Search Results For: 'orthodontics'
2741.
PEARLS
Palatal Clips for Canine Retraction
Volume 46 : Number 1 : Page 40 : Jan 2012
In space-closure cases, canines are generally retracted with either frictional (sliding) or nonfrictional (closing-loop) mechanics.1,2 We have devised a simple method for lingual traction of protrusiv...
2742.
An Uprighting Auxiliary for Deeply Impacted Mandibular Molars
Volume 47 : Number 4 : Page 255 : Apr 2013
Ectopic impaction of mandibular second molars is a rare and challenging dental anomaly, often requiring a multidisciplinary treatment approach.1-5 Solutions involving surgical repositioning alone have...
2743.
PEARLS
A Landmark for Monitoring the Progress of a Bonded Palatal Expander
Volume 47 : Number 4 : Page 260 : Apr 2013
The bite-block rapid maxillary expander, introduced by McNamara,1 is widely used in orthodontic practice for its ability to control molar extrusion in hyperdivergent patients through muscle-tone activ...
2744.
TECHNIQUE CLINIC
Single-Tooth Intrusion with a Cross Tube and a Cantilever Spring
Volume 47 : Number 7 : Page 427 : Jul 2013
An auxiliary spring is sometimes needed during orthodontic treatment to perform intrusion or a similar tooth movement. If there is no auxiliary tube on the molar band, we use a cross tube* (A) to supp...
2745.
A Fixed Extrusion Appliance for Fractured Anterior Teeth
Volume 47 : Number 10 : Page 603 : Oct 2013
Saving a tooth with a subgingival fracture can be a complex procedure involving a multidisciplinary effort1 and considerable stress to the patient. According to Jain and colleagues, surgical repositio...
2746.
TECHNIQUE CLINIC
Closure of Relapsed Spaces with Lingual Buttons
Volume 47 : Number 12 : Page 736 : Dec 2013
Anterior spacing often relapses after comprehensive orthodontic treatment due to partial debonding of a lingual retainer, which may go unnoticed by the patient until the spaces have reappeared. Most p...
2747.
Comparison of Essix and Hawley Retainers
Volume 32 : Number 2 : Page 95 : Feb 1998
Essix* retainers were introduced in 1993 as an esthetic, comfortable, and inexpensive alternative to traditional fixed and removable orthodontic retainers.1 They are thermoformed from plastic, copolye...
2748.
A Comparison of Three Digital Cameras for Intraoral Photography
Volume 33 : Number 10 : Page 588 : Oct 1999
The purpose of this article is to review and compare three digital cameras that are suitable for orthodontic intraoral photography and range in price from $600 to $1,000. These models--the Agfa ePho...
2749.
TECHNIQUE CLINIC
Using Metal Mesh for a Temporary Bonded Prosthesis
Volume 36 : Number 3 : Page 164 : Mar 2002
A prosthetic tooth is sometimes needed at the end of orthodontic treatment to replace a tooth lost because of agenesis or trauma. Bonding a resin prosthesis with a metal mesh* avoid shaving to use a r...
2750.
CLINICAL AID
Custom-Made Rotational Ligatures
Volume 36 : Number 12 : Page 680 : Dec 2002
Many types of auxiliaries are commercially available for the correction of mild-to-moderate rotations, including Steiner wedges, rotational wedges, and rotational ligatures. These prefabricated produc...
2751.
PEARLS
Modifying a Wire Retainer into an Obturator
Volume 42 : Number 8 : Page 466 : Aug 2008
An 18-year-old male underwent surgery to remove a keratocyst, which left a large defect in the mandibular left posterior region (A). An obturator was fabricated from a modified orthodontic retainer to...
2752.
PEARLS
Volume 43 : Number 2 : Page 118 : Feb 2009
An 11-year-old female presented for orthodontic treatment. The records were unremarkable save for one thing: the panoramic x-ray showed an extraordinarily wide span from the distal of the mandibular r...
2753.
Non-Surgical Uprighting of Exposed, Mesially Impacted Lower Molars
Volume 46 : Number 8 : Page 480 : Aug 2012
In a previous article, I presented a procedure for non-surgical uprighting of a mesially angulated lower second or third molar with little or no exposed tooth surface.1 The technique shown here allows...
2754.
Periodic Stripping of Lower Anterior Teeth During Retention: A 13-Year Follow-Up
Volume 53 : Number 1 : Page 22 : Jan 2019
Fourteen patients were recalled 13 years after treatment to study the effects of interproximal reduction on relapse of lower anterior crowding. Changes in the Irregularity Index and other variables are compared with those in a control group of similar patients.
2755.
Clinical Use of the Churro Jumper
Volume 32 : Number 12 : Page 731 : Dec 1998
Creekmore recently noted that the easiest task for orthodontists is to align the teeth correctly within the individual jaws.1 This can be done with or without extractions, with or without favorable gr...
2756.
CASE REPORT
Transplantation after Failure of Eruption
Volume 22 : Number 3 : Page 0 : Mar 1988
Failure of eruption can be a difficult clinical problem. It has been described by a number of terms, including infra-occlusion and submergence, and can also be linked to ankylosis, a union between bon...
2757.
Bracket Retention after 15-Second Acid Conditioning
Volume 22 : Number 4 : Page 0 : Apr 1988
Enamel acid conditioning for bonding orthodontic brackets has traditionally been a 60-second procedure. Early reports indicated that phosphoric acid solutions of 20-50% were effective with 60-second e...
2758.
Internal Root Resorption from Palatal Invaginations
Volume 23 : Number 12 : Page 0 : Dec 1989
Palatal invaginations, or "dens-in-dente", are relatively rare. Such teeth appear normal, but have an irregular arrangement of dental tissues. The invagination of the developing tooth results in vario...
2759.
Scanatron Enhancement of Radiographic Contrast
Volume 28 : Number 6 : Page 0 : Jun 1994
Radiographs have a wide range of contrast, from hard features such as bone or orthodontic brackets (appearing white) to soft tissues of varying densities (some almost black). The tonal range between t...
2760.
PEARLS
Closure of Mandibular Spaces During Retention
Volume 52 : Number 11 : Page 639 : Nov 2018
Extraction spaces often reopen within a year following orthodontic treatment. This Pearl presents a simple modification to a wraparound retainer, using a cinched nickel titanium wire in the labial bow, that can close a relapsed space in the lower arch during retention.
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