Effect of a low-level laser on bone regeneration after rapid maxillary expansion
Introduction In this study, we evaluated the effects of a low-level laser on bone regeneration in rapid maxillary expansion procedures. Methods Twenty-seven children, aged 8 to 12 years, took part in the experiment, with a mean age of 10.2 years, divided into 2 groups: the laser group (n = 14), in w...
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| Veröffentlicht in: | American journal of orthodontics and dentofacial orthopedics 2012-04, Vol.141 (4), p.444-450 |
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| container_title | American journal of orthodontics and dentofacial orthopedics |
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| creator | Cepera, Fernanda Torres, Fernando C Scanavini, Marco A Paranhos, Luiz R Capelozza Filho, Leopoldino Cardoso, Mauricio A Siqueira, Danieli C.R Siqueira, Danilo F |
| description | Introduction In this study, we evaluated the effects of a low-level laser on bone regeneration in rapid maxillary expansion procedures. Methods Twenty-seven children, aged 8 to 12 years, took part in the experiment, with a mean age of 10.2 years, divided into 2 groups: the laser group (n = 14), in which rapid maxillary expansion was performed in conjunction with laser use, and the no-laser group (n = 13), with rapid maxillary expansion only. The activation protocol of the expansion screw was 1 full turn on the first day and a half turn daily until achieving overcorrection. The laser type used was a laser diode (TWIN Laser; MMOptics, São Carlos, Brazil), according to the following protocol: 780 nm wavelength, 40 mW power, and 10 J/cm2 density at 10 points located around the midpalatal suture. The application stages were 1 (days 1-5 of activation), 2 (at screw locking, on 3 consecutive days), 3, 4, and 5 (7, 14, and 21 days after stage 2). Occlusal radiographs of the maxilla were taken with the aid of an aluminum scale ruler as a densitometry reference at different times: T1 (initial), T2 (day of locking), T3 (3-5 days after T2), T4 (30 days after T3), and T5 (60 days after T4). The radiographs were digitized and submitted to imaging software (Image Tool; UTHSCSA, San Antonio, Tex) to measure the optic density of the previously selected areas. To perform the statistical test, analysis of covariance was used, with the time for the evaluated stage as the covariable. In all tests, a significance level of 5% ( P |
| doi_str_mv | 10.1016/j.ajodo.2011.10.023 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_963833325</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><els_id>1_s2_0_S0889540611012030</els_id><sourcerecordid>963833325</sourcerecordid><originalsourceid>FETCH-LOGICAL-c542t-3840c72123bea12700d8d36150a4a44eda019b5ae97b7d6764b171a3b2070c013</originalsourceid><addsrcrecordid>eNqFkktv1DAQxy0EotvCJ0BCuSB6yTJ-xcmBSqgqD6kSSMDZmjgT5JCNFzvbx7evwy6txAFOlv7zm4f_M4y94LDmwKs3wxqH0IW1AM6zsgYhH7EVh8aUldHiMVtBXTelVlAdseOUBgBolICn7EgIVSktqhX7ctH35OYi9AUWY7guR7qisRgxUSzCVLRhoiLSD5oo4uyzgv2cQxG3vis2eOPHEeNtQTdbnFKOP2NPehwTPT-8J-z7-4tv5x_Ly88fPp2_uyydVmIuZa3AGcGFbAm5MABd3cmKa0CFSlGHwJtWIzWmNV1lKtVyw1G2Agw44PKEvd7X3cbwa0dpthufHOVpJgq7ZJtK1lJKoTN5-k8yOyaVrnmzoHKPuhhSitTbbfSb_L8M2cV0O9jfptvF9EXMpuesl4cGu3ZD3X3OH5cz8OoAYHI49hEn59MDp40xTbNwb_ccZeOuPEWbnKfJUedjXpLtgv_PIGd_5bvRTz63_Em3lIawi1PeieU2CQv263Ify3nwXFGABHkHXdKzrw</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1093458195</pqid></control><display><type>article</type><title>Effect of a low-level laser on bone regeneration after rapid maxillary expansion</title><source>MEDLINE</source><source>Access via ScienceDirect (Elsevier)</source><creator>Cepera, Fernanda ; Torres, Fernando C ; Scanavini, Marco A ; Paranhos, Luiz R ; Capelozza Filho, Leopoldino ; Cardoso, Mauricio A ; Siqueira, Danieli C.R ; Siqueira, Danilo F</creator><creatorcontrib>Cepera, Fernanda ; Torres, Fernando C ; Scanavini, Marco A ; Paranhos, Luiz R ; Capelozza Filho, Leopoldino ; Cardoso, Mauricio A ; Siqueira, Danieli C.R ; Siqueira, Danilo F</creatorcontrib><description>Introduction In this study, we evaluated the effects of a low-level laser on bone regeneration in rapid maxillary expansion procedures. Methods Twenty-seven children, aged 8 to 12 years, took part in the experiment, with a mean age of 10.2 years, divided into 2 groups: the laser group (n = 14), in which rapid maxillary expansion was performed in conjunction with laser use, and the no-laser group (n = 13), with rapid maxillary expansion only. The activation protocol of the expansion screw was 1 full turn on the first day and a half turn daily until achieving overcorrection. The laser type used was a laser diode (TWIN Laser; MMOptics, São Carlos, Brazil), according to the following protocol: 780 nm wavelength, 40 mW power, and 10 J/cm2 density at 10 points located around the midpalatal suture. The application stages were 1 (days 1-5 of activation), 2 (at screw locking, on 3 consecutive days), 3, 4, and 5 (7, 14, and 21 days after stage 2). Occlusal radiographs of the maxilla were taken with the aid of an aluminum scale ruler as a densitometry reference at different times: T1 (initial), T2 (day of locking), T3 (3-5 days after T2), T4 (30 days after T3), and T5 (60 days after T4). The radiographs were digitized and submitted to imaging software (Image Tool; UTHSCSA, San Antonio, Tex) to measure the optic density of the previously selected areas. To perform the statistical test, analysis of covariance was used, with the time for the evaluated stage as the covariable. In all tests, a significance level of 5% ( P <0.05) was adopted. Results From the evaluation of bone density, the results showed that the laser improved the opening of the midpalatal suture and accelerated the bone regeneration process. Conclusions The low-level laser, associated with rapid maxillary expansion, provided efficient opening of the midpalatal suture and influenced the bone regeneration process of the suture, accelerating healing.</description><identifier>ISSN: 0889-5406</identifier><identifier>EISSN: 1097-6752</identifier><identifier>DOI: 10.1016/j.ajodo.2011.10.023</identifier><identifier>PMID: 22464526</identifier><language>eng</language><publisher>New York, NY: Mosby, Inc</publisher><subject>Absorptiometry, Photon ; Age ; Aluminum ; Biological and medical sciences ; Bone density ; Bone Density - radiation effects ; Bone growth ; Bone healing ; Bone Regeneration - radiation effects ; Child ; Children ; Computer programs ; Cranial Sutures - radiation effects ; Densitometry ; Dentistry ; Female ; Follow-Up Studies ; Humans ; Image Processing, Computer-Assisted - methods ; imaging ; Lasers ; Lasers, Semiconductor - therapeutic use ; Low-Level Light Therapy - methods ; Male ; Maxilla ; Maxilla - diagnostic imaging ; Maxilla - radiation effects ; Medical sciences ; Optics ; Orthodontic Appliance Design ; Otorhinolaryngology. Stomatology ; Palatal Expansion Technique - instrumentation ; Palate, Hard - radiation effects ; Radiation Dosage ; Radiography ; Radiography, Dental, Digital - methods ; Regeneration ; software ; Statistics ; Sutures ; Twins ; Wavelength</subject><ispartof>American journal of orthodontics and dentofacial orthopedics, 2012-04, Vol.141 (4), p.444-450</ispartof><rights>American Association of Orthodontists</rights><rights>2012 American Association of Orthodontists</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2012 American Association of Orthodontists. Published by Mosby, Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c542t-3840c72123bea12700d8d36150a4a44eda019b5ae97b7d6764b171a3b2070c013</citedby><cites>FETCH-LOGICAL-c542t-3840c72123bea12700d8d36150a4a44eda019b5ae97b7d6764b171a3b2070c013</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ajodo.2011.10.023$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25777996$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22464526$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Cepera, Fernanda</creatorcontrib><creatorcontrib>Torres, Fernando C</creatorcontrib><creatorcontrib>Scanavini, Marco A</creatorcontrib><creatorcontrib>Paranhos, Luiz R</creatorcontrib><creatorcontrib>Capelozza Filho, Leopoldino</creatorcontrib><creatorcontrib>Cardoso, Mauricio A</creatorcontrib><creatorcontrib>Siqueira, Danieli C.R</creatorcontrib><creatorcontrib>Siqueira, Danilo F</creatorcontrib><title>Effect of a low-level laser on bone regeneration after rapid maxillary expansion</title><title>American journal of orthodontics and dentofacial orthopedics</title><addtitle>Am J Orthod Dentofacial Orthop</addtitle><description>Introduction In this study, we evaluated the effects of a low-level laser on bone regeneration in rapid maxillary expansion procedures. Methods Twenty-seven children, aged 8 to 12 years, took part in the experiment, with a mean age of 10.2 years, divided into 2 groups: the laser group (n = 14), in which rapid maxillary expansion was performed in conjunction with laser use, and the no-laser group (n = 13), with rapid maxillary expansion only. The activation protocol of the expansion screw was 1 full turn on the first day and a half turn daily until achieving overcorrection. The laser type used was a laser diode (TWIN Laser; MMOptics, São Carlos, Brazil), according to the following protocol: 780 nm wavelength, 40 mW power, and 10 J/cm2 density at 10 points located around the midpalatal suture. The application stages were 1 (days 1-5 of activation), 2 (at screw locking, on 3 consecutive days), 3, 4, and 5 (7, 14, and 21 days after stage 2). Occlusal radiographs of the maxilla were taken with the aid of an aluminum scale ruler as a densitometry reference at different times: T1 (initial), T2 (day of locking), T3 (3-5 days after T2), T4 (30 days after T3), and T5 (60 days after T4). The radiographs were digitized and submitted to imaging software (Image Tool; UTHSCSA, San Antonio, Tex) to measure the optic density of the previously selected areas. To perform the statistical test, analysis of covariance was used, with the time for the evaluated stage as the covariable. In all tests, a significance level of 5% ( P <0.05) was adopted. Results From the evaluation of bone density, the results showed that the laser improved the opening of the midpalatal suture and accelerated the bone regeneration process. Conclusions The low-level laser, associated with rapid maxillary expansion, provided efficient opening of the midpalatal suture and influenced the bone regeneration process of the suture, accelerating healing.</description><subject>Absorptiometry, Photon</subject><subject>Age</subject><subject>Aluminum</subject><subject>Biological and medical sciences</subject><subject>Bone density</subject><subject>Bone Density - radiation effects</subject><subject>Bone growth</subject><subject>Bone healing</subject><subject>Bone Regeneration - radiation effects</subject><subject>Child</subject><subject>Children</subject><subject>Computer programs</subject><subject>Cranial Sutures - radiation effects</subject><subject>Densitometry</subject><subject>Dentistry</subject><subject>Female</subject><subject>Follow-Up Studies</subject><subject>Humans</subject><subject>Image Processing, Computer-Assisted - methods</subject><subject>imaging</subject><subject>Lasers</subject><subject>Lasers, Semiconductor - therapeutic use</subject><subject>Low-Level Light Therapy - methods</subject><subject>Male</subject><subject>Maxilla</subject><subject>Maxilla - diagnostic imaging</subject><subject>Maxilla - radiation effects</subject><subject>Medical sciences</subject><subject>Optics</subject><subject>Orthodontic Appliance Design</subject><subject>Otorhinolaryngology. Stomatology</subject><subject>Palatal Expansion Technique - instrumentation</subject><subject>Palate, Hard - radiation effects</subject><subject>Radiation Dosage</subject><subject>Radiography</subject><subject>Radiography, Dental, Digital - methods</subject><subject>Regeneration</subject><subject>software</subject><subject>Statistics</subject><subject>Sutures</subject><subject>Twins</subject><subject>Wavelength</subject><issn>0889-5406</issn><issn>1097-6752</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkktv1DAQxy0EotvCJ0BCuSB6yTJ-xcmBSqgqD6kSSMDZmjgT5JCNFzvbx7evwy6txAFOlv7zm4f_M4y94LDmwKs3wxqH0IW1AM6zsgYhH7EVh8aUldHiMVtBXTelVlAdseOUBgBolICn7EgIVSktqhX7ctH35OYi9AUWY7guR7qisRgxUSzCVLRhoiLSD5oo4uyzgv2cQxG3vis2eOPHEeNtQTdbnFKOP2NPehwTPT-8J-z7-4tv5x_Ly88fPp2_uyydVmIuZa3AGcGFbAm5MABd3cmKa0CFSlGHwJtWIzWmNV1lKtVyw1G2Agw44PKEvd7X3cbwa0dpthufHOVpJgq7ZJtK1lJKoTN5-k8yOyaVrnmzoHKPuhhSitTbbfSb_L8M2cV0O9jfptvF9EXMpuesl4cGu3ZD3X3OH5cz8OoAYHI49hEn59MDp40xTbNwb_ccZeOuPEWbnKfJUedjXpLtgv_PIGd_5bvRTz63_Em3lIawi1PeieU2CQv263Ify3nwXFGABHkHXdKzrw</recordid><startdate>20120401</startdate><enddate>20120401</enddate><creator>Cepera, Fernanda</creator><creator>Torres, Fernando C</creator><creator>Scanavini, Marco A</creator><creator>Paranhos, Luiz R</creator><creator>Capelozza Filho, Leopoldino</creator><creator>Cardoso, Mauricio A</creator><creator>Siqueira, Danieli C.R</creator><creator>Siqueira, Danilo F</creator><general>Mosby, Inc</general><general>Elsevier</general><scope>IQODW</scope><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>7QP</scope><scope>7X8</scope></search><sort><creationdate>20120401</creationdate><title>Effect of a low-level laser on bone regeneration after rapid maxillary expansion</title><author>Cepera, Fernanda ; Torres, Fernando C ; Scanavini, Marco A ; Paranhos, Luiz R ; Capelozza Filho, Leopoldino ; Cardoso, Mauricio A ; Siqueira, Danieli C.R ; Siqueira, Danilo F</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c542t-3840c72123bea12700d8d36150a4a44eda019b5ae97b7d6764b171a3b2070c013</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Absorptiometry, Photon</topic><topic>Age</topic><topic>Aluminum</topic><topic>Biological and medical sciences</topic><topic>Bone density</topic><topic>Bone Density - radiation effects</topic><topic>Bone growth</topic><topic>Bone healing</topic><topic>Bone Regeneration - radiation effects</topic><topic>Child</topic><topic>Children</topic><topic>Computer programs</topic><topic>Cranial Sutures - radiation effects</topic><topic>Densitometry</topic><topic>Dentistry</topic><topic>Female</topic><topic>Follow-Up Studies</topic><topic>Humans</topic><topic>Image Processing, Computer-Assisted - methods</topic><topic>imaging</topic><topic>Lasers</topic><topic>Lasers, Semiconductor - therapeutic use</topic><topic>Low-Level Light Therapy - methods</topic><topic>Male</topic><topic>Maxilla</topic><topic>Maxilla - diagnostic imaging</topic><topic>Maxilla - radiation effects</topic><topic>Medical sciences</topic><topic>Optics</topic><topic>Orthodontic Appliance Design</topic><topic>Otorhinolaryngology. Stomatology</topic><topic>Palatal Expansion Technique - instrumentation</topic><topic>Palate, Hard - radiation effects</topic><topic>Radiation Dosage</topic><topic>Radiography</topic><topic>Radiography, Dental, Digital - methods</topic><topic>Regeneration</topic><topic>software</topic><topic>Statistics</topic><topic>Sutures</topic><topic>Twins</topic><topic>Wavelength</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cepera, Fernanda</creatorcontrib><creatorcontrib>Torres, Fernando C</creatorcontrib><creatorcontrib>Scanavini, Marco A</creatorcontrib><creatorcontrib>Paranhos, Luiz R</creatorcontrib><creatorcontrib>Capelozza Filho, Leopoldino</creatorcontrib><creatorcontrib>Cardoso, Mauricio A</creatorcontrib><creatorcontrib>Siqueira, Danieli C.R</creatorcontrib><creatorcontrib>Siqueira, Danilo F</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>American journal of orthodontics and dentofacial orthopedics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cepera, Fernanda</au><au>Torres, Fernando C</au><au>Scanavini, Marco A</au><au>Paranhos, Luiz R</au><au>Capelozza Filho, Leopoldino</au><au>Cardoso, Mauricio A</au><au>Siqueira, Danieli C.R</au><au>Siqueira, Danilo F</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of a low-level laser on bone regeneration after rapid maxillary expansion</atitle><jtitle>American journal of orthodontics and dentofacial orthopedics</jtitle><addtitle>Am J Orthod Dentofacial Orthop</addtitle><date>2012-04-01</date><risdate>2012</risdate><volume>141</volume><issue>4</issue><spage>444</spage><epage>450</epage><pages>444-450</pages><issn>0889-5406</issn><eissn>1097-6752</eissn><abstract>Introduction In this study, we evaluated the effects of a low-level laser on bone regeneration in rapid maxillary expansion procedures. Methods Twenty-seven children, aged 8 to 12 years, took part in the experiment, with a mean age of 10.2 years, divided into 2 groups: the laser group (n = 14), in which rapid maxillary expansion was performed in conjunction with laser use, and the no-laser group (n = 13), with rapid maxillary expansion only. The activation protocol of the expansion screw was 1 full turn on the first day and a half turn daily until achieving overcorrection. The laser type used was a laser diode (TWIN Laser; MMOptics, São Carlos, Brazil), according to the following protocol: 780 nm wavelength, 40 mW power, and 10 J/cm2 density at 10 points located around the midpalatal suture. The application stages were 1 (days 1-5 of activation), 2 (at screw locking, on 3 consecutive days), 3, 4, and 5 (7, 14, and 21 days after stage 2). Occlusal radiographs of the maxilla were taken with the aid of an aluminum scale ruler as a densitometry reference at different times: T1 (initial), T2 (day of locking), T3 (3-5 days after T2), T4 (30 days after T3), and T5 (60 days after T4). The radiographs were digitized and submitted to imaging software (Image Tool; UTHSCSA, San Antonio, Tex) to measure the optic density of the previously selected areas. To perform the statistical test, analysis of covariance was used, with the time for the evaluated stage as the covariable. In all tests, a significance level of 5% ( P <0.05) was adopted. Results From the evaluation of bone density, the results showed that the laser improved the opening of the midpalatal suture and accelerated the bone regeneration process. Conclusions The low-level laser, associated with rapid maxillary expansion, provided efficient opening of the midpalatal suture and influenced the bone regeneration process of the suture, accelerating healing.</abstract><cop>New York, NY</cop><pub>Mosby, Inc</pub><pmid>22464526</pmid><doi>10.1016/j.ajodo.2011.10.023</doi><tpages>7</tpages></addata></record> |
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| subjects | Absorptiometry, Photon Age Aluminum Biological and medical sciences Bone density Bone Density - radiation effects Bone growth Bone healing Bone Regeneration - radiation effects Child Children Computer programs Cranial Sutures - radiation effects Densitometry Dentistry Female Follow-Up Studies Humans Image Processing, Computer-Assisted - methods imaging Lasers Lasers, Semiconductor - therapeutic use Low-Level Light Therapy - methods Male Maxilla Maxilla - diagnostic imaging Maxilla - radiation effects Medical sciences Optics Orthodontic Appliance Design Otorhinolaryngology. Stomatology Palatal Expansion Technique - instrumentation Palate, Hard - radiation effects Radiation Dosage Radiography Radiography, Dental, Digital - methods Regeneration software Statistics Sutures Twins Wavelength |
| title | Effect of a low-level laser on bone regeneration after rapid maxillary expansion |
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