An investigation into the cutting efficiency of a novel degradable glass as an alternative to alumina powder in air abrasion cutting of enamel.
Air abrasion
Alternative materials
Alumina powder
Aluminum oxide
Degradable glass
Zinc glasses
Journal
Clinical oral investigations
ISSN: 1436-3771
Titre abrégé: Clin Oral Investig
Pays: Germany
ID NLM: 9707115
Informations de publication
Date de publication:
Mar 2022
Mar 2022
Historique:
received:
18
01
2021
accepted:
15
11
2021
pubmed:
27
11
2021
medline:
9
3
2022
entrez:
26
11
2021
Statut:
ppublish
Résumé
To develop and test the cutting efficiency of a novel degradable glass as an alternative media to alumina powder for air abrasion. A zinc-based glass (QMZK2) was designed, produced, and evaluated with a multi-modality imaging analysis. The glass dissolution study was carried out in three acids, using ICP-OES (inductively coupled plasma optical emission spectroscopy) at 5 different time points: 2.5, 5, 10, 60, and 240 min. The cutting efficiency of both materials was tested under the same parameters on slabs of elephant enamel. A stained fissure of a molar tooth was air abraded with the glass and evaluated with X-ray micro-tomography before and after air abrasion. The particle size distribution of the glass was similar to that of alumina 53 µm but with a slightly greater dispersion of particle size. The shape of the particles was angular, appropriate for cutting purposes. The dissolution study showed that the glass dissolved rapidly in acidic conditions at all time points. Between the two variables, pressure and powder flow, pressure was found to influence the cutting speed to a greater extent than powder flow. Alumina powder was found to perform significantly better in 4 of the 9 conditions tested on elephant enamel, QMZK2 in one, and no significant differences were found for the rest of the 4 conditions. The QMZK2 seems to offer promising results as an alternative material to alumina. QMZK2 glass has the potential for replacing aluminum oxide as a degradable material in air abrasion technology.
Identifiants
pubmed: 34825281
doi: 10.1007/s00784-021-04307-7
pii: 10.1007/s00784-021-04307-7
pmc: PMC8898252
doi:
Substances chimiques
Powders
0
Aluminum Oxide
LMI26O6933
Types de publication
Journal Article
Langues
eng
Pagination
3251-3259Informations de copyright
© 2021. The Author(s).
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