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Article
Validity of Hounsfield Units in Skyview Cone Beam Computed Tomography to detect bone densities at different jaw sites during implant insertion

Author: Dr. Amal R.S. Mohammed, B.D.S., H.D.D., M.Sc. Rad. د. امل رؤوف
Journal: MUSTANSIRIA DENTAL JOURNAL مجلة المستنصرية لطب الاسنان ISSN: 18138500 Year: 2016 Volume: 13 Issue: 1 Pages: 105-111
Publisher: Al-Mustansyriah University الجامعة المستنصرية

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Abstract

AbstractBackground: The purpose of this study was to evaluate the bone densities byHounsfield Unit at jaw sites in sky view cone beam computed tomography andto compare these values to the optimal bone densities proposed in the literature.Materials and Methods: Thirty-six patients, 15 males and 21 females were assessed;CT data for different jaw sections and regions were compared using (t-test).Results: The means of bone density in all regions are higher in male than female. Themean bone density in the anterior mandible is higher ; the mean bone densitiesin the four jaw regions decreased in the following order in female or male orgeneral ( anterior mandible > anterior maxilla > posterior mandible > posteriormaxilla ) .Conclusion: The bone densities assessed by HU fell into the range of optimal bonedensities proposed in the literature.


Article
Distribution and Prevalence of Various Developmental Dental Anomalies in Iraqi population : A Radiographic Study.

Author: Dr. Amal R.S. Mohammed. B.D.S. , H. D.D., M.Sc. Rad د. امل رؤوف
Journal: MUSTANSIRIA DENTAL JOURNAL مجلة المستنصرية لطب الاسنان ISSN: 18138500 Year: 2017 Volume: 14 Issue: 1 Pages: 137-146
Publisher: Al-Mustansyriah University الجامعة المستنصرية

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Abstract

Aim: To determine the prevalence of dental anomalies in Iraqi population, andinvestigate their possible association with gender and teeth.Materials and methods: Panoramic radiographs of 800 patients out of 350 withdental anomalies (200 females and 150 males) ,an age range of 18–30 years ( 300: 18-25 years ; 50: 25-30 years ) were examined for anomalies in teeth number,shape, size and position.Descriptive statistics was performed using SPSS. Thelevel of significance was set at 95% confidence level.Results: Among the 800 radiographs examined, a total of 350 (43.8 %) haddevelopmental dental anomalies which includes 150 (42.9%) males and 200(57.1%) females. Around 290 (82.9%) had at least one anomaly, 50 (14.2%) caseswith two anomalies and only 10 (2.9%) exhibited more than two anomalies. Bothmales and females were equally affected. Of these 350 anomalies, 300 (85.7%)occurred in the age group 18–25 years compared to 50 (14.3%) cases in 25–30years range .Conclusion: The high prevalence of Developmental Dental Anomalies suggests theneed to increase the understandingof their etiology and aid for better management,intervention and prevention.


Article
Panoramic study of third molar eruption for chronologic age assessment in Iraqi population

Authors: Dr. Amal R.S. Mohammed, B.D.S., H.D.D., M.Sc. Rad. د. امل رؤوف --- Dr. Nuhad Al. Hassan, B.D.S., M.Sc. Rad. د. نهاد الحسن
Journal: MUSTANSIRIA DENTAL JOURNAL مجلة المستنصرية لطب الاسنان ISSN: 18138500 Year: 2015 Volume: 12 Issue: 1 Pages: 88-97
Publisher: Al-Mustansyriah University الجامعة المستنصرية

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Abstract

Background: Age estimation plays a great role in forensic investigations,orthodontic, surgical treatment planning and tooth transplantation. The teeth areconsidered a reliable indicator of age and provide a number of parameters for ageprediction. The purpose of this study was to estimate the chronological age basedon the stages of mandibular third-molar eruption following the four stages givenby Olze et al.Materials and methods: The sample consist of 150 Iraqi subjects have been chosenwith known chronologic age (range: 6–26 years) and gender (70 males and 80female), digital panoramic radiograph had been taken for each examined subject .Olze et al. stages has been used to assess third molar eruption.Results: Alveolar and occlusal eruption at 25% of males younger than females . Ttestbetween gender for minimum age was statistically significant difference onlyin stage (B) with p-value (0.042).The deviation around normal value mean incomplete occlusal eruption was more in female compared with male.Conclusions: Radiographic evaluation of eruption stages of the third molars usingdental panoramic radiographies can be an efficient tool for chronological ageestimation in both forensic science and legal medicine. Complete occlusaleruption can be used to predict age equal or superior to 16 years.


Article
Relationship between permanent maxillary canine and floor of the maxillary sinus through aging

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Abstract

AbstractThe maxillary sinus are pyramidal shaped cavities in the mid-facial aspect of theskull; they are bilateral structures, located beside each nasal fossa. Knowledge of therelationship between the root apex and the inferior wall of the maxillary sinus iscrucial for diagnosis and treating a sinus pathosis as well as in assisting dentalimplantation, endodontic procedures and orthodontic treatment. Thirty patientsattending Al-Ma’amoon dental centre were selected in this study according to aspecial criteria. Four digital periapical x –rays were taken for each patient using dentalx – ray machine two views demonstrated both right and left permanent canines tomeasure the length of each tooth by direct double click technique, the other two viewswere taking with concentration on the apical area of each tooth, to measure the exactdistance between the apex of the tooth and the floor of the maxillary sinus. Results ofthis study found that the distance between the apices of right permanent maxillarycanines and the base of maxillary sinus was greater than that of left side and thedistance between the canine apex and the floor of maxillary sinus increasing with increasing age.


Article
A comparative radiographical evaluation of alveolar bone resorption in upper and lower anterior teeth

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Abstract

Alveolar bone loss is the atrophy of maxillary and mandibular bone that underlines and support the teeth lead to reduction in bone height and volume. The sample of this study was collected from patients who attended Al-Mammon center for specialist dentists. The patients usually complaing from bleeding gum, discomfort on eating and relative mobility of teeth. In this study 60 male patients with age between 20-49 years were selected and divided into three groups to assess bone loss by the aid of digital panoramic radiographs in the upper and lower anterior teeth. The results revealed that bone loss is more in lower anterior teeth than in upper anterior teeth in most of the age groups.


Article
Evaluation the effect of pulp polyp on periapical area of primary and permanent dentition: Periapical radiographic Iraqi study

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Abstract

Introduction:The pulp polyp (PP), also known as chronic hyperplastic pulpitis orproliferative pulpitis, is a type of inflammatory hyperplasia. It occurs in a vitaltooth with a good blood supply when the pulp has been exposed to caries ortrauma.Objective: The aim of this study to evaluate different radiographic periapical changesof primary and permanent dentition in clinically detected pulp polyp patients.Materials and Methods: Patients who were clinically diagnosed with pulp polypwere subjected to radiographic examination. Digital intraoral periapicalradiographs of 70 patients with pulp polyp were taken. Various periapical changesof primary and permanent dentition in the digital radiographs were recorded . Thedata obtained was subjected to statistical analysis using SPSS version 16.0.Result: All 70 patients showed definite periapical changes. Out of which periodontalligament (PDL) space widening was seen in all 70 cases (100%), lamina duradiscontinuity was observed in 50 cases (71.43%), periapical rarefying osteitis wasnoted in 20 cases (28.57%), condensing osteitis was accounted in ten cases(14.29%), periapical granuloma was observed in six cases (8.57%),hypercementosis was accounted in nine cases (12.86%) , root resorption andperiapical cyst was observed in eight cases each (11.43%).Conclusions: The results of the present study showed that majority of the pulp polyppatients observed at young age group in both gender and the majority of the pulppolyp patients were associated with definite periapical changes that suggestedbeing a periapical lesion.


Article
Radiographic study on relation of the periapical status and frequency of endodontic treatment of teeth with and without apical periodontitis in an Iraqi population .

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Abstract

Aim: The point of the study was to assess the prevalence of apical periodontitis andfrequency of endodontic treatment in an Iraqi population.Materials and methods: Panoramic radiographs of 300 Iraqi subjects 18-60 yearsold. The periapical status of all teeth (with the exception of third molars) wasexamined using periapical index scoring system (PAI). Information wereinvestigated statistically using the Chi-squared test at the significance level ofp<0.05.Results: Out of 5822 examined teeth belonging to 300 patients 156 had one or moreteeth with apical periodontitis (PAI 3-5) and 253 individuals had one or moreendodontically treated teeth.Conclusions: The discoveries of the exhibit examination come into concurred uponwith different investigations which accentuate that a worldwide improvement inthe quality of root canal treatment in general dental practice is required to promoteperiradicular health.

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