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A Comparative Study between Bond Strength of Rebonded and Recycled Orthodontic Brackets
bracket chemical recycling shear bond strength
2009/4/2
Introduction: A large number of orthodontists prefer to rebond the failed bonded brackets or use recycled brackets in some instances. The aim of this study was to compare the shear bond strength of re...
A Comparative Study between Mineral Trioxide Aggregate and Calcium Hydroxide as Pulp Capping Agents in Dog’s Teeth
Gray MTA Pulp capping Calcium hydroxide
2009/4/2
Introduction: This study was carried out in order to compare mineral trioxide aggregate (MTA) and dycal in dog’s teeth as pulp capping agents.Methods: After general and local anesthesia forty-two te...
Comparative study of insulin-mimetic activity of vanadium and zinc complexes
vanadyl(IV) zinc(II) insulin-mimetic effect type 1 diabetes mellitus
2009/4/1
In recent years, some metal ions and their complexes have been found to treat diabetes mellitus (DM) in not only experimental animals but also humans. Among them, vanadyl(IV) and zinc(II) ions as well...
A Comparative Study Of Cephalometric Superimposition
Comparative Study Cephalometric Superimposition
2009/3/14
A Comparative Study Of Cephalometric Superimposition.
A Comparative Study of Some Dental Cements Used in Orthodontics
Some Dental Cements Orthodontics
2009/3/9
A Comparative Study of Some Dental Cements Used in Orthodontics.
Obliquity vs. Discontinuity of ligature mark in diagnosis of hanging - a comparative study.
Hanging Airway Obstruction Strangulation Ligature Mark Discontinuity Obliquity
2009/3/3
Although mechanisms of constricting forces acting around the neck of the deceased are different in both hanging and strangulation, still the ligature marks found around the necks appear almost simil...
A comparison of the diagnostic implications of the Wits and I line values, finding complementary information.
Comparative study of boar sperm coming from the caput, corpus, and cauda regions of the epididymis
boar sperm caput corpus cauda regions epididymis
2009/2/13
Sperm quality in the caput, corpus, and cauda regions of the epididymis of healthy and sexually mature Landrace boars was studied. Epididymal sperm characteristics were examined by light microscopy (L...
Comparative study of experimentally induced benign and atypical hyperplasia in the ventral prostate of different rat strains
Comparative study atypical hyperplasia ventral prostate different rat strains
2009/2/12
The induction of prostatic lesions in the rat by hormonal manipulation and/or chemical carcinogens in different strains is well documented in literature. However, the selection of a strain for such ...
A comparative study of southern Chinese and British Caucasian cephalometric standards
Lateral cephalometric radiography Soft tissue profile Dentoskeletal form Chinese natural head posture
2009/1/23
A comprehensive cephalometric comparison between unselected Chinese and Caucasian 12-year-old male children in natural head posture finds the intracranial reference planes to slope down more cauda...
The fracture strength of ceramic brackets: a comparative study
Ceramic Fracture strength Fracture toughness Stress Load
2009/1/23
The purpose of this study was to compare the fracture strength of different ceramic brackets under different surface conditions and ligation methods using a torsional wire bending force. Five differ...
A comparative study using the Occlusal Index and the Index of Orthodontic Treatment Need
Orthodontic treatment need Occlusal Index Index of Orthodontic Treatment Needed
2009/1/12
Assessment of malocclusion is important for documentation of the prevalence and severity of malocclusion in population groups. Such information is needed in Hong Kong where less than 25 qualified ...
Deformation of metal brackets：a comparative study
Bonding Bracket Deformation Stainless steel Tensile strength
2009/1/12
The purpose of this study was to determine the effect of material and design on the force and stress required to permanently deform metal brackets.Fourteen types of metal brackets were categorized acc...
Cephalometric characteristics of Class II division 1 and Class II division 2 malocclusions：A comparative study in children
Class II division 1 malocclusion Class II division 2 malocclusion Roentgenographic cephalometry Dentoskeletal morphology Age groups
2009/1/8
A comparison of dentoskeletal morphology in 347 Class II division 1 and 156 Class II division 2 malocclusions was performed using lateral cephalometric radiographs. Children at the ages of 8–10 year...
COMPARATIVE STUDY ON THE EFFICIENCY OF PERACETIC ACID AND CHLORINE DIOXIDE AT LOW DOSES IN THE DISINFECTION OF URBAN WASTEWATERS
disinfection wastewater treatment peracetic acid chlorine dioxide
2010/12/22
A comparison was made between the effi ciency of low doses of peracetic acid (PAA: 1.5 mg/l) and chlorine dioxide (ClO2: 1.5 and 2.0 mg/l) in the disinfection of secondary effl uents of a wastewater t...