Results 41 to 50 of about 2,646,104 (204)

The clinical effects of laser preparation of tooth surfaces for fissure sealants placement: a systematic review and meta-analysis

BMC Oral Health, 2019
Background This systematic review aimed to assess the clinical effects of laser preparation compared to other types of chemical or mechanical preparation of tooth surfaces used in fissure sealant placement.
Yunhan Zhang, Yan Wang, Yandi Chen, Yang Chen, Qiong Zhang, Jing Zou   +5 more
doaj   +1 more source

Effect of enamel-surface modifications on shear bond strength using different adhesive materials

BMC Oral Health, 2022
Background This study aimed to investigate the effect of enamel-surface modifications on the shear bond strength between ceramic brackets bonded using different adhesive materials and the enamel surface and to identify the most suitable clinical adhesive
Bo-wen Zheng, Shan Cao, Majedh Abdo Ali Al-Somairi, Jia He, Yi Liu   +4 more
doaj   +1 more source

EFFECT OF ETCHING TIME AND ACID CONCENTRATION ON MICROMORPHOLOGICAL CHANGES IN DENTIN OF BOTH DENTITIONS [PDF]

Journal of IMAB, 2016
Aim: to compare micro morphological changes in primary and permanent dentin after etching with phosphoric acid (20% and 37,5%) for 7 and 15 sec. by SEM.
Natalia Gateva, Angela Gusyiska, Pavel Stanimirov, Rossitza Kabaktchieva, Ivan Raiche   +4 more
doaj   +1 more source

Enamel Deproteinization: Will It Save The Shear Bond Strength For The Sake Of Preventing White Spot Lesions?

Brazilian Dental Science, 2021
Objective: This study attempted to investigate the effect of enamel deproteinization using citric acid, PEG 400 and NaOCL on the shear bond strength of orthodontic brackets to enamel using nano-silver modified resin for the prevention of white spot ...
Omnia A. Elhiny, Dina A. El-Refai
doaj   +1 more source

Chemical treatment of monocrystalline cadmium telluride and Cd1-xMnxTe solid solutions by H2O2 – HI – citratic acid etchant compositions [PDF]

, 2009
У відтворюваних гідродинамічних умовах досліджено характер розчинення CdTe та Cd1-xMnxTe в розчинах системи НІ – Н2О2 – цитратна кислота. Побудовані поверхні однакових швидкостей розчинення (діаграми Гіббса), визначені лімітуючі стадії процесу розчинення
Чернюк О. С., Денисюк Р. О., Томашик З. Ф., Томашик В. М., Гриців В. І.   +4 more
core   +1 more source

A study on enamel demineralization produced by citric acid

口腔疾病防治, 2016
Objective To observe the effect of different etching time of citric acid on enamel blocks to acquire a reliable in vitro model for early enamel caries, and explore more effective experiment method for enamel demineralization.Methods Human premolars were ...
SHEN Xiao-qing
doaj   +1 more source

Influence of calcium hydroxide dressing and acid etching on the push-out bond strengths of three luting resins to root canal dentin

, 2017
This study aims to investigate the effects of calcium hydroxide (Ca(OH)(2)) dressing in root canals and the effects of subsequent acid etching on the adhesion of luting resins to root canals.
Lee, Bor-Shiunn; Lin, Yu-Chen; Chen, Sing-Fu; Chen, Shu-Yu; Chang, Che-Chen
core   +1 more source

Concentrator cell methodology in the regeneration and recycle of chromium etching solutions using membrane technology [PDF]

, 2006
The regeneration of chromium (VI) and the recovery of etched copper from chromium etching solutions by electrodialysis is improved by the addition of a concentrator cell, using ion exchange resins or activated carbon cloth as concentrator media, in the ...
Ganguli, B, Grimes, SM, Chaudhary, AJ
core   +1 more source

An Assessment of the Impact of Erbium Laser and Conventional Etching Techniques on Microleakage, Shear, and Microtensile Bond Strength of Hydrophobic and Hydrophilic Pit and Fissure Sealant – An In vitro Study

Journal of Indian Association of Public Health Dentistry
Purpose: In recent years, laser etching has emerged as an alternative to conventional acid etching for enamel surface pretreatment due to its drawbacks. This method can be used as a substitute for preparing pits and fissures before sealing.
Harshini Ravichandran, C Vishnu Rekha, Dhanraj Kalaivanan, Sumaiyya Saleem, Sai Sarath Kumar Kothimbakkam, A. K. R. Santhosh Priya   +5 more
doaj   +1 more source

Effect of Er, Cr:YSGG laser enamel etching with varying power output and irradiation time on the shear bond strength

Journal of Orthodontic Science, 2022
BACKGROUND: Laser etching addresses the disadvantages of conventional acid etching technique, such as enamel decalcification and formation of white spot lesions.
Saravana Kumar Subramanian, Prema Anbarasu, R S Joushua, Yamini Jeyaraj, Sushmitha R Iyer, Nivethitha Bhaskar   +5 more
doaj   +1 more source