Osama E Omer

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AIM The aim of this investigation was to study the root canal anatomy of maxillary first and second molar teeth from an Irish population sample using a clearing technique. METHODOLOGY Eighty-three extracted permanent maxillary right first molars and 40 permanent right maxillary second molars were included in this investigation. The specimens were(More)
PURPOSE To review the conservative and surgical management options of osteoradionecrosis, in particular, highlighting the recent the use of anti-radiation fibrosis drugs (pentoxifylline, tocopherol and clodronate). MATERIAL AND METHODS We performed a literature review. The management options were divided into two groups, conservative and surgical(More)
Purpose: To evaluate tooth preparation for full veneer cast restorations performed by final year dental students in Sudan. Materials and Methods: 117 stone dies from two different dental institutions were collected and evaluated. Polyvinylsilioxane impression material was used to produce two impressive replicas of which one was sectioned in faciolingual(More)
The objective of this study was to evaluate the reproducibility and accuracy of internal fit using Cerec 3D CAD/CAM (computer aided design/computer aided manufacturing) all-ceramic crowns and to investigate the proximal contact point areas between the crowns and neighbouring teeth, in terms of location and the presence or absence of contact. A total of 48(More)
UNLABELLED Head and neck cancer represents a heterogeneous group of neoplasms affecting a number of sites in the aerodigestive tract, histologically primarily epithelial in type. Most are sensitive to a treatment regime of ablative surgery followed by radiotherapy. The incidence of head and neck cancers is approximately 11.8 per 100,000 population and is(More)
UNLABELLED Head and neck cancer represents a heterogeneous group of neoplasms affecting a number of sites in the aerodigestive tract, histologically primarily epithelial in type. Most are sensitive to a treatment regime of ablative surgery followed by radiotherapy. The incidence in Ireland of head and neck cancers is approximately 11.8 per 100,000(More)
Every year in Ireland over 400 people are diagnosed with head and neck cancer. Oral cancer, a specific type of head and neck cancer, is usually treated with surgery and often requires radiotherapy (RT). However, side effects of RT treatment, which include mucositis, xerostomia, radiation caries, trismus and osteoradionecrosis, can seriously compromise a(More)
AIM To compare a clearing technique with conventional radiography in studying certain features of the root-canal system of maxillary right first and second molars. A secondary aim was to assess interexaminer agreement for these features using radiographs. METHODOLOGY Eighty-three recently extracted permanent maxillary right first molars and 40 recently(More)
The aim of this study was to describe the intensive care unit (ICU) nurses’ knowledge, attitude, and practice of mouth care for their patients. This is a cross sectional hospital based study. A total of 154 ICU nurses were randomly selected from seven governmental hospitals in Khartoum state and were invited to take part in this study. 97.4% of ICU nurses(More)