Abstract：
OBJECTIVES:To determine the difference in light reflection of oral mucosa covering titanium (Ti) or zirconia (ZrO(2)) abutments as it relates to the thickness of the covering mucosa. MATERIAL AND METHODS:Fifteen anterior implants (Astra Osseo speed(®)) in 11 patients were fitted with a Ti or a ZrO(2) abutment (cross-over, within-subject comparison). Hyper-spectral images were taken with a camera fitted on a surgical microscope. High-resolution images with 70 nm interval between 440 and 720 nm were obtained within 30 s (1392 × 1024 pixels). Black- and white-point reference was used for spatial and spectral normalization as well as correction for motion during exposure. Reflection spectra were extracted from the image on a line mid-buccal of the implant, starting 1 mm above the soft tissue continuing up to 3 mm apically. RESULTS:Median soft tissue height is 2.3 mm (min: 1.2 mm and max: 3.1 mm). The buccal mucosa rapidly increases in the thickness, when moving apically. At 2.2 mm, thickness is 3 mm. No perceivable difference between the Ti and ZrO(2) abutment can be observed when the thickness of the mucosa is 2±0.1 mm (95% confidence interval) or more. CONCLUSION:It is expected that the difference in light reflection of soft tissue covering Ti or ZrO(2) abutments is no longer noticeable for the human eye when the mucosa thickness exceeds 2 mm. Haemoglobin peaks in the reflection spectrum can be observed and make hyper-spectral imaging a practical and useful tool for measuring soft tissue health.
journal_name
Clin Oral Implants Resjournal_title
Clinical oral implants researchauthors
van Brakel R,Noordmans HJ,Frenken J,de Roode R,de Wit GC,Cune MSdoi
10.1111/j.1600-0501.2010.02082.xsubject
Has Abstractpub_date
2011-10-01 00:00:00pages
1172-1178issue
10eissn
0905-7161issn
1600-0501journal_volume
22pub_type
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journal_title：Clinical oral implants research
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journal_title：Clinical oral implants research
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doi：10.1111/j.1600-0501.2009.01732.x
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journal_title：Clinical oral implants research
pub_type： 杂志文章
doi：10.1046/j.1600-0501.2003.01008.x
更新日期：2004-06-01 00:00:00
abstract：:This study compared osteoblasts proliferation, differentiation, and protein synthesis on new and used titanium (Ti) disks to test the hypothesis that cleaning and resterilization of previously used Ti disks does not alter cell response to a particular surface. Ti disks of varying roughness were prepared by one of five...
journal_title：Clinical oral implants research
pub_type： 杂志文章
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journal_title：Clinical oral implants research
pub_type： 杂志文章,多中心研究,随机对照试验
doi：10.1111/j.1600-0501.2010.01949.x
更新日期：2010-11-01 00:00:00
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journal_title：Clinical oral implants research
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journal_title：Clinical oral implants research
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doi：10.1111/j.1600-0501.2006.01271.x
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journal_title：Clinical oral implants research
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pub_type： 杂志文章
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pub_type： 杂志文章,多中心研究
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更新日期：2016-06-01 00:00:00
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更新日期：2018-07-01 00:00:00
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journal_title：Clinical oral implants research
pub_type： 杂志文章
doi：10.1111/j.1600-0501.2005.01110.x
更新日期：2005-06-01 00:00:00
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journal_title：Clinical oral implants research
pub_type： 杂志文章
doi：10.1111/clr.12815
更新日期：2017-04-01 00:00:00
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journal_title：Clinical oral implants research
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journal_title：Clinical oral implants research
pub_type： 杂志文章,随机对照试验
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更新日期：2019-02-01 00:00:00
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journal_title：Clinical oral implants research
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journal_title：Clinical oral implants research
pub_type： 杂志文章
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更新日期：1991-01-01 00:00:00
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journal_title：Clinical oral implants research
pub_type： 杂志文章
doi：10.1111/clr.12264
更新日期：2014-11-01 00:00:00
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journal_title：Clinical oral implants research
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更新日期：2000-08-01 00:00:00
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journal_title：Clinical oral implants research
pub_type： 杂志文章
doi：10.1034/j.1600-0501.1994.050101.x
更新日期：1994-03-01 00:00:00
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journal_title：Clinical oral implants research
pub_type： 杂志文章
doi：10.1111/clr.12663
更新日期：2016-08-01 00:00:00
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journal_title：Clinical oral implants research
pub_type： 杂志文章
doi：10.1111/j.1600-0501.2008.01599.x
更新日期：2009-08-01 00:00:00
abstract：OBJECTIVES:Published information regarding the use of rat jawbones for dental implant osseointegration research is limited and often inconsistent. This study assessed the suitability and feasibility of placing dental implants into the rat maxilla and to establish parameters to be used for dental implant research using ...
journal_title：Clinical oral implants research
pub_type： 杂志文章
doi：10.1111/clr.12571
更新日期：2016-12-01 00:00:00
