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Fluoride does not induce DNA breakage in Chinese hamster ovary cells in vitro
Sodium fluoride Comet assay Mutagenicity tests
2009/10/20
Fluoride has been widely used in dentistry because it is a specific and effective caries prophylactic agent. However, excess fluoride may represent a hazard to human health, especially by causing inju...
A Roentgenographic Cephalometric Study of Prognathism in Chinese Males and Females
Roentgenographic Cephalometric Study Prognathism Chinese Males and Females
2009/3/12
A Roentgenographic Cephalometric Study of Prognathism in Chinese Males and Females.
Craniofacial Variations, Sex Differences and the Nature of Prognathism in Chinese Subjects
Craniofacial Variations Sex Differences Prognathism Chinese Subjects
2009/3/12
Craniofacial Variations, Sex Differences and the Nature of Prognathism in Chinese Subjects.
The Facial Configuration in a Sample of Chinese Boys
Facial Configuration Sample Chinese Boys
2009/3/9
The Facial Configuration in a Sample of Chinese Boys.
Objective: To investigate the dental arch width of the Southern Chinese across buccal cusps, central fossae, or lingual cusps and compare these values with study findings in different populations and ...
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 sagittal difference between the maxillary and mandibular apical bases in orthodontic diagnosis and treatment planning can be evaluated by means of the angle ANB or alternatively, by means of the...
Advanced Chinese NiTi alloy wire and clinical observations
Chinese NiTi alloy Superelasticity Shape memory
2009/1/13
Chinese NiTi wire was studied on the bench with six other nickel-titanium-alloy wires. Bending and torsional tests were conducted and temperatures of phase transformation compared. The Chinese NiT...
Sagittal skeletal and dental changes of reverse headgear treatment in Chinese boys with complete unilateral cleft lip and palate
Unilateral complete cleft lip and palate Reverse headgear Sagittal skeletal and dental changes
2009/1/9
Cleft lip and palate patients often develop maxillary retrusion after cleft repair. Maxillary protraction treatment during early childhood helps to achieve more favorable occlusion with positive o...
Soft tissue profile changes of reverse headgear treatment in Chinese boys with complete unilateral cleft lip and palate
Unilateral complete cleft lip and palate Reverse headgear Soft tissue profile
2009/1/8
Midface retrusion in cleft lip and palate patients often results in personal, social, and psychological problems, along with the functional difficulty. Hence, soft tissue profile improvement in ea...
Mixed dentition analysis for Hong Kong Chinese
Mixed dentition analysis Prediction equations Probability tables
2009/1/7
Using simple linear regression analyses, prediction equations for the combined mesiodistal crown diameters of canines and premolars based on lower incisor size were generated from 97 Hong Kong Chi...
Perception of Facial Esthetics by Native Chinese Participants by Using Manipulated Digital Imagery Techniques
Native Chinese Facial esthetics Digital imagery Video morphing
2008/12/26
This investigation utilized a manipulated digital video imaging model to elicit profile facial esthetics preferences in a lay population of native Chinese participants from Beijing. A series of 4 ...
Soft and Hard Tissue Changes after Bimaxillary Surgery in Chinese Class III Patients
Class III malocclusion Orthognathic surgery Cephalometric analysis
2008/12/4
Cephalometric studies have shown that the Chinese race tends to have a greater preponderance of skeletal Class III malocclusion. It has also been reported that the soft tissue response to hard tis...
Dentofacial Characteristics of Chinese Obstructive Sleep Apnea Patients in Relation to Obesity and Severity
Obstructive sleep apnea Cephalometrics Obesity
2008/11/24
Objective: To evaluate dentofacial characteristics in relation to obesity and degree of severity of obstructive sleep apnea (OSA) in male Chinese patients and to elucidate the relationship between d...
Tanaka–Johnston Mixed Dentition Analysis for Southern Chinese in Hong Kong
Mixed dentition analysis Southern Chinese Space analysis
2008/11/20
Objective: To compare the prediction of unerupted permanent canine and premolar size of a comparable sample size of southern Chinese population with that of the study of Tanaka and Johnston.Material...