The Temperature Changes in the Pulp Chamber During Cavity Preparation with the Er:YAG Laser Using a Very Short Pulse
Objective: The aim of this study was to examine the temperature changes in the pulp chamber during cavity preparation with the Er:YAG laser (2940 nm) with a very short pulse (VSP). Materials and Methods: Nine groups of 10 intact molars each were used. One root of each sample was amputated and a ther...
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| Veröffentlicht in: | Photomedicine and laser surgery 2009-04, Vol.27 (2), p.351-355 |
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| container_title | Photomedicine and laser surgery |
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| creator | Krmek, Silvana Juki Miletic, Ivana Simeon, Paris Mehi i, Goranka Prpi Ani, Ivica Radiši, Berislav |
| description | Objective:
The aim of this study was to examine the temperature changes in the pulp chamber during cavity preparation with the Er:YAG laser (2940 nm) with a very short pulse (VSP).
Materials and Methods:
Nine groups of 10 intact molars each were used. One root of each sample was amputated and a thermocouple was inserted into the chamber. Class V cavity preparation in enamel was performed, and then preparation was performed in dentine. The enamel was lased with 400, 360, and 320 mJ in contact mode using a VSP with a duration of 100
μ
sec. The diameter of the fiber tip was 950
μ
m. Frequencies of 10, 12, and 15 Hz were used, and the total time of irradiation was 10 sec. The dentine was irradiated with 340, 280, and 200 mJ at 10, 8, and 5 Hz for 7 sec. Cooling was done with a water spray (73 psi and 50 mL/min). The differences were tested by MANOVA and the Bonferroni
post hoc
test.
Results:
The highest rise in temperature in the pulp was achieved after enamel irradiation with 400 mJ and 15 Hz (1.99 ± 0.28°C), and the lowest was after irradiation with 320 mJ and 10 Hz (0.70 ± 0.18°C). In dentine the highest temperature increase was achieved with 340 mJ and 10 Hz (1.37 ± 0.42°C), and the lowest was with 200 mJ and 5 Hz (0.43 ± 0.18°C). Two-way analysis of both enamel and dentine showed that the influence of energy on temperature increase was stronger than that of frequency.
Conclusion:
Cavity preparation with an Er:YAG laser using VSP mode
in vitro
did not cause significant increases in temperature in the pulp chamber of human molars. |
| doi_str_mv | 10.1089/pho.2008.2247 |
| format | Article |
| fullrecord | <record><control><sourceid>gale_proqu</sourceid><recordid>TN_cdi_proquest_miscellaneous_67148605</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><galeid>A200184918</galeid><sourcerecordid>A200184918</sourcerecordid><originalsourceid>FETCH-LOGICAL-c355t-fae474e0e4b46292f1aea9336a2e2ad50f4a7257993a41179ac88a90d0f6d5ae3</originalsourceid><addsrcrecordid>eNpV0U2LFDEQBuAgivuhR68SELwsPSbppDvxNoy768KAC84KnkJNT_V0pL82SbvMvzftDC6eKlSeVKBeQt5xtuBMm09jMywEY3ohhCxfkHOuVJlppdjL-SxNpiTXZ-QihF-MCVOa_DU54ybXQufmnMRNg3SD3Yge4uSRrhro9xio62lMV_dTO869bouefpm86_d0Bb9dPNB7jyOkV27o6ZOLzV9_7T__XN7SNYTkH8LMgf5Af6Dfm8HHeV7AN-RVDam-PdVL8nBzvVl9zdbfbu9Wy3VW5UrFrAaUpUSGcisLYUTNAcHkeQECBewUqyWUQpXG5CA5Lw1UWoNhO1YXOwWYX5KPx7mjHx4nDNF2LlTYttDjMAVblFzqgqkEPxzhHlq0rq-H6KGasV2m5XItDddJZUdV-SEEj7UdvevAHyxndg7DpjDsHIadw0j-_en7advh7lmftp_A1RHMbej71mFac_wH_x_3B2JFk2s</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>67148605</pqid></control><display><type>article</type><title>The Temperature Changes in the Pulp Chamber During Cavity Preparation with the Er:YAG Laser Using a Very Short Pulse</title><source>MEDLINE</source><source>Alma/SFX Local Collection</source><creator>Krmek, Silvana Juki ; Miletic, Ivana ; Simeon, Paris ; Mehi i, Goranka Prpi ; Ani, Ivica ; Radiši, Berislav</creator><creatorcontrib>Krmek, Silvana Juki ; Miletic, Ivana ; Simeon, Paris ; Mehi i, Goranka Prpi ; Ani, Ivica ; Radiši, Berislav</creatorcontrib><description>Objective:
The aim of this study was to examine the temperature changes in the pulp chamber during cavity preparation with the Er:YAG laser (2940 nm) with a very short pulse (VSP).
Materials and Methods:
Nine groups of 10 intact molars each were used. One root of each sample was amputated and a thermocouple was inserted into the chamber. Class V cavity preparation in enamel was performed, and then preparation was performed in dentine. The enamel was lased with 400, 360, and 320 mJ in contact mode using a VSP with a duration of 100
μ
sec. The diameter of the fiber tip was 950
μ
m. Frequencies of 10, 12, and 15 Hz were used, and the total time of irradiation was 10 sec. The dentine was irradiated with 340, 280, and 200 mJ at 10, 8, and 5 Hz for 7 sec. Cooling was done with a water spray (73 psi and 50 mL/min). The differences were tested by MANOVA and the Bonferroni
post hoc
test.
Results:
The highest rise in temperature in the pulp was achieved after enamel irradiation with 400 mJ and 15 Hz (1.99 ± 0.28°C), and the lowest was after irradiation with 320 mJ and 10 Hz (0.70 ± 0.18°C). In dentine the highest temperature increase was achieved with 340 mJ and 10 Hz (1.37 ± 0.42°C), and the lowest was with 200 mJ and 5 Hz (0.43 ± 0.18°C). Two-way analysis of both enamel and dentine showed that the influence of energy on temperature increase was stronger than that of frequency.
Conclusion:
Cavity preparation with an Er:YAG laser using VSP mode
in vitro
did not cause significant increases in temperature in the pulp chamber of human molars.</description><identifier>ISSN: 1549-5418</identifier><identifier>EISSN: 1557-8550</identifier><identifier>DOI: 10.1089/pho.2008.2247</identifier><identifier>PMID: 19382839</identifier><language>eng</language><publisher>United States: Mary Ann Liebert, Inc</publisher><subject>Body Temperature - radiation effects ; Dental Cavity Preparation - instrumentation ; Dental Pulp Cavity - radiation effects ; Enamel and enameling ; Health aspects ; Humans ; In Vitro Techniques ; Laser Therapy ; Lasers, Solid-State ; Methods ; Physiological aspects ; Solid-state lasers ; Temperature measurements</subject><ispartof>Photomedicine and laser surgery, 2009-04, Vol.27 (2), p.351-355</ispartof><rights>2009 Mary Ann Liebert, Inc.</rights><rights>COPYRIGHT 2009 Mary Ann Liebert, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c355t-fae474e0e4b46292f1aea9336a2e2ad50f4a7257993a41179ac88a90d0f6d5ae3</citedby><cites>FETCH-LOGICAL-c355t-fae474e0e4b46292f1aea9336a2e2ad50f4a7257993a41179ac88a90d0f6d5ae3</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/19382839$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Krmek, Silvana Juki</creatorcontrib><creatorcontrib>Miletic, Ivana</creatorcontrib><creatorcontrib>Simeon, Paris</creatorcontrib><creatorcontrib>Mehi i, Goranka Prpi</creatorcontrib><creatorcontrib>Ani, Ivica</creatorcontrib><creatorcontrib>Radiši, Berislav</creatorcontrib><title>The Temperature Changes in the Pulp Chamber During Cavity Preparation with the Er:YAG Laser Using a Very Short Pulse</title><title>Photomedicine and laser surgery</title><addtitle>Photomed Laser Surg</addtitle><description>Objective:
The aim of this study was to examine the temperature changes in the pulp chamber during cavity preparation with the Er:YAG laser (2940 nm) with a very short pulse (VSP).
Materials and Methods:
Nine groups of 10 intact molars each were used. One root of each sample was amputated and a thermocouple was inserted into the chamber. Class V cavity preparation in enamel was performed, and then preparation was performed in dentine. The enamel was lased with 400, 360, and 320 mJ in contact mode using a VSP with a duration of 100
μ
sec. The diameter of the fiber tip was 950
μ
m. Frequencies of 10, 12, and 15 Hz were used, and the total time of irradiation was 10 sec. The dentine was irradiated with 340, 280, and 200 mJ at 10, 8, and 5 Hz for 7 sec. Cooling was done with a water spray (73 psi and 50 mL/min). The differences were tested by MANOVA and the Bonferroni
post hoc
test.
Results:
The highest rise in temperature in the pulp was achieved after enamel irradiation with 400 mJ and 15 Hz (1.99 ± 0.28°C), and the lowest was after irradiation with 320 mJ and 10 Hz (0.70 ± 0.18°C). In dentine the highest temperature increase was achieved with 340 mJ and 10 Hz (1.37 ± 0.42°C), and the lowest was with 200 mJ and 5 Hz (0.43 ± 0.18°C). Two-way analysis of both enamel and dentine showed that the influence of energy on temperature increase was stronger than that of frequency.
Conclusion:
Cavity preparation with an Er:YAG laser using VSP mode
in vitro
did not cause significant increases in temperature in the pulp chamber of human molars.</description><subject>Body Temperature - radiation effects</subject><subject>Dental Cavity Preparation - instrumentation</subject><subject>Dental Pulp Cavity - radiation effects</subject><subject>Enamel and enameling</subject><subject>Health aspects</subject><subject>Humans</subject><subject>In Vitro Techniques</subject><subject>Laser Therapy</subject><subject>Lasers, Solid-State</subject><subject>Methods</subject><subject>Physiological aspects</subject><subject>Solid-state lasers</subject><subject>Temperature measurements</subject><issn>1549-5418</issn><issn>1557-8550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpV0U2LFDEQBuAgivuhR68SELwsPSbppDvxNoy768KAC84KnkJNT_V0pL82SbvMvzftDC6eKlSeVKBeQt5xtuBMm09jMywEY3ohhCxfkHOuVJlppdjL-SxNpiTXZ-QihF-MCVOa_DU54ybXQufmnMRNg3SD3Yge4uSRrhro9xio62lMV_dTO869bouefpm86_d0Bb9dPNB7jyOkV27o6ZOLzV9_7T__XN7SNYTkH8LMgf5Af6Dfm8HHeV7AN-RVDam-PdVL8nBzvVl9zdbfbu9Wy3VW5UrFrAaUpUSGcisLYUTNAcHkeQECBewUqyWUQpXG5CA5Lw1UWoNhO1YXOwWYX5KPx7mjHx4nDNF2LlTYttDjMAVblFzqgqkEPxzhHlq0rq-H6KGasV2m5XItDddJZUdV-SEEj7UdvevAHyxndg7DpjDsHIadw0j-_en7advh7lmftp_A1RHMbej71mFac_wH_x_3B2JFk2s</recordid><startdate>20090401</startdate><enddate>20090401</enddate><creator>Krmek, Silvana Juki</creator><creator>Miletic, Ivana</creator><creator>Simeon, Paris</creator><creator>Mehi i, Goranka Prpi</creator><creator>Ani, Ivica</creator><creator>Radiši, Berislav</creator><general>Mary Ann Liebert, 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>7X8</scope></search><sort><creationdate>20090401</creationdate><title>The Temperature Changes in the Pulp Chamber During Cavity Preparation with the Er:YAG Laser Using a Very Short Pulse</title><author>Krmek, Silvana Juki ; Miletic, Ivana ; Simeon, Paris ; Mehi i, Goranka Prpi ; Ani, Ivica ; Radiši, Berislav</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c355t-fae474e0e4b46292f1aea9336a2e2ad50f4a7257993a41179ac88a90d0f6d5ae3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Body Temperature - radiation effects</topic><topic>Dental Cavity Preparation - instrumentation</topic><topic>Dental Pulp Cavity - radiation effects</topic><topic>Enamel and enameling</topic><topic>Health aspects</topic><topic>Humans</topic><topic>In Vitro Techniques</topic><topic>Laser Therapy</topic><topic>Lasers, Solid-State</topic><topic>Methods</topic><topic>Physiological aspects</topic><topic>Solid-state lasers</topic><topic>Temperature measurements</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Krmek, Silvana Juki</creatorcontrib><creatorcontrib>Miletic, Ivana</creatorcontrib><creatorcontrib>Simeon, Paris</creatorcontrib><creatorcontrib>Mehi i, Goranka Prpi</creatorcontrib><creatorcontrib>Ani, Ivica</creatorcontrib><creatorcontrib>Radiši, Berislav</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Photomedicine and laser surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Krmek, Silvana Juki</au><au>Miletic, Ivana</au><au>Simeon, Paris</au><au>Mehi i, Goranka Prpi</au><au>Ani, Ivica</au><au>Radiši, Berislav</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Temperature Changes in the Pulp Chamber During Cavity Preparation with the Er:YAG Laser Using a Very Short Pulse</atitle><jtitle>Photomedicine and laser surgery</jtitle><addtitle>Photomed Laser Surg</addtitle><date>2009-04-01</date><risdate>2009</risdate><volume>27</volume><issue>2</issue><spage>351</spage><epage>355</epage><pages>351-355</pages><issn>1549-5418</issn><eissn>1557-8550</eissn><abstract>Objective:
The aim of this study was to examine the temperature changes in the pulp chamber during cavity preparation with the Er:YAG laser (2940 nm) with a very short pulse (VSP).
Materials and Methods:
Nine groups of 10 intact molars each were used. One root of each sample was amputated and a thermocouple was inserted into the chamber. Class V cavity preparation in enamel was performed, and then preparation was performed in dentine. The enamel was lased with 400, 360, and 320 mJ in contact mode using a VSP with a duration of 100
μ
sec. The diameter of the fiber tip was 950
μ
m. Frequencies of 10, 12, and 15 Hz were used, and the total time of irradiation was 10 sec. The dentine was irradiated with 340, 280, and 200 mJ at 10, 8, and 5 Hz for 7 sec. Cooling was done with a water spray (73 psi and 50 mL/min). The differences were tested by MANOVA and the Bonferroni
post hoc
test.
Results:
The highest rise in temperature in the pulp was achieved after enamel irradiation with 400 mJ and 15 Hz (1.99 ± 0.28°C), and the lowest was after irradiation with 320 mJ and 10 Hz (0.70 ± 0.18°C). In dentine the highest temperature increase was achieved with 340 mJ and 10 Hz (1.37 ± 0.42°C), and the lowest was with 200 mJ and 5 Hz (0.43 ± 0.18°C). Two-way analysis of both enamel and dentine showed that the influence of energy on temperature increase was stronger than that of frequency.
Conclusion:
Cavity preparation with an Er:YAG laser using VSP mode
in vitro
did not cause significant increases in temperature in the pulp chamber of human molars.</abstract><cop>United States</cop><pub>Mary Ann Liebert, Inc</pub><pmid>19382839</pmid><doi>10.1089/pho.2008.2247</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1549-5418 |
| ispartof | Photomedicine and laser surgery, 2009-04, Vol.27 (2), p.351-355 |
| issn | 1549-5418 1557-8550 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_67148605 |
| source | MEDLINE; Alma/SFX Local Collection |
| subjects | Body Temperature - radiation effects Dental Cavity Preparation - instrumentation Dental Pulp Cavity - radiation effects Enamel and enameling Health aspects Humans In Vitro Techniques Laser Therapy Lasers, Solid-State Methods Physiological aspects Solid-state lasers Temperature measurements |
| title | The Temperature Changes in the Pulp Chamber During Cavity Preparation with the Er:YAG Laser Using a Very Short Pulse |
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