Page 0 : Apr 1996
Maxillary expanders with varying force levels have been developed for orthodontic use, with durations of application ranging from one month (with rapid maxillary expansion1) to two to four months (wit...
3487.
Frictional Characteristics of a Modified Ceramic Bracket
Volume 30 : Number 9 : Page 516 : Sep 1996
Ceramic brackets were developed to improve esthetics during orthodontic treatment. In clinical use, however, they have displayed problems including brittleness leading to bracket or tie-wing failure,1...
3488.
Active Tooth Movement with Essix-Based Appliances
Volume 31 : Number 2 : Page 109 : Feb 1997
The removable Essix* appliance, in addition to its role as an orthodontic retainer, can be used for active minor tooth movements. Sheridan has described two methods for moving teeth--one with divots a...
3489.
Tooth Replacement with a Multibracket Appliance
Volume 31 : Number 12 : Page 814 : Dec 1997
Patients with missing anterior teeth commonly wear temporary fixed or removable appliances for esthetic purposes until the space is closed orthodontically or a final prosthesis can be placed. A remova...
3490.
CASE REPORT
Correction of Anterior Crossbite with a Combination Technique
Volume 32 : Number 9 : Page 557 : Sep 1998
The Multiloop Edgewise Archwire (MEAW) was developed by Kim for uprighting and distalizing posterior teeth.1 This case report describes an esthetic and effective use of the MEAW, in conjunction with l...
3491.
Clinical Application of the Tongue Elevator
Volume 36 : Number 2 : Page 104 : Feb 2002
Most Class III malocclusions are characterized by protrusive mandibles and low tongue posture. There is some disagreement among researchers whether the overgrowth of the mandible causes the low tongue...
3492.
Volume 37 : Number 3 : Page 156 : Mar 2003
It is well established that the Herbst* appliance corrects Class II molar relationships through a combination of skeletal and dental changes brought about by a forward positioning of the mandible.1-7 ...
3493.
Volume 38 : Number 5 : Page 288 : May 2004
The major disadvantage of using stainless steel ligatures for space closure is that their force dissipates almost immediately, requiring frequent reactivation. Elastic chain or thread demonstrates fat...
3494.
THE CUTTING EDGE
Internet-Based Treatment Planning and Communications
Volume 40 : Number 9 : Page 0 : Sep 2006
In our last column (JCO, May 2006), Charles Lewis presented one company's approach to Internet-based orthodontic program delivery. Here is another alternative. Dr. Claude Boutin of Calgary, Alberta, r...
3495.
The Transverse Sagittal Maxillary Expander
Volume 41 : Number 7 : Page 0 : Jul 2007
The treatment plan for a patient with maxillary hypoplasia depends on the clinical manifestation of the malocclusion in the sagittal, transverse, and vertical planes.1 Studies have confirmed that ante...
3496.
A Modified Method of Bonding Lingual Retainers
Volume 42 : Number 2 : Page 105 : Feb 2008
Various transfer materials have been proposed for indirect bonding of multistranded stainless steel wire retainers,1 including silicone-based impression trays,2 vacuum-formed thermoplastic trays,3,4 s...
3497.
CASE REPORT
Treatment of Class III Anterior Crossbite Using Güray Bite Raisers
Volume 42 : Number 5 : Page 297 : May 2008
Class III malocclusion may be associated with mandibular prognathism, maxillary retrognathism, or both.1-7 Class III maxillary retrognathism generally involves anterior crossbite, which must be opened...
3498.
A New Spring for Correction of Maxillary Canine-Premolar Transposition
Volume 42 : Number 5 : Page 303 : May 2008
The JOB Spring (the acronym is formed from the names of the last three authors of this article) was developed to facilitate correction of partial canine-first premolar transposition in the maxillary a...
3499.
CASE REPORT
Volume 42 : Number 10 : Page 0 : Oct 2008
Tooth fractures that extend subgingivally can be difficult to treat. The crown of the fractured tooth may be too short to allow placement of an artificial crown, or an artificial crown may be esthetic...
3500.
Volume 44 : Number 11 : Page 693 : Nov 2010
Traditional crimpable archwire hooks are easily displaced and can even cause distortion of the archwire during their placement. We Have developed a simple modification that avoids these drawbacks. Pla...
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