Does the rate of orthodontic tooth movement change during pregnancy and lactation? A systematic review of the evidence from animal studies

Omar, Moaza; Kaklamanos, Eleftherios G.

doi:10.1186/s12903-020-01223-2

Cited by 7 publications

(9 citation statements)

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“…A great number of studies emphasized on tooth movement acceleration as well as how to measure it. [ 82 83 ] Several techniques have been used to accelerate tooth movement, such as biological approaches (e.g., cytokines, prostaglandin, or parathyroid hormone injection), device-assisted techniques, surgical methods (e.g., corticotomy, interseptal alveolar surgery, osteotomy), and LLLT. [ 82 ] Although surgical techniques have been proved to enhance tooth movement acceleration,[ 84 ] it could be considered more aggressive than other methods.…”

Section: Discussionmentioning

confidence: 99%

The Protocol of Low-level Laser Therapy in Orthodontic Practice

Sipiyaruk¹,

Chintavalakorn²,

Saengfai³

2022

Journal of International Society of Preventive and Community Dentistry

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A BSTRACT Low-level laser therapy (LLLT) has been widely investigated as an adjunct technique for orthodontic treatment due to photobiomodulation effect. LLLT appears to be supportive for an orthodontic practice in terms of tooth movement acceleration, pain relief, and root resorption management. The decrease in these adverse effects will enhance the compliance in orthodontic patients, which could positively impact treatment outcomes. However, there seemed to be inconsistency in the impact of LLLT as well as its laser and treatment parameters. This scoping review aimed to evaluate the impact of different irradiation parameters on tooth movement acceleration, pain relief, and root resorption as well as to construct a protocol of LLLT in orthodontic practice. The search was conducted across PubMed, Scopus, Web of Science, Embase, Google Scholar, and the reference lists of identified articles. The last search was conducted on October 10, 2021 to identify experiments in humans regarding the application of LLLT as noninvasive treatment in orthodontic practice published between 2010 and 2021. However, they were excluded if they were not clinical research, if they did not report the source of laser, or if they were not relevant to tooth movement, pain perception, and root resorption, or if they were not available in English or in full-text. Following the systematic search and selection process, 60 articles were included in this review. A majority of included articles were published in the past few years. The findings of this review supported the application of LLLT in orthodontic practice with purposes of tooth movement acceleration and pain reduction. The positive impact of LLLT on root resorption had not been clearly evident yet. As this review demonstrated heterogeneity of both laser and treatment parameters, further research should be required to ensure the effectiveness of its specific parameters in orthodontic practice.

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Section: Discussionmentioning

confidence: 99%

The Protocol of Low-level Laser Therapy in Orthodontic Practice

Sipiyaruk¹,

Chintavalakorn²,

Saengfai³

2022

Journal of International Society of Preventive and Community Dentistry

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“…El estrógeno aumenta en gran manera en las etapas del embarazo, y este es esencial para la preservación de la masa ósea en el embarazo, pero la deficiencia de estrógeno puede afectar a las células osteoblásticas contribuyendo a la pérdida ósea durante la lactancia. Por lo tanto si los minerales de la madre no son suficientes y escasos, se extraerá de sus fuentes esqueléticas maternas, que puede afectar su estructura esquelética y masa ósea 1 .…”

Section: Movimientos Dentarios En Mujeres Embarazadas Y Su Relación C...unclassified

“…En cuanto al movimiento dentario ortodóntico durante el embarazo y la lactancia posiblemente exista alteraciones en el movimiento de los dientes, esto debido a los cambios de homeostasis ósea, las alteraciones de resorción dentaria y la deposición ósea observada en el embarazo. Sin embargo, esta información aún no se ha resumido de una manera basada en la evidencia dado que para hacerlo en seres humanos presenta importantes limitaciones éticas y prácticas, solo el uso de animales nos puede proporcionar un medio de comprensión 1 .…”

Section: Movimientos Dentarios En Mujeres Embarazadas Y Su Relación C...unclassified

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Pregnancy, orthodontics and bone resorption

Ramírez

Peña

Juárez

et al. 2021

whj

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Pregnant women present different changes in the skeletal system, such as the increase in calcium throughout this period, there are also small reductions in bone density. Orthodontic tooth movement is based on the principles of tissue resorption and formation at the level of the surrounding bone and periodontal ligament. It should be noted that there are multiple factors that affect the speed of this type of movement. During pregnancy and lactation, certain alterations in orthodontic dental movement may be perceived, caused by changes in bone homeostasis, alterations in tooth resorption and observed bone deposition. In this article we will cover topics such as the physiology and history of pregnancy, as well as the analysis of various articles related to orthodontic dental movement in pregnant women.

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“…Orthodontic tooth movement involves intracellular pathways, intercellular physiological signaling processes, as well as interactions between cells and the extracellular environment that are regulated by hormones, growth factors and cytokines [ 4 ]. Information from studies conducted in female experimental animals have suggested that bone metabolism alterations occurring during pregnancy and lactation, as well as the osteoporotic changes following ovariectomy, may have an impact on the rate of tooth movement [ 5 , 6 ]. Furthermore, it could be hypothesized that the endocrine controls that govern the menstrual cycle may influence bone resorption and apposition under the effect of orthodontic forces as well.…”

Section: Introductionmentioning

confidence: 99%

Does the rate of orthodontic tooth movement change during the estrus cycle? A systematic review based on animal studies

et al. 2021

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Background As the fluctuation of sex hormone levels in menstruating women results in periodical effects in bone metabolism, understanding the implications for tooth movement could be of benefit to the orthodontist. This type of research presents practical and ethical problems in humans, but animal models could provide useful information. Our objective was to systematically investigate the available evidence on the question whether the rate of orthodontic tooth movement varies between the different stages of the estrus cycle in animals. Methods Unrestricted searches in 7 databases and manual searching of the reference lists in relevant studies were performed up to February 2021 (Medline [PubMed], CENTRAL [Cochrane Library; includes records from Embase, CINAHL, ClinicalTrials.gov, WHO's ICTRP, KoreaMed, Cochrane Review Groups’ Specialized Registers, and records identified by handsearching], Cochrane Database of Systematic Reviews [Cochrane Library], Scopus, Web of Knowledge [including Web of Science Core Collection, KCI Korean Journal Database, Russian Science Citation Index, SciELO Citation Index and Zoological Record], Arab World Research Source [EBSCO] and ProQuest Dissertation and Theses [ProQuest]). Our search focused on prospective controlled animal studies, whose samples included female subjects of any species that were quantitatively comparing the amount of tooth movement in the different stages of the estrus cycle. Following study retrieval and selection, relevant data was extracted, and the risk of bias was assessed using the SYRCLE’s Risk of Bias Tool. Results From the finally assessed records, 3 studies met the inclusion criteria. Two of the studies experimented on Wistar rats, whereas the other on cats. Tooth movement was induced by expansion or coil springs. The rate of orthodontic tooth movement was increased during the stages of the estrus cycle when oestrogen and/or progesterone levels were lower. The risk of bias in the retrieved studies was assessed to be unclear. Conclusion Hormonal changes during the estrus cycle may affect the rate of orthodontic tooth movement. Although these animal experiment results should be approached cautiously regarding their translational potential, it could be useful to consider the possible impact of these physiological changes in the clinical setting until more information becomes available. Registration: PROSPERO (CRD42021158069).

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Does the rate of orthodontic tooth movement change during pregnancy and lactation? A systematic review of the evidence from animal studies

Cited by 7 publications

References 66 publications

The Protocol of Low-level Laser Therapy in Orthodontic Practice

The Protocol of Low-level Laser Therapy in Orthodontic Practice

Pregnancy, orthodontics and bone resorption

Does the rate of orthodontic tooth movement change during the estrus cycle? A systematic review based on animal studies

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