Abstract：
OBJECTIVE:The aim of this in vitro study was to compare fluorescence-aided caries excavation with conventional excavation based on the Martens and Vickers hardness of dentin at the cavity floor after caries removal. MATERIALS AND METHODS:In total, 20 extracted human teeth with dentin caries were bisected through the lesion center into two halves, which were assigned to either the fluorescence-aided caries excavation group or the conventional excavation group. After the treatment, embedding, mounting, and polishing, a line of indentations from the dental pulp across the sound dentin to the cavity floor was made on each sample. The data were compared with Student's t and Mann-Whitney U tests. RESULTS:The calculated Vickers hardness of the sound dentin was 57 ± 10 kg/mm(2) in the fluorescence-aided caries excavation group and 59 ± 8 kg/mm(2) in the conventional excavation group, which is consistent with the previous studies. The absolute and relative Martens hardness measurements of the cavity floor were 224 ± 93 N/mm(2) and 46 ± 17%, respectively, in the fluorescence-aided caries excavation group and 412 ± 75 N/mm(2) and 81 ± 14%, respectively, in the conventional excavation group. Based on either the Martens or Vickers hardness, both the absolute and relative microhardness measurements of the cavity floor after fluorescence-aided caries excavation were significantly lower than the values obtained by conventional excavation. CONCLUSION:Fluorescence-aided caries excavation showed the tissue-preserving property and was more conservative than the conventional excavation in this in vitro study.
journal_name
Clin Oral Investigjournal_title
Clinical oral investigationsauthors
Lai G,Zhu L,Xu X,Kunzelmann KHdoi
10.1007/s00784-013-0999-ysubject
Has Abstractpub_date
2014-01-01 00:00:00pages
599-605issue
2eissn
1432-6981issn
1436-3771journal_volume
18pub_type
杂志文章abstract：OBJECTIVES:This study aimed to investigate the effect of fracture orientation on the detection accuracy of vertical root fractures (VRFs) in non-endodontically treated teeth using four different cone beam computed tomography (CBCT) units. MATERIALS AND METHODS:Thirty eight out of 148 extracted human permanent teeth we...
journal_title：Clinical oral investigations
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更新日期：2019-12-01 00:00:00
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更新日期：2018-03-01 00:00:00
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更新日期：2015-03-01 00:00:00
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更新日期：2016-09-01 00:00:00
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更新日期：2012-08-01 00:00:00
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journal_title：Clinical oral investigations
pub_type： 杂志文章
doi：10.1007/s00784-013-1163-4
更新日期：2014-09-01 00:00:00
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journal_title：Clinical oral investigations
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更新日期：2011-10-01 00:00:00
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更新日期：2007-09-01 00:00:00
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更新日期：2011-06-01 00:00:00
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doi：10.1007/s00784-009-0314-0
更新日期：2010-08-01 00:00:00
abstract：:The aim of this randomized double-blinded preliminary study was to evaluate the clinical and microbiological long-term effects of an essential-oil-containing mouth rinse as the active agent utilized in the "one-stage full-mouth disinfection protocol." Probing pocket depth and plaque and gingival indices were evaluated...
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更新日期：2009-06-01 00:00:00
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更新日期：2006-09-01 00:00:00
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doi：10.1007/s00784-015-1707-x
更新日期：2016-11-01 00:00:00
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更新日期：2004-06-01 00:00:00
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pub_type： 杂志文章,随机对照试验
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更新日期：2012-02-01 00:00:00
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更新日期：2021-01-07 00:00:00
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更新日期：2010-06-01 00:00:00
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更新日期：2020-07-01 00:00:00
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更新日期：2015-03-01 00:00:00
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更新日期：2014-05-01 00:00:00
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更新日期：2020-12-01 00:00:00
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更新日期：2020-09-01 00:00:00
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journal_title：Clinical oral investigations
pub_type： 杂志文章,meta分析,评审
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更新日期：2014-04-01 00:00:00
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pub_type： 杂志文章
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更新日期：2016-05-01 00:00:00
