Results 51 to 60 of about 343,283 (222)
Advanced Science, EarlyView.Main Raman signals in RNA, related to helical backbone, ribofuranose ring, and nitrogenous bases, are affected by secondary structures that cause hyperchromic effects and significantly alter the Raman intensity. ABSTRACT Raman spectra of RNA nucleotide strands extracted from 20 SARS‐CoV‐2 strains, including the original Japanese isolate, Alpha, Beta ...
Giuseppe Pezzotti +11 more
wiley +1 more source
Ex vivo bond strength of adhesive precoated metallic and ceramic brackets.
, 1995 Compared with conventional adhesive systems, adhesive precoated (APC) are reported to have advantages in clinical use. The ex vivo bond strength to human premolar teeth of metallic and ceramic APC brackets was compared with that of identical brackets ...
Aird, J.C., Bearn, D.R., McCabe, J.F.
core +1 more source
Percentage of patients shifting to another treatment modality: An experience-guided decision
Dental Press Journal of OrthodonticsObjective: This study aimed to assess the frequency with which orthodontic patients decided to shift to another type of orthodontic appliance, among conventional metal brackets, ceramic brackets, lingual brackets and clear aligner, based on their ...
Shivangi KUMARI +5 more
doaj +1 more source
Evaluation of Integrity of Mesh of Different Orthodontic Brackets [PDF]
Al-Rafidain Dental Journal, 2011 Aims: To evaluate and compare the effect of micro etcher model II on geometrical integrity of base of variable types of orthodontic brackets after etching and compared with new bracket. Materials and Methods: Twenty seven brackets were divided into three
Omar H Alluazy
doaj +1 more source
Archaeological Prospection, EarlyView.ABSTRACT Medieval and early modern drowned villages in the intertidal zone of the Scheldt estuary (the Netherlands) constitute intriguing yet largely understudied components of north‐western Europe's underwater cultural heritage. Despite their high archaeological potential as time capsules of past settlement landscapes, research has remained limited ...
Jan Trachet +9 more
wiley +1 more source
Business Strategy and the Environment, EarlyView.ABSTRACT Additive manufacturing (AM) adoption provides numerous benefits, including decentralised production, design flexibility, mass customisation, reduced material waste and lightweight designs. However, AM investment decisions are complex and challenging for manufacturers, and limited knowledge exists about the holistic assessment of relevant costs
Dilupa Nakandala +5 more
wiley +1 more source
Applied Sciences, 2022 The aim of this in vitro study was to assess the effect of the type of orthodontic brackets and adhesive systems on enamel discoloration. The baseline color of the buccal surfaces of 50 extracted human premolars was recorded using a spectrophotometer ...
Ali Alqerban +6 more
doaj +1 more source
Ceramic bracket debonding with ytterbium fiber laser
Lasers in Medical Science, 2010 Since the early 1990 s, lasers have been used experimentally for debonding ceramic brackets. Lasers reduce the required debonding force and risk of enamel damage. However, the thermal effect during the laser radiation on dental tissues can cause undesirable results.
Sarp, Ayse Sena Kabas, Gulsoy, Murat
openaire +3 more sources
Fire and Materials, EarlyView.ABSTRACT This research was conducted within the framework of project SI2.825082, funded by the European Commission—DG GROW. The project's objective was to finalise a European approach for assessing the fire performance of façades under medium and large fire exposure conditions.
Péter Tóth +7 more
wiley +1 more source
Fracture strength of ceramic brackets submitted to archwire torsional strain
Brazilian Journal of Oral Sciences, 2015 Aim: To evaluate the fracture strength of ceramic brackets submitted to archwire torsional strain. Methods: Different types of maxillary central incisor ceramic brackets from four different commercial brands, Roth prescription (0.022" x 0.028"), were ...
Fernando Rayes Manhães +5 more
doaj +1 more source