Perceived long‐term prognosis of teeth with orthodontically resorbed roots

Lee, Kook S.; Straja, Sorin R.; Tuncay, Orhan C.

doi:10.1034/j.1600-0544.2003.02276.x

Cited by 23 publications

(13 citation statements)

References 13 publications

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“…Many general dentists and other dental specialists believe that EARR is avoidable and hold the orthodontist responsible when it occurs during orthodontic treatment (18). Histological studies reported greater than a 90% occurrence of EARR in orthodontically treated teeth (19).…”

Section: Discussionmentioning

confidence: 99%

External apical root resorption in maxillary root-filled incisors after orthodontic treatment: A split-mouth design study

Llamas-Carreras¹,

Amarilla²,

Espinar-Escalona³

et al. 2012

Med Oral

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Introduction: The purpose of this study was to compare, in a split mouth design, the external apical root resorption (EARR) associated with orthodontic treatment in root-filled maxillary incisors and their contralateral teeth with vital pulps. Methodology: The study sample consisted of 38 patients (14 males and 24 females), who had one root-filled incisor before completion of multiband/bracket orthodontic therapy for at least 1 year. For each patient, digital panoramic radiographs taken before and after orthodontic treatment were used to determine the root resortion and the proportion of external root resorption (PRR), defined as the ratio between the root resorption in the endodontically treated incisor and that in its contralateral incisor with a vital pulp. The student’s t-test, chi-square test and logistic regression analysis were used to determine statistical significance. Results: There was no statistically significant difference (p > 0.05) between EARR in vital teeth (1.1 ± 1.0 mm) and endodontically treated incisors (1.1 ± 0.8 mm). Twenty-six patients (68.4%) showed greater resorption of the endodontically treated incisor than its homolog vital tooth (p > 0.05). The mean and standard deviation of PPR were 1.0 ± 0.2. Multivariate logistic regression suggested that PRR does not correlate with any of the variables analyzed. Conclusions: There was no significant difference in the amount or severity of external root resorption during orthodontic movement between root-filled incisors and their contralateral teeth with vital pulps. Key words:Endodontics, orthodontics, root canal treatment, root resorption.

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Section: Discussionmentioning

confidence: 99%

External apical root resorption in maxillary root-filled incisors after orthodontic treatment: A split-mouth design study

Llamas-Carreras¹,

Amarilla²,

Espinar-Escalona³

et al. 2012

Med Oral

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“…6 Progressive OITRR can lead to a compromised crown to root ratio and compromised function. 7 Research has shown that OITRR can occur within 35 days. 8 With forces as light as 50 g, progressive apical resorption was accompanied with areas of cellular cementum repair.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Orthodontically Induced Root Resorption Using Micro-Computed Tomography (Micro-CT)

Wierzbicki

El‐Bialy

Al-Daghreer

et al. 2009

The Angle Orthodontist

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“…The frequency of severe EARR during orthodontic treatment is reported to be 5%-18%, 7 and progressive EARR can lead to a compromised crown-to-root ratio and compromised tooth functioning. 8 However, the causes and mechanisms underlying EARR remain poorly characterized; this increases the risk associated with some orthodontic treatments.…”

Section: Introductionmentioning

confidence: 99%

Three-dimensional morphology of root and alveolar trabecular bone during tooth movement using micro-computed tomography

Li¹,

Bai²,

Meng³

2011

The Angle Orthodontist

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Objective: To investigate the effects of force magnitude on three-dimensional alveolar trabecular bone structure and root resorption. Materials and Methods: Twenty-two 11-week-old Sprague Dawley rats were randomly assigned to two groups that received a mesially directed orthodontic force to the upper right first molars at different magnitudes of force, 30 g or 100 g, for 2 weeks. The contralateral molars served as controls. The teeth and alveolar bone around the teeth were dissected from the sacrificed animals and were scanned with micro-computed tomography (CT). Structural properties of the trabecular bone and resorption crater volume on the mesial roots of the maxillary first molars were analyzed.

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Perceived long‐term prognosis of teeth with orthodontically resorbed roots

Cited by 23 publications

References 13 publications

External apical root resorption in maxillary root-filled incisors after orthodontic treatment: A split-mouth design study

External apical root resorption in maxillary root-filled incisors after orthodontic treatment: A split-mouth design study

Analysis of Orthodontically Induced Root Resorption Using Micro-Computed Tomography (Micro-CT)

Three-dimensional morphology of root and alveolar trabecular bone during tooth movement using micro-computed tomography

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