Photometric CIELAB Analysis of the Gingiva: A Novel Approach to Assess Response to Periodontal Therapy

Background: A new photometric method is introduced for assessment of gingival condition and changes after periodontal therapy. Methods: Clinical data (probing depth [PD], plaque index [PI], gingival index [GI], bleeding on probing [BOP], and clinical attachment level) and photographs from 53 partici...

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Bibliographic Details
Published in:Journal of periodontology (1970) 2017-09, Vol.88 (9), p.854-859
Main Authors: Mayer, Yaniv, Ginesin, Ofir, Machtei, Eli E.
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Aged, 80 and over
Chronic periodontitis
Color
Dentistry
Female
Gingiva - diagnostic imaging
gingivitis
Humans
Image Processing, Computer-Assisted
Israel
Male
Middle Aged
Periodontal Index
Periodontitis - therapy
Photography
Retrospective Studies
Treatment Outcome
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Summary:Background: A new photometric method is introduced for assessment of gingival condition and changes after periodontal therapy. Methods: Clinical data (probing depth [PD], plaque index [PI], gingival index [GI], bleeding on probing [BOP], and clinical attachment level) and photographs from 53 participants (26 males and 27 females) undergoing initial periodontal treatment were used for this analysis. Each maxillary anterior area was photographed before and 3 months after treatment. Digital image analysis was performed around one incisional tooth, and color data were expressed in terms of L*, a*, and b* values in accordance with the CIELAB color space. Non‐parametric Mann–Whitney U test was used for within‐group comparisons of disease resolution, as well as means and standard deviations of clinical parameters and ΔL, Δa, and Δb values from baseline to re‐evaluation. Results: Significant reduction in mean PI, GI, PD, and BOP were found after treatment in all groups (P
ISSN:0022-3492
1943-3670
DOI:10.1902/jop.2017.170004