Repair of bone defects treated with autogenous bone graft and low-power laser
Because bone healing at the graft site is similar to a fracture repair, the purpose of the present study was to evaluate the effects of low-power laser irradiation on the repair of rat skull defects treated with autogenous bone graft. A defect measuring 3 mm in diameter was produced in the left pari...
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Veröffentlicht in: | The Journal of craniofacial surgery 2006-03, Vol.17 (2), p.297-301 |
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description | Because bone healing at the graft site is similar to a fracture repair, the purpose of the present study was to evaluate the effects of low-power laser irradiation on the repair of rat skull defects treated with autogenous bone graft. A defect measuring 3 mm in diameter was produced in the left parietal bone and filled with an autogenous bone graft obtained from the right parietal bone. The animals were divided into 3 groups of 20 rats each: nonirradiated control, irradiated with 5.1 J/cm, and irradiated with 10.2 J/cm. The laser (2.4 mW, 735 nm, 3.4 x 10 W/cm, 3-mm spot size) was applied three times per week for 4 weeks. Greater volume of newly formed bone was observed in the irradiated group with 10.2 J/cm. In both irradiated groups, a greater volume of newly formed bone occurred only in the first 2 weeks. The results demonstrated that laser irradiation at the grafted site stimulated osteogenesis during the initial stages of the healing process in a skull defect of the rat and that this effect was dose dependent. |
doi_str_mv | 10.1097/00001665-200603000-00017 |
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A defect measuring 3 mm in diameter was produced in the left parietal bone and filled with an autogenous bone graft obtained from the right parietal bone. The animals were divided into 3 groups of 20 rats each: nonirradiated control, irradiated with 5.1 J/cm, and irradiated with 10.2 J/cm. The laser (2.4 mW, 735 nm, 3.4 x 10 W/cm, 3-mm spot size) was applied three times per week for 4 weeks. Greater volume of newly formed bone was observed in the irradiated group with 10.2 J/cm. In both irradiated groups, a greater volume of newly formed bone occurred only in the first 2 weeks. The results demonstrated that laser irradiation at the grafted site stimulated osteogenesis during the initial stages of the healing process in a skull defect of the rat and that this effect was dose dependent.</description><identifier>ISSN: 1049-2275</identifier><identifier>DOI: 10.1097/00001665-200603000-00017</identifier><identifier>PMID: 16633179</identifier><language>eng</language><publisher>United States</publisher><subject>Analysis of Variance ; Animals ; Bone Density ; Bone Regeneration - radiation effects ; Bone Transplantation - methods ; Dose-Response Relationship, Radiation ; Low-Level Light Therapy ; Male ; Parietal Bone - surgery ; Rats ; Rats, Wistar</subject><ispartof>The Journal of craniofacial surgery, 2006-03, Vol.17 (2), p.297-301</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c313t-776539847f8cd5d71b451a2413aaf837af7ec5485a3520d60c27a02c29d283233</citedby><cites>FETCH-LOGICAL-c313t-776539847f8cd5d71b451a2413aaf837af7ec5485a3520d60c27a02c29d283233</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16633179$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>da Silva, Rosane Vierra</creatorcontrib><creatorcontrib>Camilli, José Angelo</creatorcontrib><title>Repair of bone defects treated with autogenous bone graft and low-power laser</title><title>The Journal of craniofacial surgery</title><addtitle>J Craniofac Surg</addtitle><description>Because bone healing at the graft site is similar to a fracture repair, the purpose of the present study was to evaluate the effects of low-power laser irradiation on the repair of rat skull defects treated with autogenous bone graft. A defect measuring 3 mm in diameter was produced in the left parietal bone and filled with an autogenous bone graft obtained from the right parietal bone. The animals were divided into 3 groups of 20 rats each: nonirradiated control, irradiated with 5.1 J/cm, and irradiated with 10.2 J/cm. The laser (2.4 mW, 735 nm, 3.4 x 10 W/cm, 3-mm spot size) was applied three times per week for 4 weeks. Greater volume of newly formed bone was observed in the irradiated group with 10.2 J/cm. In both irradiated groups, a greater volume of newly formed bone occurred only in the first 2 weeks. The results demonstrated that laser irradiation at the grafted site stimulated osteogenesis during the initial stages of the healing process in a skull defect of the rat and that this effect was dose dependent.</description><subject>Analysis of Variance</subject><subject>Animals</subject><subject>Bone Density</subject><subject>Bone Regeneration - radiation effects</subject><subject>Bone Transplantation - methods</subject><subject>Dose-Response Relationship, Radiation</subject><subject>Low-Level Light Therapy</subject><subject>Male</subject><subject>Parietal Bone - surgery</subject><subject>Rats</subject><subject>Rats, Wistar</subject><issn>1049-2275</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkN1KAzEQRnOh2Fp9BckLRCfJZrN7KcU_qAii18s0mdRK2yxJSvHt3dqqczPMx3fm4jDGJVxLaO0NDCPr2ggFUIMeLrFP7AkbS6haoZQ1I3ae8yeAklLVZ2w09LWWth2z51fqcZl4DHweN8Q9BXIl85IIC3m-W5YPjtsSF7SJ23woLRKGwnHj-SruRB93lPgKM6ULdhpwlenyuCfs_f7ubfooZi8PT9PbmXBa6iKsrY1um8qGxnnjrZxXRqKqpEYMjbYYLDlTNQa1UeBrcMoiKKdarxqttJ6w5vDXpZhzotD1abnG9NVJ6PZWul8r3Z-V7sfKgF4d0H47X5P_B49K9DfZG15d</recordid><startdate>200603</startdate><enddate>200603</enddate><creator>da Silva, Rosane Vierra</creator><creator>Camilli, José Angelo</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>200603</creationdate><title>Repair of bone defects treated with autogenous bone graft and low-power laser</title><author>da Silva, Rosane Vierra ; Camilli, José Angelo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c313t-776539847f8cd5d71b451a2413aaf837af7ec5485a3520d60c27a02c29d283233</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Analysis of Variance</topic><topic>Animals</topic><topic>Bone Density</topic><topic>Bone Regeneration - radiation effects</topic><topic>Bone Transplantation - methods</topic><topic>Dose-Response Relationship, Radiation</topic><topic>Low-Level Light Therapy</topic><topic>Male</topic><topic>Parietal Bone - surgery</topic><topic>Rats</topic><topic>Rats, Wistar</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>da Silva, Rosane Vierra</creatorcontrib><creatorcontrib>Camilli, José Angelo</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><jtitle>The Journal of craniofacial surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>da Silva, Rosane Vierra</au><au>Camilli, José Angelo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Repair of bone defects treated with autogenous bone graft and low-power laser</atitle><jtitle>The Journal of craniofacial surgery</jtitle><addtitle>J Craniofac Surg</addtitle><date>2006-03</date><risdate>2006</risdate><volume>17</volume><issue>2</issue><spage>297</spage><epage>301</epage><pages>297-301</pages><issn>1049-2275</issn><abstract>Because bone healing at the graft site is similar to a fracture repair, the purpose of the present study was to evaluate the effects of low-power laser irradiation on the repair of rat skull defects treated with autogenous bone graft. A defect measuring 3 mm in diameter was produced in the left parietal bone and filled with an autogenous bone graft obtained from the right parietal bone. The animals were divided into 3 groups of 20 rats each: nonirradiated control, irradiated with 5.1 J/cm, and irradiated with 10.2 J/cm. The laser (2.4 mW, 735 nm, 3.4 x 10 W/cm, 3-mm spot size) was applied three times per week for 4 weeks. Greater volume of newly formed bone was observed in the irradiated group with 10.2 J/cm. In both irradiated groups, a greater volume of newly formed bone occurred only in the first 2 weeks. The results demonstrated that laser irradiation at the grafted site stimulated osteogenesis during the initial stages of the healing process in a skull defect of the rat and that this effect was dose dependent.</abstract><cop>United States</cop><pmid>16633179</pmid><doi>10.1097/00001665-200603000-00017</doi><tpages>5</tpages></addata></record> |
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subjects | Analysis of Variance Animals Bone Density Bone Regeneration - radiation effects Bone Transplantation - methods Dose-Response Relationship, Radiation Low-Level Light Therapy Male Parietal Bone - surgery Rats Rats, Wistar |
title | Repair of bone defects treated with autogenous bone graft and low-power laser |
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