2014
DOI: 10.1016/j.oooo.2014.05.002
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Effect of premolar extraction and presence of the lower third molar on lower second molar angulation in orthodontic treatment

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Cited by 5 publications
(6 citation statements)
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“…Patients with impacted third molars that were mesially angulated and at an earlier stage of development at pretreatment had less bone resorption after protraction. The results were in agreement with previous studies 15,22,23 which reported that the angulation of the third molar was associated with the distal alveolar bone level of the second molar. The estimated changes (T1-T0) in alveolar bone level for DB and DL were À1.2 mm (P , .001) and À0.8 mm (P ¼ .008), indicating bone apposition; this was in contrast to the other sites of the alveolar bone that showed bone resorption.…”
Section: Discussionsupporting
confidence: 93%
“…Patients with impacted third molars that were mesially angulated and at an earlier stage of development at pretreatment had less bone resorption after protraction. The results were in agreement with previous studies 15,22,23 which reported that the angulation of the third molar was associated with the distal alveolar bone level of the second molar. The estimated changes (T1-T0) in alveolar bone level for DB and DL were À1.2 mm (P , .001) and À0.8 mm (P ¼ .008), indicating bone apposition; this was in contrast to the other sites of the alveolar bone that showed bone resorption.…”
Section: Discussionsupporting
confidence: 93%
“…Other factors such as growth, retromolar space and the second molar position might have also influenced its eruption status. 18,37 The current study findings disagree with previous studies in which only a 24% of the mandibular third molars in the extraction group erupted. 9 This might be due to differences between samples, since they included nongrowing patients.…”
Section: Erupted Third Molarscontrasting
confidence: 99%
“…The nasal septum, anterior nasal spine, hard palate and the maxillary and mandibular third molars were used as the anatomical reference structures. The reference lines were: A) the Midline Reference Plane (MRP), as a vertical line traced outlining the nasal septum and the anterior nasal spine, B) a Horizontal Reference Plane (HRP) build as a perpendicular line to the MRP bilaterally extended through the palatal shadow [16][17][18] (Fig. 1).…”
Section: Third Molar Angulationmentioning
confidence: 99%
“…Ofte sees posterior plassmangel hos pasienter med retinert MM2 (1). En årsak til posterior plassmangel kan vaere kjeveortopedisk distalføring av molarer der det foreligger trangstilling (8). At vi i den senere tid har sett økt insidens av retinerte MM2, kan vaere et resultat av nettopp dette.…”
unclassified
“…At vi i den senere tid har sett økt insidens av retinerte MM2, kan vaere et resultat av nettopp dette. Det er i tillegg sett en økt forekomst av distaltippede MM2 hos pasienter som har fått utført kjeveortopedisk behandling uten premolarekstraksjon sammenliknet med pasienter som har fått kjeveortopedisk behandling med premolarekstraksjon (8).…”
unclassified