Search Results For: 'orthodontics'
3301.
Elastic Traction with Essix-Based Anchorage
Volume 36 : Number 1 : Page 46 : Jan 2002
Sheridan and colleagues have developed the Essix* appliance as a passive retainer and as a device for active minor tooth movement.1,2 Previously, we published clinical cases showing the use of Essix-b...
3302.
A New Wraparound Retainer Design
Volume 36 : Number 9 : Page 524 : Sep 2002
One disadvantage of the conventional Hawley retainer1 is that the wire traverses the occlusion between the canines and the first premolars, where it can cause interferences that may disturb the form ...
3303.
TECHNIQUE CLINIC
Flowable Composites for Bonding Lingual Retainers
Volume 36 : Number 10 : Page 597 : Oct 2002
Bonded lingual retainers are commonly made from multistranded wires. To obtain the best handling characteristics, many practitioners thin their composite mixtures,1 but still have some difficulty app...
3304.
Uprighting Second Molars with Micro-Implant Anchorage
Volume 38 : Number 2 : Page 100 : Feb 2004
When there is an arch-length discrepancy in the posterior segments, the lower second molars tend to erupt lingually, producing a posterior crossbite.1-7 Criss-cross elastics can be used to simultaneou...
3305.
CASE REPORT
Early Treatment of Anterior Crossbite with an Essix-Based Appliance
Volume 38 : Number 3 : Page 161 : Mar 2004
The Essix appliance* is an esthetic removable device thermoformed from plastic copolyester material and retained without clasps by the natural undercuts of the contact points. Two sheets of plastic ma...
3306.
CASE REPORT
Volume 40 : Number 7 : Page 0 : Jul 2006
This article describes a quick and simple method to correct a scissor bite using 2D lingual brackets, a nickel titanium wire segment, and fiber-reinforced composites (FRCs) for anchorage reinforcement...
3307.
Uprighting Mandibular Second Molars with Direct Miniscrew Anchorage
Volume 41 : Number 10 : Page 627 : Oct 2007
Partial or total impaction of the mandibular second molar is relatively rare, occurring in only .3% of the general population and 2-3% of orthodontic patients.1,2 Causes may include arch-length defici...
3308.
The Effect of Gingival-Margin Design on the Retention of Thermoformed Aligners
Volume 46 : Number 11 : Page 697 : Nov 2012
Thermoformed aligners provide an esthetic, comfortable, easy, and hygienic alternative to conventional orthodontic appliances.1 Although widespread marketing has increased the popularity of removable ...
3309.
CASE REPORT
Mandibular Arch Retraction with Retromolar Skeletal Anchorage in a Class III Open-Bite Patient
Volume 48 : Number 12 : Page 775 : Dec 2014
The retromolar area has been recommended for mini-implant placement because of its thick cortical bone and lack of vital structures.1-3 Skeletal anchorage from this region allows teeth to be moved ove...
3310.
Treatment of Pseudo-Class III Malocclusion with a Modified Reverse Twin Block and Fixed Appliances
Volume 49 : Number 7 : Page 470 : Jul 2015
Pseudo-Class III malocclusion refers to a patient with an anterior functional shift of the mandible resulting from premature contact between lingually inclined maxillary incisors.1-4 Moyers described ...
3311.
Space Regaining with Modified Palatal Anchorage Plates
Volume 49 : Number 9 : Page 0 : Sep 2015
Space regaining is an important treatment modality for eruption guidance. Shalish and colleagues reported that space regaining and the removal of obstructions can facilitate spontaneous eruption of impacted premolars. Although several devices have been developed to regain space through molar distalization, these methods may result in anchorage loss, incisor proclination, and a slight increase in vertical facial dimension. Koutzoglou and Kostaki reported a relationship between rapid palatal expansion and the natural eruption of impacted canines, but maxillary expansion has also been related to a loss of height and thickness of buccal alveolar bone at the anchorage teeth.
3312.
LETTERS
Articulator Mounting and Intraoral Scanners
Volume 50 : Number 12 : Page 717 : Dec 2016
I read with interest the October 2016 Editor's Corner by Dr. Robert Keim on plaster models vs. digital ones. Dr. Keim mentioned that trimming the handheld models so that they lay in maximum intercuspa...
3313.
Lower-Molar Distalization with Mini-Implant Anchorage in Asymmetrical Class II Cases
Volume 51 : Number 2 : Page 0 : Feb 2017
About half of all Class II malocclusions are asymmetrical. If the upper molar is mesially displaced, the maxillary midline will deviate toward the Class I side, and treatment will require either extraction of one upper premolar or distal molar movement on the Class II side. In 61% of asymmetrical Class II cases, however, where the lower molar is distally displaced, the maxillary midline will match the medium sagittal plane, but the mandibular midline will deviate toward the Class II side. If the profile is convex, asymmetrical extractions (two upper premolars and one lower premolar on the Class I side) are generally used for correction. Another option is to extract four premolars, but this will extend treatment time.
3314.
BOOK REVIEWS
Etiology-Based Dental and Craniofacial Diagnostics
Volume 51 : Number 3 : Page 166 : Mar 2017
INGER KJAER, DDS, DrOdont, DrMed 256 pages. $129.99. 2016.Wiley Blackwell, 1 Wiley Drive, Somerset, NJ 08875.(800) 225-5945; www.wiley.com. This textbook by Dr. Inger Kjaer differentiates itself from ...
3315.
Spring-Assisted Molar Intrusion in Clear-Aligner Treatment
Volume 51 : Number 5 : Page 270 : May 2017
Although fixed appliances with either continuous or segmented archwires are an effective method of intruding teeth, extrusion of the adjacent anchorage teeth is inevitable in most cases. In recent yea...
3316.
Intrusion of Maxillary Posterior Teeth to Correct a Severe Anterior Open Bite
Volume 51 : Number 6 : Page 326 : Jun 2017
This clinical study was designed to evaluate the effects of a simple appliance for intrusion of upper posterior teeth in non-growing patients with severe anterior open bite, using miniscrew anchorage. Cone-beam computed tomography was used for pre- and post-intrusion measurements of 15 subjects. Two representative cases are shown.
3317.
PEARLS
A Simple Glue-Tray Guide for Precise Miniscrew Insertion
Volume 51 : Number 6 : Page 361 : Jun 2017
This Pearl demonstrates a guide for more accurate insertion of miniscrews, using a transfer tray made from glue as described in an indirect-bonding technique. The simple glue tray provides three-dimensional orientation and stabilizes the manual driver during placement, with the precise location of the miniscrew confirmed by a periapical radiograph.
3318.
PEARLS
Virtually Eliminating Undercuts in Invisalign's ClinCheck
Volume 52 : Number 1 : Page 51 : Jan 2018
Posterior restorations can result in undercuts that cause the edges of Invisalign trays to fold inward, making it difficult to insert or remove aligners. This Pearl from Dr. Cetta shows how to use ClinCheck to alter the shape of the simulated gingiva around such a restoration.
3319.
PEARLS
Fixed Retainers with Bonded Pontics
Volume 52 : Number 3 : Page 171 : Mar 2018
Retaining the opened space for permanent replacement of missing teeth poses an esthetic challenge, especially in young patients who eat lunch at school. In this simple technique, the authors bond temporary anterior pontics to a fixed retainer wire for a quick, in-office solution.
3320.
PEARLS
Mini-Implants as Bone Maintainers
Volume 53 : Number 8 : Page 479 : Aug 2019
Vertically positioned miniscrews with pontics have long been used for tooth replacement in adolescent patients. This Pearl offers a variation of that technique, describing the insertion of a horizontal miniscrew beneath a Maryland bridge to halt the progression of alveolar ridge atrophy.
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