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A mosquito Larval survey was carried out in the Southwestern region of Saudi Arabia for a two subsequent years period. Nine mosquito species were identified; 4 Anopheline species; Anopheles arabiensis, An. sergentii, An. multicolor and An. tenebrosus and 3 Culicine species, Culex pipiens, Cx. quinquefaciatus and Cx. theileri as well as one Aedine species,(More)
The occurrence of canine tooth dimorphism in Indian subjects has been investigated and the use of two statistical methods of evaluation compared. These were the methods of N.G. Rao and co-workers published in 1988 and quadratic discriminant analysis for correct classification of sex. Parameters considered were (i) the mesiodistal width of maxillary and(More)
STATEMENT OF PROBLEM Estimating the mesiodistal width of maxillary central incisors may be difficult when artificial teeth are selected for edentulous subjects. PURPOSE This study examined the relationship between inner canthal distance and maxillary central incisor mesiodistal width in terms of the geometric progression popularly known as the golden(More)
The purpose of this investigation was to evaluate the tensile bond strengths of two impression material systems (polysulphide and polyvinyl siloxane) to two custom tray materials [autopolymerizing and visible light-cured (VLC) acrylic resin]. The effect of polymerizing the tray materials directly against wax spacer and tin foil was evaluated for each(More)
BACKGROUND Methotrexate (MTX) embryopathy was described nearly 50 years ago, when this agent began to be used as a cancer treatment and abortifacient. In this report we describe a case with typical features of MTX syndrome together with new features to expand the phenotype. CASE A 29-year-old woman decided to terminate her unwanted pregnancy because of(More)
STATEMENT OF PROBLEM One method used to disinfect a dental cast is immersion in a disinfecting solution. Repeated immersion of a cast in disinfectant may affect surface detail as well as other physical properties. PURPOSE The purpose of this study was to evaluate the changes in surface detail quality, dimensional accuracy, and wet compressive strength of(More)
In this study, discrepancies in the adaptation of the posterior borders of maxillary record bases to their casts were analyzed with five polymerization techniques: (1) bench curing, (2) curing under a coat of petroleum jelly, (3) curing in a monomer atmosphere, (4) curing under air pressure, and (5) curing under warm water and air pressure. Ten record bases(More)
STATEMENT OF PROBLEM Numerous factors are involved in making a void-free dental stone cast from a polyvinyl siloxane impression. PURPOSE The aim of this study was to determine whether frequency and amplitude of vibration had any effect on the formation of voids on the cast surface poured from polyvinyl siloxane impression with a mechanical model vibrator.(More)
The parasitoid mite, Rhynchopolipus rhynchophori was released against the red palm weevil Rhynchophorus ferrugineus stages. Released of this mite applied at four levels of treatment, A (30 parasitic mites: 1 prey), B (60 parasitic mites: 1 prey), C (90 parasitic mites: 1 prey) and D (120 parasitic mites: 1 prey). The parasitoid mites successfully suppressed(More)