Intermittent Force in Orthodontic Tooth Movement
A 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/d...
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| Veröffentlicht in: | Journal of dental research 2001-02, Vol.80 (2), p.457-460 |
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| creator | Konoo, T. Kim, Y.J. Gu, G.M. King, G.J. |
| description | A 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 killed at 3, 5, 7, and 14 days. Tooth movement, osteoclasts, osteoclast %, and root resorption % were quantified. Continuous force moved molars mesially at days 3 and 14 (p < 0.05), but intermittent and sham did not. Intermittent and continuous force increased osteoclast numbers at days 3, 5, and 7 (p < 0.05). Continuous force increased osteoclast surface on days 3 and 14 (p < 0.05). Continuous force increased root resorption at days 5, 7, and 14 (p < 0.05). These results demonstrate that orthodontic force for one hour in 24 stimulates osteoclasts at compression sites but does not stimulate tooth movement or root resorption. |
| doi_str_mv | 10.1177/00220345010800021101 |
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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 killed at 3, 5, 7, and 14 days. Tooth movement, osteoclasts, osteoclast %, and root resorption % were quantified. Continuous force moved molars mesially at days 3 and 14 (p < 0.05), but intermittent and sham did not. Intermittent and continuous force increased osteoclast numbers at days 3, 5, and 7 (p < 0.05). Continuous force increased osteoclast surface on days 3 and 14 (p < 0.05). Continuous force increased root resorption at days 5, 7, and 14 (p < 0.05). These results demonstrate that orthodontic force for one hour in 24 stimulates osteoclasts at compression sites but does not stimulate tooth movement or root resorption.</description><identifier>ISSN: 0022-0345</identifier><identifier>EISSN: 1544-0591</identifier><identifier>DOI: 10.1177/00220345010800021101</identifier><identifier>PMID: 11332532</identifier><identifier>CODEN: JDREAF</identifier><language>eng</language><publisher>Los Angeles, CA: SAGE Publications</publisher><subject>Alveolar Process - pathology ; Animals ; Bone Remodeling ; Cephalometry ; Dental Stress Analysis ; Dentistry ; Male ; Maxilla ; Molar ; Osteoclasts - physiology ; Random Allocation ; Rats ; Rats, Sprague-Dawley ; Root Resorption - etiology ; Root Resorption - pathology ; Root Resorption - prevention & control ; Statistics, Nonparametric ; Tooth Movement Techniques - adverse effects</subject><ispartof>Journal of dental research, 2001-02, Vol.80 (2), p.457-460</ispartof><rights>Copyright American Association for Dental Research/American Academy of Implant Dentistry Feb 2001</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c467t-2e26ff58579962599c5509b43eeac48779d6d9b3c24285b8f13c77589d0e64fa3</citedby><cites>FETCH-LOGICAL-c467t-2e26ff58579962599c5509b43eeac48779d6d9b3c24285b8f13c77589d0e64fa3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1177/00220345010800021101$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1177/00220345010800021101$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,780,784,21819,27924,27925,43621,43622</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11332532$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Konoo, T.</creatorcontrib><creatorcontrib>Kim, Y.J.</creatorcontrib><creatorcontrib>Gu, G.M.</creatorcontrib><creatorcontrib>King, G.J.</creatorcontrib><title>Intermittent Force in Orthodontic Tooth Movement</title><title>Journal of dental research</title><addtitle>J Dent Res</addtitle><description>A 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 killed at 3, 5, 7, and 14 days. Tooth movement, osteoclasts, osteoclast %, and root resorption % were quantified. Continuous force moved molars mesially at days 3 and 14 (p < 0.05), but intermittent and sham did not. Intermittent and continuous force increased osteoclast numbers at days 3, 5, and 7 (p < 0.05). Continuous force increased osteoclast surface on days 3 and 14 (p < 0.05). Continuous force increased root resorption at days 5, 7, and 14 (p < 0.05). These results demonstrate that orthodontic force for one hour in 24 stimulates osteoclasts at compression sites but does not stimulate tooth movement or root resorption.</description><subject>Alveolar Process - pathology</subject><subject>Animals</subject><subject>Bone Remodeling</subject><subject>Cephalometry</subject><subject>Dental Stress Analysis</subject><subject>Dentistry</subject><subject>Male</subject><subject>Maxilla</subject><subject>Molar</subject><subject>Osteoclasts - physiology</subject><subject>Random Allocation</subject><subject>Rats</subject><subject>Rats, Sprague-Dawley</subject><subject>Root Resorption - etiology</subject><subject>Root Resorption - pathology</subject><subject>Root Resorption - prevention & control</subject><subject>Statistics, Nonparametric</subject><subject>Tooth Movement Techniques - adverse effects</subject><issn>0022-0345</issn><issn>1544-0591</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp90F1LwzAUBuAgipvTfyBSvPCuek4-muZShlNhspt5Xdo0dR1rM5NU8N-bscFAxKsQeM6bnJeQa4R7RCkfACgFxgUg5BAviIAnZIyC8xSEwlMy3pF0Z0bkwvs1ACqas3MyQmSMCkbHBF77YFzXhmD6kMys0yZp-2ThwsrWtg-tTpbWhlXyZr9MF80lOWvKjTdXh3NC3mdPy-lLOl88v04f56nmmQwpNTRrGpELqVRGhVJaCFAVZ8aUmudSqjqrVcU05TQXVd4g01KKXNVgMt6UbELu9rlbZz8H40PRtV6bzabsjR18IePWCoFHePsLru3g-vi3goLiXAohIuJ7pJ313pmm2Lq2K913gVDs6iz-qjOO3Ryyh6oz9XHo0F8EuAe-_DDHh_8N_QH5ZXp-</recordid><startdate>20010201</startdate><enddate>20010201</enddate><creator>Konoo, T.</creator><creator>Kim, Y.J.</creator><creator>Gu, G.M.</creator><creator>King, G.J.</creator><general>SAGE Publications</general><general>SAGE PUBLICATIONS, INC</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7RQ</scope><scope>7RV</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB0</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M7P</scope><scope>NAPCQ</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>S0X</scope><scope>U9A</scope><scope>7X8</scope></search><sort><creationdate>20010201</creationdate><title>Intermittent Force in Orthodontic Tooth Movement</title><author>Konoo, T. ; 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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 killed at 3, 5, 7, and 14 days. Tooth movement, osteoclasts, osteoclast %, and root resorption % were quantified. Continuous force moved molars mesially at days 3 and 14 (p < 0.05), but intermittent and sham did not. Intermittent and continuous force increased osteoclast numbers at days 3, 5, and 7 (p < 0.05). Continuous force increased osteoclast surface on days 3 and 14 (p < 0.05). Continuous force increased root resorption at days 5, 7, and 14 (p < 0.05). These results demonstrate that orthodontic force for one hour in 24 stimulates osteoclasts at compression sites but does not stimulate tooth movement or root resorption.</abstract><cop>Los Angeles, CA</cop><pub>SAGE Publications</pub><pmid>11332532</pmid><doi>10.1177/00220345010800021101</doi><tpages>4</tpages></addata></record> |
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| subjects | Alveolar Process - pathology Animals Bone Remodeling Cephalometry Dental Stress Analysis Dentistry Male Maxilla Molar Osteoclasts - physiology Random Allocation Rats Rats, Sprague-Dawley Root Resorption - etiology Root Resorption - pathology Root Resorption - prevention & control Statistics, Nonparametric Tooth Movement Techniques - adverse effects |
| title | Intermittent Force in Orthodontic Tooth Movement |
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