Physical properties of root cementum: Part 25. Extent of root resorption after the application of light and heavy buccopalatal jiggling forces for 12 weeks: A microcomputed tomography study

Eross, Edina; Türk, Tamer; Elekdağ-Türk, Selma; Cakmak, Fethiye; Jones, Allan S.; Végh, András; Papadopoulou, Alexandra K.; Darendeliler, M. Ali

doi:10.1016/j.ajodo.2015.01.021

Cited by 13 publications

(8 citation statements)

References 48 publications

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“…Therefore, weaker jiggling forces may induce more root resorption than stronger continuous forces. Conversely, Eross et al 15 reported no significant difference in root resorption between a heavy continuous force (225 g) and heavy jiggling force (225 g every 4 weeks) in humans. The discrepancies between previous results and the present results may be due to differences between species and the magnitudes and intervals of the applied forces.…”

Section: Discussionmentioning

confidence: 96%

“…Hence, the application of forces in opposing directions before periodontal tissue repair induces the formation of hyalinized tissue, consequently aggravating ORR. Eross et al 15 concluded that jiggling forces applied alternately in different directions with a short interval of reactivation are critically important in inducing severe root resorption.…”

Section: Discussionmentioning

confidence: 99%

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Comparisons of orthodontic root resorption under heavy and jiggling reciprocating forces during experimental tooth movement in a rat model

et al. 2016

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ObjectiveRoot mobility due to reciprocating movement of the tooth (jiggling) may exacerbate orthodontic root resorption (ORR). "Jiggling" describes mesiodistal or buccolingual movement of the roots of the teeth during orthodontic treatment. In the present study, buccolingual movement is described as "jiggling." We aimed to investigate the relationship between ORR and jiggling and to test for positive cell expression in odontoclasts in resorbed roots during experimental tooth movement (jiggling) in vivo.MethodsMale Wistar rats were divided into control, heavy force (HF), optimal force (OF), and jiggling force (JF) groups. The expression levels of cathepsin K, matrix metalloproteinase (MMP)-9 protein, interleukin (IL)-6, cytokine-induced neutrophil chemoattractant 1 (CINC-1; an IL-8-related protein in rodents), receptor activator of nuclear factor κB ligand (RANKL), and osteoprotegerin protein in the dental root were determined using immunohistochemistry.ResultsOn day 21, a greater number of root resorption lacunae, which contained multinucleated odontoclasts, were observed in the palatal roots of rats in the JF group than in rats from other groups. Furthermore, there was a significant increase in the numbers of cathepsin K-positive and MMP-9-positive odontoclasts in the JF group on day 21. Immunoreactivities for IL-6, CINC-1, and RANKL were stronger in resorbed roots exposed to jiggling than in the other groups on day 21. Negative reactivity was observed in the controls.ConclusionsThese results suggest that jiggling may induce ORR via inflammatory cytokine production during orthodontic tooth movement, and that jiggling may be a risk factor for ORR.

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Section: Discussionmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 99%

Comparisons of orthodontic root resorption under heavy and jiggling reciprocating forces during experimental tooth movement in a rat model

et al. 2016

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“…However, there is no further evidence on comparing the effect on ERR induced by these two different types of forces in comprehensive orthodontic treatment. Moreover, repeated tooth movement caused by jiggling force will increase risk of ERR . While CAT, if it is well cooperated by patients and their treatment plans are well‐designed by orthodontic specialists, can help achieve predictable tooth movement and avoid repeated movement of teeth so as to reduce ERR compared with FAT…”

Section: Discussionmentioning

confidence: 99%

Root resorption in orthodontic treatment with clear aligners: A systematic review and meta‐analysis

Fang

Rui

Liu

2019

Orthod Craniofacial Res

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The aim of this study was to investigate the external root resorption in participants receiving clear aligners and compare it with those treated with fixed appliances. Systematic review with meta‐analysis. Electronic and manual search were performed, and specific inclusion and exclusion criteria were used. Data extraction and analysis were conducted by two investigators independently. The original outcome underwent statistical pooling by Review Manager 5. The quality of studies was assessed by ROBINS‐I tool. A total of 11 studies were included for qualitative analysis (six in moderate risk of bias while another five in serious risk of bias), and three of them were statistically pooled in meta‐analysis. The external root resorption in treatment with clear aligners was significantly lower than that with fixed appliances (SMD = −0.65, 95% CI [−0.74, −0.55], P < .01). Subgroup analysis on each quadrant of incisors was consistent with the former result. Current evidences suggest that clear aligners might not avoid root resorption, but the incidence and severity of resorption could both be lower compared with results reported by treatment with fixed appliances.

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“…Não só o tempo de tratamento prolongado aumenta a RRAE, mas também a quantidade de deslocamento radicular gerada pelo aparelho ortodôntico 9,40 e a aplicação de forças pesadas durante o tratamento. 10, 44,46 Em contrapartida, uma pausa de 2 a 3 meses durante o tratamento ortodôntico pode favorecer o processo de cicatrização do cemento de dentes que sofreram RRAE. 10,44 Alguns estudos já observaram uma associação positiva entre tratamento realizado com extrações dentárias com finalidade ortodôntica e aumento de RRAE, 6,8,24,25,34,36,38,39 enquanto outros não.…”

Section: Fatores Do Tratamento Ortodôntico Relacionados Com Rraeunclassified

Avaliação dos possíveis fatores de risco para reabsorção radicular apical externa após tratamento ortodôntico

Fernandes

Júnior

Campos

et al. 2017

Rev. Bras. Odontol.

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Objetivo: realizar uma revisão sobre possíveis fatores de risco para RRAE em pacientes submetidos ao tratamento ortodôntico. Material e Métodos: a pesquisa foi realizada no banco de dados MEDLINE, através do PubMed, usando a ferramenta de busca avançada, onde foram inseridas as seguintes palavras-chave, escolhidos segundo o Descritores em Ciências da Saúde (DeCS): ortodontia, reabsorção radicular, incisivo e polimorfismo genético, associado aos operadores boleanos “E” e “OU”. A busca encontrou artigos de 1993 até 2016. Resultados: constatou-se que o tratamento ortodôntico é um fator de risco para RRAE, sendo os incisivos superiores os dentes mais acometidos. O sexo e a idade do paciente não parecem influenciar o grau de RRAE, assim como outros fatores clínicos e relacionados ao tratamento ortodôntico, com exceção do tempo de tratamento prolongado e aplicação de forças pesadas, que estão associados com maiores níveis de RRAE. Tratamento com extrações, uso de elásticos intermaxilares e diferentes polimorfismos genéticos apresentaram resultados conflitantes, não sendo possível definir a real relação com a RRAE. Diferenças metodológicas e populacionais entre os artigos avaliados podem explicar a divergência de resultados encontrada na literatura. Conclusão: apesar de diversos fatores intrínsecos, clínicos, genéticos e relacionados ao tratamento ortodôntico terem sido descritos na literatura, os mais frequentemente descritos como reais fatores de risco para RRAE são o tempo de tratamento ortodôntico prolongado e a aplicação de forças pesadas.

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Physical properties of root cementum: Part 25. Extent of root resorption after the application of light and heavy buccopalatal jiggling forces for 12 weeks: A microcomputed tomography study

Cited by 13 publications

References 48 publications

Comparisons of orthodontic root resorption under heavy and jiggling reciprocating forces during experimental tooth movement in a rat model

Comparisons of orthodontic root resorption under heavy and jiggling reciprocating forces during experimental tooth movement in a rat model

Root resorption in orthodontic treatment with clear aligners: A systematic review and meta‐analysis

Avaliação dos possíveis fatores de risco para reabsorção radicular apical externa após tratamento ortodôntico

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