The olfactory organs on the head of Drosophila, antennae and maxillary palps, contain several hundred olfactory hairs, each with one or more olfactory receptor neurons. Olfactory hairs belong to one of three main morphological types, trichoid, basiconic, and coeloconic sensilla, and show characteristic spatial distribution patterns on the surface of the antenna and maxillary palps. Here we show...

The literature describes transillumination as a means of curing orthodontic light-cured composite adhesive. The literature also recommends a 2 to 3 times increase in light exposure time when light curing using transillumination. The purpose of this study was to determine the transmittance of the curing light through human enamel and the effect of transillumination on the bond strength of orthod...

To evaluate the torque expression of right permanent maxillary central incisor with varying bracket positions and to compare same tooth different crown-root angulations. Finite Element Models Maxillary Central Incisor were used for simulation various angles. Three FEM models a angles (170˚,175˚,180˚, 165°) constructed heights subjected 30° labial root resultant expressions evaluated. The model ...

Congenital maxillary double lip is a rare anomaly in which a fold of redundant labial tissue becomes apparent at rest or while smiling. This might pose cosmetic or functional problems, as well as serious impact on psychological well-being, especially when it affects young children or adolescents. The treatment of choice is surgical excision. This paper presents a successfully managed case of ma...

objectives: the purpose of this study was to determine buccal bone and soft tissue thicknesses and their correlation in the maxillary anterior region using cone beam computed tomography (cbct). materials and methods: in this cross sectional study, 330 sound maxillary incisors in 60 patients with a mean age of 37.5 years were assessed by cbct scans. for better visualization of soft tissue, patie...

Patients with cleft lip and palate can suffer from contraction of the maxillary arch and anterior cross-bite accompanied by skeletal growth retardation. We use an appliance called an external-expansion arch and induce maxillary protraction using a facial mask in order to correct the anterior cross-bite and maxillary retrusion. In this paper, the method of application of these appliances and the...

Aim: To compare two types of treatment for Class II deep overbite malocclusion assessing maxillary and mandibular arches behavior in subjects submitted to full orthodontic treatment with standard edgewise appliance and those who used straight wire appliance. Methods: The sample consisted of 50 patients treated with full fixed appliances either with edgewise appliance (n=25, Group 1), or with st...

We investigated the relationship of the maxillary central incisors to the incisive papilla in wearers of complete dentures. First, image analyzer software was used to examine the relationship of the midpoint of the incisive papilla to the labial surface of the maxillary central incisors on occlusal photographs of 120 maxillary casts from dentate Malaysian adults. Then, an Alma denture gauge was...