Results 201 to 210 of about 3,650 (252)

CT angiography features of organ malperfusion and imaging biomarker for postoperative adverse complications in acute type A aortic dissection. [PDF]

Int J Cardiol Cardiovasc Risk Prev
Zhong X, Liu Z, Dai L, Zhao S, Zhang H, Liang J, Lou Y, Ren Y, Wang M, Liu Y, Zhang H, Jiang W.   +11 more
europepmc   +1 more source

Three-Dimensional Determination (Morphometric Study) of Arch Perimeter and Palatal Depth in an Iraqi

Tikrit Journal for Dental Sciences
Hawraa A. Abdullah, Haider M. A. Ahmad
openaire   +1 more source

Study on elasto-plastic zoning radius and failure characteristics of layered rock with a single hole under impact loading. [PDF]

Sci Rep
Liu Y, Miao Y, Huang Y.
europepmc   +1 more source

Buccolingual inclination of posterior dentition in maxillary impacted canine patients using quadrant analysis - A cone-beam computed tomographic study. [PDF]

BMC Oral Health
Sokmen T, Bagcı N, Balos Tuncer B.
europepmc   +1 more source

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Lower arch perimeter preservation using the lingual arch

American Journal of Orthodontics and Dentofacial Orthopedics, 1997
The purpose of this investigation was to determine whether the placement of a mandibular lingual arch maintained arch perimeter in the transition from the mixed to the permanent dentition, and if so, whether it was effective at preventing mesial migration of first permanent molars, or whether this migration still occurred en masse, by increased lower ...
J, Rebellato, S J, Lindauer, L K, Rubenstein, R J, Isaacson, M, Davidovitch, K, Vroom   +5 more
openaire   +2 more sources

Arch perimeter changes on rapid palatal expansion

American Journal of Orthodontics and Dentofacial Orthopedics, 1990
Relationships between changes in arch perimeter and arch width resulting from rapid palatal expansion with the Hyrax appliance were analyzed with the use of dental study casts of 21 adolescent patients. Photographs and measurements from the dental casts obtained before treatment and approximately 3 months after stabilization were used.
M D, Adkins, R S, Nanda, G F, Currier
openaire   +2 more sources

Mandibular arch perimeter changes with lip bumper treatment

American Journal of Orthodontics and Dentofacial Orthopedics, 1991
The effects of lip bumper treatment on the mandibular arch were observed in 32 patients with late transitional and early permanent dentitions. Dental cast measurements were made for arch perimeter, arch length, and arch width. Cephalometric radiographs were used to determine labial tipping of the incisors and distal movement of the molars.
W S, Osborn, R S, Nanda, G F, Currier
openaire   +2 more sources

Increase in arch perimeter due to orthodontic expansion

American Journal of Orthodontics and Dentofacial Orthopedics, 1991
A mathematical model was developed to compare quantitatively the effects of various types of orthodontic expansion on mandibular arch perimeter. Mandibular arch form was modeled with spline interpolation to fit a smooth curve between assigned molar, canine, and incisor positions.
N, Germane, S J, Lindauer, L K, Rubenstein, J H, Revere, R J, Isaacson   +4 more
openaire   +2 more sources

The effects of Fränkel II treatment on arch width and arch perimeter

American Journal of Orthodontics and Dentofacial Orthopedics, 1987
Changes in dental arch width and total arch perimeter in 24 Class II, Division 1 patients treated with the Fränkel II appliance were compared with changes in an untreated control group. Measurements were made on pretreatment and posttreatment plaster casts at three points on each of four maxillary and four mandibular teeth.
R A, McWade, A H, Mamandras, W S, Hunter
openaire   +2 more sources