Results 21 to 30 of about 88,827 (261)

Etiology of tooth discoloration- a review [PDF]

, 2010
Discoloration of the tooth can erode the sparkle from a smile. In the management of patients with discolored tooth, knowledge of the mechanisms behind tooth discoloration is of relevance as it can influence the treatment plan. In certain instances it may
Abhishek, P., S. T. Manuel, P. Abhishek, M. Kundabala, Kundabala, M., Manuel, S. T.   +5 more
core   +1 more source

Effect of Different Surface Coating Applications on The Surface Roughness and Color Stability of Resin-Based Composites: An SEM Study

Current Research in Dental Sciences
Objective: To investigate color change and surface roughness of resin-based composites treated with a surface coating agent. Methods: Forty specimens were prepared from each resin [G-ænial Posterior (microhybrid composite/GP) and SDR flow+(bulk-fill ...
Ebru Delikan, Ayşe Tuğba Ertürk-avunduk,   +1 more
doaj   +1 more source

First report on Pythium myriotylum as pathogen on duckweed (Lemna minor L.) in hydroponic systems in Germany

Journal für Kulturpflanzen, 2021
Duckweed is a promising resource for future feed and food production as well as wastewater treatment. However, diseases and pests can critically limit the performance of the production systems. Patches of discolored and bleached duckweed (Lemna minor L.)
Thomas Brand, Finn Petersen, Johannes Demann, Alexandra Wichura   +3 more
doaj   +1 more source

Drug-Induced Discoloration of Teeth

, 2011
The problem of tooth discoloration is emerging in our society because of the poor oral hygiene, physical agents, environmental chemicals, mouth rinses, some dental procedures, general systemic conditions, and drugs.
Anita Hooda, Vijay Kumar, Arun Kumar, Janardhan Singh, Samir Dutta   +4 more
core   +1 more source

TYPES OF TOOTH DISCOLORATION IN ADULTS OF RAMADI CITY, AL-ANBAR PROVINCE, IRAQ: STATISTICAL STUDY [PDF]

, 2008
: During the period June 2005 to June 2006, 158 patients with teeth discoloration were interviewed regarding the causes of discoloration. Most common cause of discoloration teeth in females was the caries, whereas trauma and dentin development problems ...
Hamid Hammad Anizy
core   +2 more sources

Spectrophotometric analysis of crown discoloration induced by various intracanal medicaments: An in vitro study

Endodontology, 2021
Aim: The aim of the study was to assess discoloration potential of four different intracanal medicaments. Materials and Methods: Thirty single-rooted extracted bovine incisors were sectioned to a standardized root length, accessed, instrumented, and ...
Amishi Amit Parikh, D N Nirupama, D N Naveen, J Sindhu, Mohan Thomas Nainan   +4 more
doaj   +1 more source

Characterization of Pork Loin Chop Color Stability Using Loin Quality Traits and Instrumental Discoloration Measures [PDF]

, 2022
The objective of this study was to characterize the color stability of pork loin chops using fresh quality traits and instrumental measures of discoloration. Boneless pork loins (N=484) were evaluated for quality traits at 11 or 14 d post-mortem.
Anna C. Dilger, Surendranath P. Suman, Dustin Boler, Kayla E Barkley, Bailey Harsh   +4 more
core   +2 more sources

Teeth discoloration during orthodontic treatment

, 2021
Objective: Teeth discoloration is a rare orthodontic complication. The aim of this study was to report the clinical progression of discoloration during orthodontic treatment.
전윤식
core   +2 more sources

Mechanistic Study on Orpiment Pigment Discoloration Induced by Reactive Oxygen Species

Molecules
Orpiment (As2S3), a yellow mineral pigment widely used in historical artworks, undergoes degradation that seriously threatens the integrity of Dunhuang murals.
Jiaxing Sun, Zhehan Zhang, Xiaofen Chen, Qin Huang, Zhilin Bian, Wenyuan Zhang, Bomin Su, Haixia Zhang   +7 more
doaj   +1 more source

Hybrid GTAW–FCAW of 316L Stainless Steel Pipes: Influence of Oxygen Content in Baking Gas and Surface Preparation on Oxide Characteristics and Corrosion Behavior

Journal of Manufacturing and Materials Processing
This study investigates the combined effects of oxygen content in the purging gas and pre-weld surface finish on the discoloration and corrosion resistance of AISI 316L pipe joints, with relevance to pipe welding where internal cleaning is constrained ...
Mohammad Maroufkhani, Alireza Khodabandeh, Iulian Radu, Mohammad Jahazi   +3 more
doaj   +1 more source