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Dentistry

Treatment of overjet by retraction of frontal teeth to temporary anchorage devices (TADs)

Treatment of overjet by retraction of frontal teeth to temporary anchorage devices (TADs)

Increased overjet may be caused by excessive proclination of upper incisors with prominent maxilla or on the other hand by microgenia or mandibular retrognathism. The first malocclusion is in adult patients usually corrected by extraction of first premolars and successive retraction of frontal teeth. The second malocclusion in adult patients is correctly treated with orthognathic surgery.
When treating with retraction of frontal teeth, it is essential to assess the amount of anchorage needed. If the movement of distal teeth mesially is restricted, the absolute anchorage secured by TADs is needed. TADs are placed into the bone in the right position. Closed coil springs are placed inbetween the frontal segment and TADs on each side, thus retracting frontal segment without any movement of posterior teeth.

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author: Renáta Urban, Vladimíra Schwartzova | UPJŠ LF v Košiciach | discipline: Dentistry | category: Casuistics in image | keywords: treatment, overjet, retraction of frontal teeth | attachment: 4 | viewed: 98x | published on: 31.12.2017 | last modified on: 16.4.2018

A two stage non extraction treatment of distoocclusion with proclination of upper incisors (AII/1)

A two stage non extraction treatment of distoocclusion with proclination of upper incisors  (AII/1)

A two stage treatment of distoocclusion with proclination of upper incisors (AII/1) is very efficient in correctly indicated cases and the timing of the treatment is essential. During the growth spurt the removable functional appliance is placed in the mouth (in this case bionator) to provide the bite shift to AI class and to raise the deep bite by correctly trimmed functional appliance. The second phase of the treatment with fixed appliance is reduced and only the anomalies of the position of individual teeth are corrected.

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author: Renáta Urban, Vladimíra Schwartzova | UPJŠ LF v Košiciach | discipline: Dentistry | category: Casuistics in image | keywords: distoocclusion, proclination of upper incisors | attachment: 6 | viewed: 66x | published on: 31.12.2017 | last modified on: 16.4.2018
 

Combined orthodontic-surgical treatment of impacted teeth

Combined orthodontic-surgical treatment of impacted teeth

Impaction or impacted tooth is a tooth that didn’t erupt into its position in the right time of his physiological eruption, is covered by bone and requires treatment. After precisely locating the position of impacted tooth, the appropriate orthodontic appliance is adapted, the space for impacted tooth is created. With surgical exposure of the tooth, the crown is uncovered and eruption chain is adapted. The pull is activated by elastic thread or other auxiliaries such as Kilroy spring or Monkey hook, that help to move the tooth into required position.

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author: Renáta Urban, Vladimíra Schwartzova | UPJŠ LF v Košiciach | discipline: Dentistry | category: Casuistics in image | keywords: orthodontic-surgical treatment, impacted teeth | attachment: 4 | viewed: 72x | published on: 31.12.2017 | last modified on: 16.4.2018

The Use of the Er:YAG Laser 2940 nm in complex caries removal

The Use of the Er:YAG Laser 2940 nm in complex caries removal

Significant pain reduction and lack of the vibrations give advantage to LASER cavity preparation. The ideal treatment should be fast, painless and effective. Discomfort of the patient and tendency to protect hard dental tissues can lead to insufficient debridement of the carious lesion, inadequate obturation and failure of the restoration. A carious lesion is usually removed using hand instruments and rotary burs.
Understanding of laser physics and laser-tissues interaction for specific wavelength is required to predict the accomplishment of laser treatment.

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author: Jana Ohlasová, Vladimíra Schwartzová, Silvia Timková | UPJŠ LF v Košiciach | discipline: Biophysics, Dentistry | category: Casuistics in image | keywords: Er:YAG laser, caries, ablation, Er:YAG laser, caries, ablation | attachment: 8 | viewed: 171x | published on: 1.12.2017 | last modified on: 16.4.2018
 
SCHWARZ Daniel, DUŠEK Ladislav. A uniform platform for electronic publishing and sharing the educational content in the network of medical faculties MEFANET [online]. Masaryk University, [2008], [cited 2018-04-21]. Available from WWW: <http://portal.mefanet.cz>. Version 1.9 [2014].