Results 11 to 20 of about 2,646,104 (204)

Effects of Er: YAG laser and acid etching on bond strength of clear aligner attachments to fluorotic enamel. [PDF]

open access: yesPLoS ONE
BackgroundThere is a lack of research on the bonding ability of attachments to fluorosis enamel. This study evaluates Er: YAG laser-assisted acid etching as a potential optimization protocol.MethodsTwenty healthy teeth and ninety fluorotic teeth ...
Rui Xia, Jie Lei, Maoxuan Luo, Yao Xiao
doaj   +2 more sources

The effect of phosphoric acid etching duration on the bond strength of universal adhesive on enamel with or without erosion [PDF]

open access: yesFrontiers in Dental Medicine
This study evaluated the effect of phosphoric acid etching duration on the bond strength of a universal adhesive (UA) on enamel, both with and without erosion (0.3% citric acid with a pH of 2.6 for 5 min four times a day for five consecutive days). Flat,
Shasha Huang   +5 more
doaj   +2 more sources

Clinical Evaluation of a Fissure Sealant Placed by Acid Etching or Er:YAG Laser Combined with Acid Etching.

open access: yesOral health & preventive dentistry, 2017
To evaluate the efficacy of conventional acid etching alone (acid etching) and Er:YAG laser combined with acid etching (laser + acid etching) on fissure sealant (FS) retention of first permanent molars (FPMs) after 18 months.Using a split-mouth design in 51 children, a total of 204 FPMs were sealed with acid etching alone or laser plus acid etching ...
DURMUŞ, BAŞAK   +3 more
openaire   +4 more sources

Role of free hydrochloric acid in the low-cost regeneration of ferric chloride etchant by oxygen gas [PDF]

open access: yes, 2005
This thesis concerns the development of a low cost and environment- friendly method for the regeneration of the most widely used aqueous etchant, ferric chloride, found in photochemical machining (PCM) facilities.
Jefferies, P. J.
core   +7 more sources

In vitro Evaluation of Microleakage of Universal Bonding for Fissure Sealing of Permanent Mandibular Teeth [PDF]

open access: yesJournal of Mashhad Dental School, 2021
Introduction: Fissure sealing is considered one of the most important preventive methods of caries in dentistry. This study aimed to investigate the effect of universal bonding on fissure sealing of permanent molars.
Faezeh fotouhi   +3 more
doaj   +1 more source

Comparison of the Effects of Laser Irradiation and Conventional Acid Etching on the Surface Characteristics and Bond Strength of Bonded Molar Tubes—an In Vitro Study

open access: yesJournal of Indian Orthodontic Society, 2023
Introduction: The aim of study is to determine if laser irradiated enamel may be a viable alternative to acid etching for orthodontic bonding of molar tubes. Method: Sixty extracted permanent molars were divided into 3 groups of 20 each.
Anisha H. Revdekar   +3 more
doaj   +1 more source

Effect of Hydrofluoric Acid Etching Time on Titanium Topography, Chemistry, Wettability, and Cell Adhesion. [PDF]

open access: yesPLoS ONE, 2016
Titanium implant surface etching has proven an effective method to enhance cell attachment. Despite the frequent use of hydrofluoric (HF) acid, many questions remain unresolved, including the optimal etching time and its effect on surface and biological ...
R Zahran   +3 more
doaj   +1 more source

Dry etching and sputtering [PDF]

open access: yes, 2003
Dry etching is an important process for micro- and nanofabrication. Sputtering effects can arise in two contexts within a dry-etch process. Incoming ions cause removal of volatile products that arise from the interaction between the dry-etch plasma and ...
Wilkinson, C.D.W.   +3 more
core   +2 more sources

Shear Bond Strength of an Etch-and-rinse Adhesive to Er:YAG Laser- and/or Phosphoric Acid-treated Dentin

open access: yesJournal of Dental Research, Dental Clinics, Dental Prospects, 2013
Background and aims. Er:YAG laser irradiation has been claimed to improve the adhesive properties of dentin; therefore, it has been proposed as an alternative to acid etching. The aim of this in vitro study was to investigate the shear bond strength of
Abdolrahim Davari   +2 more
doaj   +1 more source

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