Introduction:The bone quality also affects the stress distribution under buccolingual load. Low density bone presents reduced stiffness and increases implant displacement. Under highest displacement, the bone is deformed, consequently higher stresses in the bone are predicted. The mental foramen is a principle factor for placing implants in the foraminal rang of the mandibular arch.Objectives: To detect and identification of mandibular bone density around the tooth and alveolar ridges at the different five sites for both male and female groups and comparing them for accurate plane and not interfere with the mental foramen and canal during surgical treatment.
Material and Methods:Twelve patients ranged from 45-60 year old (6 males and 6 female) came to the Department of Prosthodontics, Alexandria University. Studied for identify the accurate nature of bone structures and detecting measurement of bone density around the implant prior to their surgical treatment. At the insertion after delivery of the denture and comparing between two gender and age groups) the evaluation of alveolar mandibular bone density using a new computerized method (Image J program) which was not used in the previous studies for prober assessment of bone height measurements.
Results:The result of bone density measurements around 5 sites of mandibular bone, the mean and standard deviation of bone density measurements in right side for both male and female groups and statistical results comparison were done. There was insignificant change of bone density around the 5 sites at both groups. In the midline, there was gradual increase in the bone density from midline region to molar region and in males more than females.
Conclusions:There was no statistical significant difference between the right side for female and male density at different sites, indicating more favorable stable supported overdenture with the use of accurate surgical position.
Background: Congenital abnormality is considered the most famous abnormality that occurs in all the world. Typically, they require complex multidisciplinary treatment throughout childhood and can have lifelong medical and psychosocial implications for affected individuals.
Objective:The objective of this study was to construct a new device feeding plate for a baby who had cleft palate act as a prosthetic obturator to close the defect that occur between the naso-oral and to compare feeding device and feeding bottle for new born baby and evaluation sequence of weight gain with use of feeding prosthetic obturator.
Material and Methods:Four new born babies came to the Department of Prosthodontics, Faculty of Dentistry, Alexandria University with a palatal cleft. A feeding device was fabricated.After finishing of the prosthesis, a perforation was made in the canine region with round bur in the feeding device for attachment of dental thin wire with a thickness 0.9. Then four babies were examined by asking their mothers to use feeding bottle and the new feeding palatal device each time with a standard amount of milk per time and a questionnaire for mothers were done.Results: The uses of the feeding devices aids help feeding provide enough nutrition and increase weight gain decrease nasopharyngeal and otitis media infection until the surgical intervention occur to correct the defects. Data were collected and statistical analysis was done.
Conclusions:It is obvious that restoring the cleft palate by feeding device help to obtain proper nourishment for the baby. Therefore, it provides normal physical mental, psychological well-being new born baby and parents. Help normal suckling, decrease the feeding and nasal difficulties, correct tongue posture, help growth and stability of maxilla and prevent its collapse.
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