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Non-Contact Index for Periodontal In...

Katmeh, Khaled.

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Non-Contact Index for Periodontal Inflammation.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Non-Contact Index for Periodontal Inflammation./
作者:	Katmeh, Khaled.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
面頁冊數:	97 p.
附註:	Source: Masters Abstracts International, Volume: 80-12.
Contained By:	Masters Abstracts International80-12.
標題:	Dentistry. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13885896
ISBN:	9781392271292

Non-Contact Index for Periodontal Inflammation.
Katmeh, Khaled.

Non-Contact Index for Periodontal Inflammation. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 97 p.

Source: Masters Abstracts International, Volume: 80-12.

Thesis (M.S.)--State University of New York at Buffalo, 2019.

This item must not be sold to any third party vendors.

Nearly 50% of American adults suffer from gingival disease. Diagnosis of periodontitis depends on attachment loss, which can be measured with a periodontal probe. A non-contacting method to quantitatively measure tissue inflammation must be useful in some circumstances, particularly if data can be correlated with attachment loss. In the current study, a noncontacting spectral reflectance device (Spotmeter®) was used to quickly record reflectance from 2mm diameter spots at gingival papillae of patients' mouths at a distance of approximately 50-cm to monitor inflammation-related coloration. For the Institution Review Board-approved in-vivo studies, baseline measurements were obtained at the initial patient visit and at each subsequent visit to assess tissue color during a series of treatment appointments. The primary measure was the ratio of red reflectance to the sum of red, blue, and green reflectance at each occasion, as compared with the coloration of gingival tissues not in an inflamed state. Prior to clinical measurements, in vitro studies were conducted to confirm color data from standard samples of primary colors of paints and of denture materials. Preclinical measurements also were taken to select Spotmeter®-object distance and light-object distance and angles. The in-vitro experiments demonstrated that controlling the source of illumination, angle of illumination, and distance between the object of interest and the Spotmeter® were critical for producing reliable results and a configuration that could be translated to the clinic. The results from this pilot clinical study support the conclusion that invivo spectral reflectance can be used to monitor the reduction in inflammation during periodontal treatment.

ISBN: 9781392271292Subjects--Topical Terms:

828971
Dentistry.

Non-Contact Index for Periodontal Inflammation.
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