Extrações de molares na Ortodontia

Schroeder, Marco Antonio; Schroeder, Daniela Kimaid; Santos, Diego J.S.; Leser, Michelle Machado

doi:10.1590/s2176-94512011000600019

Cited by 7 publications

(3 citation statements)

References 21 publications

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“…Extraction of the permanent first molar is not a common treatment option unless it has serious pathology such as severe dental caries, remarkable periodontal involvement, and/or an apical lesion. 7 After extraction, the space can be closed with orthodontic tooth movement or maintained with a dental prosthesis. The amount of movement needed may be a determinant in decision making.…”

Section: Discussionmentioning

confidence: 99%

Early replacement of ankylosed first molar via mesial root movement facilitates bone formation and normal eruption of the third molar

Park¹,

Koo²,

Keum³

et al. 2021

The Angle Orthodontist

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Ankylosis of a molar during active growth leads to a significant vertical bone defect, extrusion of the opposing molar, and inclination of adjacent teeth. Treatment timing is an essential factor for the patient's quality of life. Early extraction of the ankylosed molar and protraction of the second molar is challenging because of the difficulty of tooth movement and the uncertainty of the normal eruption of the third molar. In view of the uncertainty of eruption of the mandibular third molar, it is essential to assess the potential for eruption according to the developmental stage of the third molar and to secure sufficient space for eruption. In this case report, a girl with an ankylosed right mandibular first molar and an advanced vertical bone defect was treated via early extraction of the ankylosed molar along with the intrusion of the maxillary molar and mesial root movement of the second molar before the initiation of third molar root formation. Restoration of the vertical bone defect was noted at the end of treatment. In addition, spontaneous eruption of the third molar was observed, which was in contrast to the mesioangular impaction of the contralateral third molar. This case emphasizes the importance of treatment timing to increase the chance of utilization of the third molar.

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Section: Discussionmentioning

confidence: 99%

Early replacement of ankylosed first molar via mesial root movement facilitates bone formation and normal eruption of the third molar

Park¹,

Koo²,

Keum³

et al. 2021

The Angle Orthodontist

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“…With the advancement of studies in the field of Orthodontics, as well as the improvement of bonding, the introduction of new techniques allowed the orthodontist to solve the problems listed in his diagnosis in a more conservative way in orthodontic planning, such as interproximal reduction, thermoplastic aligners, functional appliances, self-ligating brackets and temporary anchorage devices (SALZMANN, 1965). Such resources promote expansion and space gain in the arches, however, extractions remain an option in treatment plans that aim to improve facial appearance as well as obtain stable post-treatment results (CASO, 1913;PECK S;PECK H, 1979;RATHOD et al, 2015;WEINTRAUB et al, 1989;GAYA et al, 1999;SCHROEDER et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

“…Premolars are commonly chosen during orthodontic planning to be extracted. The choice of these teeth is justified by their proximity to the anterior and posterior teeth and because they occupy an intermediate position in the arch, which facilitates the correction of crowding, dentoalveolar protrusion and midline deviations (SCHROEDER et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Extractions in Orthodontics: Literature Review

Marchesini¹,

Ferreira²,

Mendonça³

2023

RECIMA21

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Tooth extractions for orthodontic purposes has been a topic discussed for over a hundred years and, currently, the criteria that determine the choice of this form of treatment go beyond the analysis of models and the position that the teeth are in the bone base. The aim of this study was to analyze the indications for extractions, which teeth are extracted most frequently, and post-treatment stability. The study was developed from an electronic search in PubMed/Medline and Google Scholar databases. Articles published over a 10-year period were selected that addressed extractions in the treatment plan. Duplicate articles in both databases and those that did not address the topic of Extractions were excluded. 468 articles were found in PubMed and 152 in Google Scholar, 472 were excluded, 153 articles were examined, reaching the selection of 37 articles and, of these, only 12 were used for the development of this work. The extractions are indicated in cases of dental and skeletal discrepancies, protrusion or biprotrusion and ortho-surgical treatments. The main teeth to be extracted are the maxillary premolars due to their location in the arch and post-treatment stability was similar to cases where extractions are not chosen in the treatment plan.

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