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Tooth Size Discrepancies and Arch Parameters among Different Malocclusions in a Jordanian Sample
Tooth size Arch width Arch length Bolton ratio
2008/11/19
The objectives of this study were to determine the mean mesiodistal tooth width of the dentition, Bolton anterior and overall ratios, arch length, and arch width in the different malocclusions in a ...
Dental Arch Dimensions in the Mixed Dentition: A Study of Italian Children Born in the 1950s and the 1990s
Arch dimensions Posterior intermolar transversal discrepancy
2008/11/19
The objective of this study was to compare the dental arch dimensions in the mixed dentition in two modern samples living in the same geographic area and separated by almost 35 years. A group of 83 ...
Dental Arch Diameters and Relationships to Oral Habits
Dental arch Oral habits Prekindergarten
2008/11/19
The objective was to analyze variations in dental arch width in relation to oral habits. Maxillary and mandibular intercanine and intermolar distance were determined in relation to certain oral habi...
“Safe Zones”: A Guide for Miniscrew Positioning in the Maxillary and Mandibular Arch
Miniscrew Interradicular anatomy Safe zones
2008/11/17
The aim of this study was to provide an anatomical map to assist the clinician in miniscrew placement in a safe location between dental roots. Volumetric tomographic images of 25 maxillae and 25 man...
Dental Arch Width Stability after Quadhelix and Edgewise Treatment in Complete Unilateral Cleft Lip and Palate
Cleft lip/palate Transverse discrepancy Orthodontic treatment Stability
2008/11/11
Objective: To evaluate the transverse stability of the dental arch in unilateral cleft lip and palate (UCLP) patients after orthodontic treatment with quadhelix and edgewise appliances.Materials and M...
Arch Widths in Class II-2 Adults Compared to Adults with Class II-1 and Normal Occlusion
Arch widths Adults Class II-2 Class II-1 Class I normal
2008/11/7
Objective: To compare (1) arch widths in adults with Class II division 2 (II-2), Class II division 1 (II-1), and Class I normal occlusions, (2) genders, (3) gender dimorphism, (4) differences between ...
Arch Widths in Adults with Class I Crowded and Class III Malocclusions Compared with Normal Occlusions
Arch width Intercanine Intermolar Alveolar
2008/11/6
Objective: To test the hypothesis that there is no difference between adults with Class I crowded (CICR), Class III (CIII), and Class I normal (CIN) occlusions with respect to (1) arch widths, (2) wid...
Patterns of Dental Crowding in the Lower Arch and Contributing Factors
Crowding pattern Factor
2008/11/4
Objective: To investigate the patterns of dental crowding in the lower arch and their contributing morphological and functional factors.Materials and Methods: Pretreatment diagnostic materials from 16...
Dental Arch Widths and Mandibular-Maxillary Base Width in Class III Malocclusions with Low, Average and High MP-SN Angles
Transverse development Class III Cephalometric analysis
2008/11/3
Objective: To analyze the development of the dental arches and skeletal mandibular-maxillary bases in untreated Class III malocclusions with low averages and high mandibular plane angles in subjects a...
Objective: To present a comprehensive mathematical analysis of dental arch curvature in subjects with normal occlusion.Materials and Methods: The materials studied were 40 sets of upper and lower plas...
基于状态转移ARCH模型的中国股市波动性研究
中国股市 ARCH模型 状态转移
2008/6/5
通过引入波动性状态转移的ARCH(SWARCH) 模型对中国股票市场的波动性进行了研究。SWARCH模型较传统的ARCH类模型显著地提高了股票市场波动性的描述与预测能力。实证结果表明,促使中国股市低波动性状态向高波动性状态转移的主要原因是股市的政策因素,这与因为实体经济基础的变化而促使美国股市波动性状态转移有着本质的区别。
Congenitally missing lower primary canine, anomalous lower primary first molar and impacted supernumerary premolar in one dental arch
Abnormal tooth form Congenitally missing Primary canine Supernumerary premolar
2008/4/16
A rare case is presented in which a congenitally missing primary canine, an abnormally formed primary first molar and an impacted supernumerary premolar were found in the same lower left quadrant. The...
Morphological changes in the zygomatic arch during growth
Morphometry Growth and development Zygomatic arch Zygomaticotemporal suture
2008/4/16
Morphometry of the zygomatic arch was obtained using 30 Indian dried skulls at each of Hellman’s dental stages: IIA, IIIA, IIIB, IVA, and VA, for a total of 150 skulls 300 sides. The following conclus...
The characteristics of the deciduous dental arch form of children in Changchum-city, China
Chinese children Deciduous dentition Dental arch size Japanese children
2008/4/16
It is important to know racial differences in the characteristics of the dental arch form from the view point not only of dental interests but also of anthropology. We got an opportunity to investigat...
ARCH and GARCH Models vs. Martingale Volatility of Finance Market Returns
ARCH GARCH Models Martingale Volatility Finance Market Returns
2010/12/17
ARCH and GARCH models assume either i.i.d. or (what economists lable as) white noise as is usual in regression analysis while assuming memory in a conditional mean square fluctuation with stationary ...