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Article
Assessment of bone density after six months from dental implants placement using Computed Tomography

Author: Resha J. Al-Sudani رشا جميل السوداني
Journal: Journal of baghdad college of dentistry مجلة كلية طب الاسنان بغداد ISSN: 16800087 Year: 2014 Volume: 26 Issue: 4 Pages: 126-128
Publisher: Baghdad University جامعة بغداد

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Abstract

Background: Determination of local bone mineral density (BMD) immediately after implant insertion play animportant role in implant success rate, may offer comprehensive description of the bone, and give enoughinformation to the surgeon prior to implant insertion and at follow up status. The aim of the present study is toevaluate the changes of local bone density in the dental implant recipient sites by using computerized tomography.Material and method: The sample consisted of (20) dental implants recipient sites, bone density assessment was donetwice, immediately after implants insertion and after six months.Results: The mean HU of the bone around the implant insertion site, immediately after implant placement was 552.28HU, and increased to761.33HU after six months. According to gender, with females, it was 539,54HU, and increased to765.65HU after six months from implant insertion while with males, it was 565.02HU, and increased to 757.02HU after sixmonths from implant insertion.Conclusion: There was an increased in bone density around dental implant by time with non-significant differencesaccording to the gender.

الخلفیة: تحدید كثافة العظام قبل وبعدغرزالزرعات السنیة من الامور المھمة جدا في نجاح زراعة الاسنان. إن الھدف من ھذه الدراسة السریریة الحالیة ھو تحدیدكثافة العظام بعد عملیة زراعة الاسنان.طرق البحث: تم قیاس متوسط كثافة العظام ل 20 زرعة بوحدة الھاونسفیلدباستخدام الأشعة المقطعیة ، ا لمنطقة ما حول الزرعھفي مختلف مناطق الفكین العلويوالسفلي.بعد الزراعة مباشرة وبعد مرور 6 اشھر من زراعة الاسنان.النتائج: متوسط كثافة العظم حول الزرعة السنیة مباشرة بعد غرز الزرعة كان ما یعادل 552.28 وحدة قیاس الكثافة, حیث انھا ازدادت لتصل الى 761.33 وحدةبعد ستة اشھر من غرز الزرعة, معدل كثافة العظم بعد غرز الزرعة مباشرة عند الرجال 565.02 وحدة وبعد مرورستة اشھر ازدادت لتصل 757.02 وحدة اماعند النساء 539.54 وحدة مباشرة بعد الغرز وبعد ستة اشھر ازدادت لتصل 765.65 وحدة.الاستنتاج :كثافة العظم تزداد بعد مرور 6 اشھر من زراعة الاسنان وتكون نسبة الزیادة متساویة عند الرجال والنساء بفارق غیر محسوس احصائیا.


Article
Prevalence of Dental Anomalies among Iraqi Dental Students

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Abstract

Background: Dental anomalies are abnormal tooth condition occurs due to certain genes or environmental factor disturb tooth development during morphodifferentiation stages, affecting group of teeth or entire dentition. The aim of the study is to evaluate the frequency of occurrence of dental anomalies among dental student.Materials and Methods: Three hundred dental students with age ranged (18-23 years) were examined clinically and radiographically searching for dental anomalies in shape, number and position.Results: Only 25 students (8.3 %) from the total sample (300) had dental anomalies, female form the higher percentage of anomalies (about 68%) compared to male (32%). The age group (22 years) which was the larger group had a higher percentage of dental anomalies (about 40%). Regarding the type of anomalies found, disturbance in number of teeth represent the higher percentage (48%); but impacted third molar represent the most common subtype of positional anomalies found in the study (20%).Conclusion: Higher percentage of dental anomalies detected in female and larger age group, study of dental anomalies was of great importance especially prior to orthodontic and surgical intervention

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