Effect of Photobiomodulation on Relapse in an Experimental Rapid Maxillary Expansion Model in Rat
Rapid maxillary expansion (RME) is performed on transversely deficient maxilla. As all orthodontic treatments, retention is important in maintaining therapeutic outcomes. Fixed /removable retainers are used post‐RME causing hygiene and compliance problems. Given photobiomodulation’s positive effects...
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| Veröffentlicht in: | Photochemistry and photobiology 2021-05, Vol.97 (3), p.634-640 |
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| creator | Pirmoradian, Maryam Safiaghdam, Hannaneh Nokhbatolfoghahaei, Hanieh Ashnagar, Sajjad Fekrazad, Reza |
| description | Rapid maxillary expansion (RME) is performed on transversely deficient maxilla. As all orthodontic treatments, retention is important in maintaining therapeutic outcomes. Fixed /removable retainers are used post‐RME causing hygiene and compliance problems. Given photobiomodulation’s positive effects on the quantity and quality of bone regeneration, its effect on post‐RME relapse was studied. Thirty Sprague Dawley rats were randomly divided into group R, non‐irradiated RME‐treated (n = 12), group P, irradiated RME‐treated (n = 12) and group C, non‐RME non‐irradiated (n = 6). A 1.5 mm metal ring inserted between maxillary incisors at days 0 and 15 was expanded until 1.5 mm space was obtained at day 30. In group P, Ga‐Al‐As diode laser (810 nm, 100 mW, 4J/cm2, 30 secs) was applied on days 0, 2, 4, 6, 8, 10, 12 and 14 as predictor variable. The relapse was measured as the space lost between incisors for 30 days after appliance removal (primary outcome variable) and compared with t‐test. In week 2, space loss in group P was significantly lower (P |
| doi_str_mv | 10.1111/php.13365 |
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We studied the effect of photobiomodulation on orthodontic relapse after rapid maxillary expansion. Thirty Sprague Dawley rats were randomly divided into group R, non‐irradiated RME‐treated (n = 12), group P, irradiated RME‐treated (n = 12) and group C, non‐RME non‐irradiated (n = 6). A 1.5mm metal ring was inserted between maxillary incisors for expansion. In group P, Ga‐Al‐As diode laser (810 nm, 100 mW, 4 J/cm2, 30 secs) was applied. Relapse was measured as space lost between incisors 30 days after appliance removal. In week 2, space loss in group P was significantly lower than other groups. Relapse during weeks 2 and 3 was significantly lower in group P. Therefore, photobiomodulation proved beneficial in resisting relapse and is suggested to be continued until the end of expansion.</description><identifier>ISSN: 0031-8655</identifier><identifier>EISSN: 1751-1097</identifier><identifier>DOI: 10.1111/php.13365</identifier><identifier>PMID: 33294968</identifier><language>eng</language><publisher>United States: Blackwell Publishing Ltd</publisher><subject>Animals ; Bone growth ; Incisors ; Jaw ; Light therapy ; Maxilla ; Orthodontics ; Palatal Expansion Technique ; Rats ; Rats, Sprague-Dawley ; Recurrence ; Regeneration ; Regeneration (physiology) ; Rodents ; Semiconductor lasers</subject><ispartof>Photochemistry and photobiology, 2021-05, Vol.97 (3), p.634-640</ispartof><rights>2020 American Society for Photobiology</rights><rights>2020 American Society for Photobiology.</rights><rights>Copyright © 2021 American Society for Photobiology</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c3135-59a553e9cd306195a9dc66a3577872136bc9823837ded2393a9bd94ba92910293</cites><orcidid>0000-0002-0236-0849 ; 0000-0001-5188-8829</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fphp.13365$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fphp.13365$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33294968$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Pirmoradian, Maryam</creatorcontrib><creatorcontrib>Safiaghdam, Hannaneh</creatorcontrib><creatorcontrib>Nokhbatolfoghahaei, Hanieh</creatorcontrib><creatorcontrib>Ashnagar, Sajjad</creatorcontrib><creatorcontrib>Fekrazad, Reza</creatorcontrib><title>Effect of Photobiomodulation on Relapse in an Experimental Rapid Maxillary Expansion Model in Rat</title><title>Photochemistry and photobiology</title><addtitle>Photochem Photobiol</addtitle><description>Rapid maxillary expansion (RME) is performed on transversely deficient maxilla. As all orthodontic treatments, retention is important in maintaining therapeutic outcomes. Fixed /removable retainers are used post‐RME causing hygiene and compliance problems. Given photobiomodulation’s positive effects on the quantity and quality of bone regeneration, its effect on post‐RME relapse was studied. Thirty Sprague Dawley rats were randomly divided into group R, non‐irradiated RME‐treated (n = 12), group P, irradiated RME‐treated (n = 12) and group C, non‐RME non‐irradiated (n = 6). A 1.5 mm metal ring inserted between maxillary incisors at days 0 and 15 was expanded until 1.5 mm space was obtained at day 30. In group P, Ga‐Al‐As diode laser (810 nm, 100 mW, 4J/cm2, 30 secs) was applied on days 0, 2, 4, 6, 8, 10, 12 and 14 as predictor variable. The relapse was measured as the space lost between incisors for 30 days after appliance removal (primary outcome variable) and compared with t‐test. In week 2, space loss in group P was significantly lower (P < 0.05) than all other groups. The relapse during weeks 2 and 3 was significantly lower in group P than group R. However, no significant difference in relapse amount was found between groups during first and fourth week. There was a significant difference (P < 0.05) between groups in relapse rates (secondary outcome variable) but not in total relapse after 4 weeks. Photobiomodulation proved beneficial in resisting relapse in our study, and it is suggested to be continued until the end of expansion.
We studied the effect of photobiomodulation on orthodontic relapse after rapid maxillary expansion. Thirty Sprague Dawley rats were randomly divided into group R, non‐irradiated RME‐treated (n = 12), group P, irradiated RME‐treated (n = 12) and group C, non‐RME non‐irradiated (n = 6). A 1.5mm metal ring was inserted between maxillary incisors for expansion. In group P, Ga‐Al‐As diode laser (810 nm, 100 mW, 4 J/cm2, 30 secs) was applied. Relapse was measured as space lost between incisors 30 days after appliance removal. In week 2, space loss in group P was significantly lower than other groups. Relapse during weeks 2 and 3 was significantly lower in group P. Therefore, photobiomodulation proved beneficial in resisting relapse and is suggested to be continued until the end of expansion.</description><subject>Animals</subject><subject>Bone growth</subject><subject>Incisors</subject><subject>Jaw</subject><subject>Light therapy</subject><subject>Maxilla</subject><subject>Orthodontics</subject><subject>Palatal Expansion Technique</subject><subject>Rats</subject><subject>Rats, Sprague-Dawley</subject><subject>Recurrence</subject><subject>Regeneration</subject><subject>Regeneration (physiology)</subject><subject>Rodents</subject><subject>Semiconductor lasers</subject><issn>0031-8655</issn><issn>1751-1097</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kEFLwzAUx4Mobk4PfgEpeNFDtySvSZujjOkEh2PoOaRNyjq6pjYtbt_e1E0Pgo_AO-T3_rz3Q-ia4DHxNanX9ZgAcHaChiRmJCRYxKdoiDGQMOGMDdCFcxuMSSRico4GAFREgidDpGZ5brI2sHmwXNvWpoXdWt2Vqi1sFfi3MqWqnQmKKlBVMNvVpim2pmpVGaxUXehgoXZFWapm33-qyvVzC6tN2Y-sVHuJznJVOnN17CP0_jh7m87Dl9en5-nDS5gBARYyoRgDIzINmBPBlNAZ5wpYHCcxJcDTTCQUEoi10RQEKJFqEaVKUEEwFTBCd4fcurEfnXGt3BYuM361ytjOSRrxhPMIWOTR2z_oxnZN5beTlNEk9vpYH3h_oLLGOteYXNb-dH-oJFj23qX3Lr-9e_bmmNilW6N_yR_RHpgcgM-iNPv_k-RyvjxEfgHZCYql</recordid><startdate>202105</startdate><enddate>202105</enddate><creator>Pirmoradian, Maryam</creator><creator>Safiaghdam, Hannaneh</creator><creator>Nokhbatolfoghahaei, Hanieh</creator><creator>Ashnagar, Sajjad</creator><creator>Fekrazad, Reza</creator><general>Blackwell Publishing Ltd</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>4T-</scope><scope>7TM</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>K9.</scope><scope>NAPCQ</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-0236-0849</orcidid><orcidid>https://orcid.org/0000-0001-5188-8829</orcidid></search><sort><creationdate>202105</creationdate><title>Effect of Photobiomodulation on Relapse in an Experimental Rapid Maxillary Expansion Model in Rat</title><author>Pirmoradian, Maryam ; Safiaghdam, Hannaneh ; Nokhbatolfoghahaei, Hanieh ; Ashnagar, Sajjad ; Fekrazad, Reza</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3135-59a553e9cd306195a9dc66a3577872136bc9823837ded2393a9bd94ba92910293</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Animals</topic><topic>Bone growth</topic><topic>Incisors</topic><topic>Jaw</topic><topic>Light therapy</topic><topic>Maxilla</topic><topic>Orthodontics</topic><topic>Palatal Expansion Technique</topic><topic>Rats</topic><topic>Rats, Sprague-Dawley</topic><topic>Recurrence</topic><topic>Regeneration</topic><topic>Regeneration (physiology)</topic><topic>Rodents</topic><topic>Semiconductor lasers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pirmoradian, Maryam</creatorcontrib><creatorcontrib>Safiaghdam, Hannaneh</creatorcontrib><creatorcontrib>Nokhbatolfoghahaei, Hanieh</creatorcontrib><creatorcontrib>Ashnagar, Sajjad</creatorcontrib><creatorcontrib>Fekrazad, Reza</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Docstoc</collection><collection>Nucleic Acids Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Premium</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Photochemistry and photobiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pirmoradian, Maryam</au><au>Safiaghdam, Hannaneh</au><au>Nokhbatolfoghahaei, Hanieh</au><au>Ashnagar, Sajjad</au><au>Fekrazad, Reza</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Photobiomodulation on Relapse in an Experimental Rapid Maxillary Expansion Model in Rat</atitle><jtitle>Photochemistry and photobiology</jtitle><addtitle>Photochem Photobiol</addtitle><date>2021-05</date><risdate>2021</risdate><volume>97</volume><issue>3</issue><spage>634</spage><epage>640</epage><pages>634-640</pages><issn>0031-8655</issn><eissn>1751-1097</eissn><abstract>Rapid maxillary expansion (RME) is performed on transversely deficient maxilla. As all orthodontic treatments, retention is important in maintaining therapeutic outcomes. Fixed /removable retainers are used post‐RME causing hygiene and compliance problems. Given photobiomodulation’s positive effects on the quantity and quality of bone regeneration, its effect on post‐RME relapse was studied. Thirty Sprague Dawley rats were randomly divided into group R, non‐irradiated RME‐treated (n = 12), group P, irradiated RME‐treated (n = 12) and group C, non‐RME non‐irradiated (n = 6). A 1.5 mm metal ring inserted between maxillary incisors at days 0 and 15 was expanded until 1.5 mm space was obtained at day 30. In group P, Ga‐Al‐As diode laser (810 nm, 100 mW, 4J/cm2, 30 secs) was applied on days 0, 2, 4, 6, 8, 10, 12 and 14 as predictor variable. The relapse was measured as the space lost between incisors for 30 days after appliance removal (primary outcome variable) and compared with t‐test. In week 2, space loss in group P was significantly lower (P < 0.05) than all other groups. The relapse during weeks 2 and 3 was significantly lower in group P than group R. However, no significant difference in relapse amount was found between groups during first and fourth week. There was a significant difference (P < 0.05) between groups in relapse rates (secondary outcome variable) but not in total relapse after 4 weeks. Photobiomodulation proved beneficial in resisting relapse in our study, and it is suggested to be continued until the end of expansion.
We studied the effect of photobiomodulation on orthodontic relapse after rapid maxillary expansion. Thirty Sprague Dawley rats were randomly divided into group R, non‐irradiated RME‐treated (n = 12), group P, irradiated RME‐treated (n = 12) and group C, non‐RME non‐irradiated (n = 6). A 1.5mm metal ring was inserted between maxillary incisors for expansion. In group P, Ga‐Al‐As diode laser (810 nm, 100 mW, 4 J/cm2, 30 secs) was applied. Relapse was measured as space lost between incisors 30 days after appliance removal. In week 2, space loss in group P was significantly lower than other groups. Relapse during weeks 2 and 3 was significantly lower in group P. Therefore, photobiomodulation proved beneficial in resisting relapse and is suggested to be continued until the end of expansion.</abstract><cop>United States</cop><pub>Blackwell Publishing Ltd</pub><pmid>33294968</pmid><doi>10.1111/php.13365</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-0236-0849</orcidid><orcidid>https://orcid.org/0000-0001-5188-8829</orcidid></addata></record> |
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| subjects | Animals Bone growth Incisors Jaw Light therapy Maxilla Orthodontics Palatal Expansion Technique Rats Rats, Sprague-Dawley Recurrence Regeneration Regeneration (physiology) Rodents Semiconductor lasers |
| title | Effect of Photobiomodulation on Relapse in an Experimental Rapid Maxillary Expansion Model in Rat |
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