The reproducibility of electronic color measurements of the marginal gingiva.
Class V
Color
Easyshade
Electronic color measurement
Esthetic dentistry
Gingiva
Periodontal
Soft tissue
Journal
Clinical oral investigations
ISSN: 1436-3771
Titre abrégé: Clin Oral Investig
Pays: Germany
ID NLM: 9707115
Informations de publication
Date de publication:
Jan 2021
Jan 2021
Historique:
received:
26
07
2019
accepted:
15
05
2020
pubmed:
24
6
2020
medline:
8
1
2021
entrez:
24
6
2020
Statut:
ppublish
Résumé
This study evaluated the reproducibility of electronic color determination system evaluations of the marginal gingiva, which could be important for adhesive cervical fillings or prosthetic restorations that imitate the gingiva. In 50 subjects, the L*, a*, and b* color coordinates were evaluated five times at a point in the marginal area of a central incisor using different electronic color determination systems: (SP) Shadepilot, (ES) Easyshade, (CE) Crystaleye, and (SV) X-Rite. The mean color difference (ΔE) and its standard deviation between the five measurements from each participant were calculated separately for each device. Further ICC for interdevice reliability was determined. The L*, a*, and b* color coordinates and ΔE values differed significantly among the systems (p < 0.001). Within each patient and measurement system, ΔE ranged from 1.4 to 3.2 (SD 1.1-2.5), L* from 2.6 to 5.7 (SD 2.6-5.7), a* from 11.9 to 21.3 (SD 3.6-3.9), and b* from 15.1 to 28.9 (SD 1.7-4.3). Interdevice reliability ranged between 0.675 and 0.807. Color determination of the marginal gingiva using the electronic tooth color determination systems tested herein showed limited reproducibility. The results obtained with the different measurement systems differed enormously. These results show that the electronic color measurement devices tested allow no high reproducible determination of color coordinates of the marginal gingiva.
Identifiants
pubmed: 32572639
doi: 10.1007/s00784-020-03345-x
pii: 10.1007/s00784-020-03345-x
pmc: PMC7785552
doi:
Types de publication
Journal Article
Langues
eng
Pagination
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