Results 111 to 120 of about 1,851,044 (143)
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Osteoclast polarization and orthodontic tooth movement
Orthodontics & Craniofacial Research, 2009Structured AbstractAuthors – Holliday LS, Ostrov DA, Wronski TJ, Dolce CIntroduction – Osteoclasts polarize when they contact activation signals that are associated with bone. Polarization is required for bone resorption and involves highly specialized mechanisms that represent attractive targets for the development of osteoclast‐specific therapeutic
L S, Holliday +3 more
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NSAID Impairment of Orthodontic Tooth Movement
Annals of Pharmacotherapy, 2001OBJECTIVE: To evaluate the impairment of orthodontic tooth movement caused by nonsteroidal antiinflammatory drugs (NSAIDs). DATA SOURCES: Biomedical literature accessed through MEDLINE (1966–January 2000), EMBASE (1980–January 2000 ...
J B, Walker, S M, Buring
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Tooth eruption and orthodontic movement
British Dental Journal, 1992Teeth have been moved in man for centuries and the process of tooth eruption has occurred presumably since he evolved. The cellular and molecular mechanisms which are involved in these two phenomena are amongst the most intriguing questions in dental research today.
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The effect of drugs on orthodontic tooth movement
Orthodontics & Craniofacial Research, 2006Structured AbstractAuthors – Krishnan V, Davidovitch ZObjective – Molecules produced in various diseased tissues, or drugs and nutrients consumed regularly by patients, can reach the mechanically stressed paradental tissues through the circulation, and interact with local target cells. The combined effect of mechanical forces and one or more of these
V, Krishnan, Z, Davidovitch
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Intermittent Force in Orthodontic Tooth Movement
Journal of Dental Research, 2001A single orthodontic activation lasting one hour can initiate tooth movement. The purpose of this study is to examine tooth movement, osteoclasts, and root resorption in rats following several one-hour activations. Rats (n = 144) were randomly assigned to intermittent (multiple activations of 1 hr/day), continuous, and sham appliances. Twelve rats were
T, Konoo, Y J, Kim, G M, Gu, G J, King
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Studying Orthodontic Tooth Movement in Mice
Journal of Visualized ExperimentsOrthodontic tooth movement (OTM) represents a dynamic process in which the alveolar bone undergoes resorption at compression sites and deposition at tension sites, orchestrated by osteoclasts and osteoblasts, respectively. This mechanism serves as a valuable model for studying various aspects of bone adaptation, including root resorption and the ...
José Alcides Almeida, de Arruda +9 more
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Neurologic Regulation and Orthodontic Tooth Movement
2015Pain and discomfort are prevalent symptoms among the vast majority of patients with fixed orthodontic appliances and is the most disliked aspect of treatment. The periodontium is a highly innervated structure that also provides the necessary trophic factors, such as nerve growth factor, which promote neuronal survival, maintenance and axonal growth ...
Stephanos, Kyrkanides +2 more
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Piezoelectric Tooth Aligner for Accelerated Orthodontic Tooth Movement
2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2018In this paper, we propose a device that can induce vibration to potentially accelerate the rate of orthodontic tooth movement and thus reduce the duration of the orthodontic treatment. This is accomplished by harmonically exciting a polyvinylidene fluoride (PVDF) piezoelectric actuators to generate vibration and hence generate cyclic loading at 30 Hz ...
Muath Bani-Hani, M. Amin Karami
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Simulation of orthodontic tooth movements
Journal of Orofacial Orthopedics / Fortschritte der Kieferorthop�die, 1999Orthodontic tooth movements are based on the ability of bone to react to mechanical stresses with the apposition and resorption of alveolar bone. Currently, the underlying biophysical, biochemical, and cellular processes are the subject of numerous studies.
C, Bourauel +5 more
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The gingival response to orthodontic tooth movement
American Journal of Orthodontics, 1970Abstract When a tooth is moved during orthodontic treatment, changes may be observed in the surrounding gingivae. These changes may be seen superficially during routine orthodontic treatment and in study models. From study models taken each day over a period of months and from the observation of the patients at less frequent intervals, four stages of
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