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Alexandra K. Papadopoulou
University of Sydney
24Publications
7H-index
129Citations
Publications 24
Newest
#1Anastasia Bakopoulou (USYD: University of Sydney)
#2Peter Hoang (USYD: University of Sydney)
Last.M. Ali Darendeliler (USYD: University of Sydney)H-Index: 33
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The aim of this study was to estimate the possible changes of surface roughness and the mechanical properties of Invisalign® appliances over one- and two-week of service. Forty appliances with attachments were retrieved after the end of orthodontic treatment from different patients. Half of them had been used for one week (1W), and the rest for two weeks (2W). Ten unused Invisalign® appliances were used as the control (CON). An equal number of teeth possessing attachments were cut of aligners de...
Source
#1Pavlos Kolias (A.U.Th.: Aristotle University of Thessaloniki)H-Index: 1
#2Alexandra K. Papadopoulou (A.U.Th.: Aristotle University of Thessaloniki)H-Index: 7
DNA segments and sequences have been studied thoroughly during the past decades. One of the main problems in computational biology is the identification of exon-intron structures inside genes using mathematical techniques. Previous studies have used different methods, such as Fourier analysis and hidden-Markov models, in order to be able to predict which parts of a gene correspond to a protein encoding area. In this paper, a semi-Markov model is applied to 3-base periodic sequences, which charac...
1 Citations
#1Alexandra K. Papadopoulou (Sydney Dental Hospital)H-Index: 7
#2Spyridon N. Papageorgiou (UZH: University of Zurich)H-Index: 19
Last.Athanasios E Athanasiou (European University)
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#1Lefteris MamatasH-Index: 14
Last.Vassilios TsaoussidisH-Index: 20
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#1Svenja Memmert (University of Bonn)H-Index: 4
#2Marjan Nokhbehsaim (University of Bonn)H-Index: 12
Last.James Deschner (USYD: University of Sydney)H-Index: 21
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Background Cathepsin S is a cysteine protease, which is expressed in human periodontal ligament (PDL) cells under inflammatory and infectious conditions. This in vitro study was established to investigate the effect of cathepsin S on PDL cell wound closure.
2 CitationsSource
#1Chun M. Ang Khaw (Sydney Dental Hospital)H-Index: 1
#2Oyku Dalci (Sydney Dental Hospital)H-Index: 7
Last.Alexandra K. Papadopoulou (Sydney Dental Hospital)H-Index: 7
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Introduction The purpose of this 2-arm-parallel split-mouth trial was to investigate the effect of low-level laser therapy (LLLT) on the repair of orthodontically induced inflammatory root resorption (OIIRR). Methods Twenty patients were included in this study, with 1 side randomly assigned to receive LLLT, and the other side served as a sham. Eligibility criteria included need for bilateral maxillary first premolar extractions as part of fixed appliance treatment. OIIRR was generated by applyin...
2 CitationsSource
Abstract Background The use of low-level laser therapy is growing in the field of dentistry especially in orthodontics to speed up tooth movement and in implantology to aid osseointegration. In these dental applications, the laser energy needs to penetrate through the periodontium to the target site to stimulate photobiomodulation. The percentage of energy loss when laser is transmitted through the periodontium has not been previously studied. With the use of an 808-nanometer diode laser, the ai...
2 CitationsSource
#1Doreen Ng (Sydney South West Area Health Service)H-Index: 2
#2Ambrose Chan (USYD: University of Sydney)H-Index: 4
Last.Mehmet Ali Darendeliler (Sydney South West Area Health Service)H-Index: 1
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4 CitationsSource
#1Emmanuel Chan (Sydney Dental Hospital)H-Index: 1
#2Oyku Dalci (Sydney Dental Hospital)H-Index: 7
Last.M. Ali Darendeliler (Sydney Dental Hospital)H-Index: 33
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Introduction Studies have demonstrated the potential efficacy of micro-osteoperforations in accelerating tooth movement by amplifying the expression of inflammatory markers. The aim of this investigation was to examine the effects of micro-osteoperforations on orthodontic root resorption with microcomputed tomography. Methods This prospective controlled clinical trial involved 20 subjects requiring extraction of the maxillary first premolars as part of their orthodontic treatment. A buccal tippi...
7 CitationsSource
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