Results 101 to 110 of about 613,892 (291)
Dental amalgam and urinary mercury concentrations: a descriptive study
BackgroundDental amalgam is a source of elemental and inorganic mercury. The safety of dental amalgam in individuals remains a controversial issue. Urinary mercury concentrations are used to assess chronic exposure to elemental mercury. At present, there
Alexandra Nicolae, H. Ames, C. Quiñonez
semanticscholar +1 more source
Validation of clinically related aging models based on enamel wear
Abstract Purpose Physiological and erosive wear reported in clinical studies were reviewed, and in vitro aging models were developed to simulate and compare the effect of aging on human teeth with the review data obtained from clinical studies. Methods A review of clinical studies and randomized clinical trials that quantify enamel wear was performed ...
Beshr Hajhamid+5 more
wiley +1 more source
Design of quantum correlation based automatic focus detection system during dental laser operation [PDF]
Dental laser has been developed recently and gradually replaced the conventional dental treatment methods, especially in dental caries removal. The utility of laser in dentistry contributes to reduce the pain during surgery and decrease the risk of sequelae after surgery.
arxiv
Automatic Recognition of Landmarks on Digital Dental Models [PDF]
Fundamental to improving Dental and Orthodontic treatments is the ability to quantitatively assess and cross-compare their outcomes. Such assessments require calculating distances and angles from 3D coordinates of dental landmarks. The costly and repetitive task of hand-labelling dental models impedes studies requiring large sample size to penetrate ...
arxiv
Objective To assess Jordanian dentists’ current perception and attitudes towards amalgam and composite restorations four years after the Minamata treaty was endorsed and suggest decision making factors that may influence the type of restoration requested
Ayah Abdullah Al-Asmar+3 more
doaj +1 more source
Influence of the color of 3D‐printed scan aids on the trueness of complete arch digital scans
Abstract Purpose To determine the influence of using 3D‐printed scan aids in varying colors on the trueness of digital scans. Materials and Methods A master cast with five multi‐unit analogues was scanned. The acquired dataset was exported to standard tessellation language (STL) file format to serve as the reference STL. 3D printing of the prototype in
Özay Önöral, Selin Çakır
wiley +1 more source
Optimizing the procedure for mercury recovery from dental amalgam
Mercury, as any other heavy metal, may cause environmental damages due to its accumulation and biotransformation. Dental offices, whether private or institutional, use dental amalgam as a restorative material on a daily basis.
Flávia Godoy Iano+6 more
doaj +1 more source
Oral Lichenoid Contact Lesions to Mercury and Dental Amalgam—A Review
Human oral mucosa is subjected to many noxious stimuli. One of these substances, in those who have restorations, is dental amalgam which contains mercury.
H. Mcparland, S. Warnakulasuriya
semanticscholar +1 more source
Dietary questions in caries risk assessment and their relationship to caries
Abstract Objective This retrospective chart review evaluated the relationship between specific dietary questions used in caries risk assessment and planned restorative treatment among patients attending a dental school's clinic. Methods Records for 6,218 adult patients attending the University of Iowa College of Dentistry who completed caries risk ...
Casey Delaney+3 more
wiley +1 more source
Objectives: The objectives of this study are to determine the association between the incidence of attention-deficit and hyperactivity disorder (ADHD) in children of mothers with and without amalgam fillings.
Fatmah Nasser Almotawah+6 more
doaj +1 more source