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Article
TEMPORAL BONE PATHOLOGY, A REPORT OF THREE CASES

Author: Isam M Al-Shareda
Journal: Basrah Journal of Surgery مجلة البصرة الجراحية ISSN: 16833589 / ONLINE 2409501X Year: 2017 Volume: 23 Issue: 2 Pages: 80-87
Publisher: Basrah University جامعة البصرة

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Abstract

TEMPORAL BONE PATHOLOGY, A REPORT OF THREE CASESIsam M Al-SharedaMBChB, FICMS, Assist. Prof. of Otolaryngology, Dept. of Surgery, College of Medicine, Basrah University, Basrah, IRAQ.Abstract Temporal bone can be affected by different conditions. In our area, the most common disease conditions of the temporal bone are fibrous dysplasia, histiocytosis X and squamous cell carcinoma. This is a report of three females who have temporal bone disease conditions. They have poor clinical symptomatology. Since the incidence of malignancy is rare so differentiation between chronic inflammation and tumors is difficult and a biopsy is a must. Computed tomography (CT) was the diagnostic aid of choice which also was very helpful for follow-up to assess the disease progression, while Magnetic resonance imaging (MRI) was useful to identify intracranial extension. Treatment of these conditions included surgery, radiotherapy and chemotherapy.

Keywords

TEMPORAL BONE


Article
The effects of two bone substitute materials in the treatment of experimentally induced mandibular defects: An experimental study

Author: Atalla F Rejab
Journal: Al-Rafidain Dental Journal مجلة الرافدين لطب الأسنان ISSN: 18121217 Year: 2018 Volume: 18 Issue: 1 Pages: 9-20
Publisher: Mosul University جامعة الموصل

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Abstract

Aims: To compare between the effects of deproteinized bovine bone (DBB) and osteon in the healing of mandibular bone defects in the rabbits. Materials and Methods: This experimental study was conducted on ten rabbits at the Animal House, Dentistry college, Mosul University. The rabbits weighted between 1.5 and 2 kg and each rabbit was given anesthesia (10% ketamine (40 mg/kg) and 2% xylazine (5 mg/kg). Surgery was performed aseptically. Mandibles were exposed through a sub-mandibular incisions. Three rectangular full thickness defects (6×5 mm) were created in each side. The first defect in each side was filled with DBB, the second defect was filled with osteon, while the third defect was left untreated to serve as a control. Five rabbits were sacrificed after one week and the other five rabbits were sacrificed after one month. The bony mandibles were immersed in 10% formalin solution and examined histologically by two histopathologists. Results: Microscopically, sections for one week of all groups showed mild degree of inflammation, moderate amount of vascularity, granulation tissue and osteoid tissue formation. Sections of one month showed no difference regarding the degree of inflammation vascularity, but the amount of granulation tissue and osteoid tissue formation in the control group were lesser than the amount seen in both experimental groups. Conclusions: DBB and osteon accelerate bone healing after month regarding the amount of granulation tissue and osteoid tissue formation.


Article
Biological hydroxyapatite as bone graft substitute;a preliminary report

Authors: Kothar H. Al-Naimi كوثر النعيمي --- Muhammad A. Al- Iraqi محمد العراقي --- Mahmood A. Aljumaily محمود عبد الجميلي
Journal: Annals of the College of Medicine Mosul مجلة طب الموصل ISSN: 00271446 23096217 Year: 2006 Volume: 32 Issue: 1&2 Pages: 7-11
Publisher: Mosul University جامعة الموصل

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Abstract

The biological calcium hydroxyapatite was isolated and purified from local cow bones in laboratories of the University of Mosul. The chemical analysis of the product shows that the purity of the biological calcium hydroxyapatite is 99%. The biological calcium hydroxyapatite was prepared locally as bone graft substitute from cheap unlimited resource. The biological calcium hydroxyapatite was implanted around induced fracture of forearm in 4 white male rabbits. The forearm fracture united thirty days after the experiment. The biological calcium hydroxyapatite was implanted inside the medullary cavity of the femur and around fracture ends in another 4 male white rabbits. The implanted biological calcium hydroxyapatite was replaced by callus around the bone and in medullary cavity of bone without any chronic inflammatory changes or foreign body reaction. We conclude that biological calcium hydroxyapatite can be used as bone graft substitute.

Key words: calcium hydroxyapatite, cow bone, bone graft substitute.


Article
CRESTAL BONE LOSS AROUND DENTAL IMPLANT "COMPUTERIZED ANALYSIS"

Authors: Dr. Afya Sahib Diab B.D.S, M.Sc. د. افياء صاحب --- Prof. Dr. Khalid Yousif Igzeer B.D.S. M.Sc. F.F.D.R.C.S.I. د. خالد يوسف
Journal: MUSTANSIRIA DENTAL JOURNAL مجلة المستنصرية لطب الاسنان ISSN: 18138500 Year: 2006 Volume: 3 Issue: 3 Pages: 244-254
Publisher: Al-Mustansyriah University الجامعة المستنصرية

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Abstract

The present study evaluates crestal bone loss around dental implants(retrospectively and prospectively) and determines the prognosis of dental implantthrough bone level estimation. Bone level was measured around 354 implants in 88patients retrospectively and 97 implants in 31 patients prospectively, digitalpanoramic radiograph were taken during recall appointments, and analysis with acomputer software associated method to measure the actual bone loss in mesial anddistal side of the implant during these periods.Over all, the studied implants, experienced most of its crestal bone loss during thepreloading period, followed by dramatic decrease in bone loss rate through thesubsequent study intervals. The result of the present study showed that there issignificant positive correlation between crestal bone loss and age, female showedsignificantly higher amount of bone loss than male in stage-1, while the appositefigure found in stage-2. Data analysis during preloading time indicates significantbone loss with implant location, while highly significant bone loss had been detectedwith maxillary arch, fine trabecular bone density, immediate implant, completeedentulous cases, While implant length, implant diameter and implant stability had anon significant effects on crestal bone loss.


Article
Histopathological evaluation of bone healing using Nanobone in experimentally induced frontal bone defects of rabbits

Authors: Alaa S. Jaber علاء جبار --- Kadhim A. Al-Soudani كاظم السوداني
Journal: Journal of baghdad college of dentistry مجلة كلية طب الاسنان بغداد ISSN: 16800087 Year: 2012 Volume: 24 Issue: 4 Pages: 40-45
Publisher: Baghdad University جامعة بغداد

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Abstract

Background: The bone substitute biomaterials are used in reconstruction of bone defects and one of them isNanobone. It consists of nanocrystalline hydroxyapatite embedded in a highly porous matrix of silica gel. It promotesthe healing of bone defects and increases the amount of new bone formed. It is degraded and resorbed byosteoclasts after a period of time. The aim of study was to evaluate the effects of Nanobone on bone healing inexperimentally frontal bony defects of rabbits.Materials & Methods: Thirty five indigenous rabbits were used in this study. Granules of Nanobone were implanted insurgically induced defects of 5mm size in one side in the frontal bone of rabbits, while the other side defects were leftfree to heal spontaneously as controls. Samples were taken after 2, 6, 9, 12 and 24 weeks and demineralized. Theamount of new bone formed around implanted granules and the inflammation present were analyzed by means oflight microscopy in both Nanobone granules-filled defects and controls.Results: At 2 weeks, there was no new bone formed in both defects with few amount of inflammation whichconsiders normal at this time. At 6, 9 and 12 weeks , the amount of new bone formed in Nanobone filled defects wasmuch more than that formed in controls (statistically significant correlation, P<0.05), no inflammation seen in boths. At24 weeks, the Nanobone granules were degraded and completely replaced by new bone while in controls therewas few spaces not filled with bone (statistically highly significant correlation, P<0.01), no inflammation seen also.Conclusions: Results of present study revealed that Nanobone material promotes healing of bony defects incomparison to controls and is degraded and replaced by new bone after a period of time


Article
Bone graft from iliac bone for maxillofacial reconstruction: An operative approach with decrease morbidity

Authors: Bassem T. Merry بسيم ميري --- Balsam S. Abdulhamed بلسم عبد الحميد
Journal: Journal of baghdad college of dentistry مجلة كلية طب الاسنان بغداد ISSN: 16800087 Year: 2012 Volume: 24 Issue: 4 Pages: 77-82
Publisher: Baghdad University جامعة بغداد

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Abstract

Background: In Maxillofacial surgeries, iliac bone graft has traditionally been harvested to provide osteoconductive,osteoinductive and osteogenic components to initiate bony formation. There are multiple types of procedures forharvesting iliac bone graft, either by surgical exposure procedure for procurement bone graft bicortical, unicortical,tricortical or by using Fritsch bone harvesting (trephine) system or by Spine-Tech grinding harvester technique. Thisstudy compares procedures for harvesting iliac bone graft by using sub-crestal window technique procedure andtrap-door iliac crest bone graft procedure for different purposes like alveolar cleft, bone resection due to tumor,reconstruction of avulsed facial bone due to trauma by bullet injury or RTA, confirming that donor site morbidity ofthe sub-crestal window technique is more significant than trap-door technique.Patients and methods: In this study (40 patients / 22♂:18♀) underwent harvesting of iliac bone graft with age range(3.5-65 years) in Al-Kadhmyea Teaching Hospital (2009-2012) for different purposes like alveolar cleft, reconstructionof mandible after tumor resection and reconstruction of maxillofacial defects due to massive blast or bullet injury.Results and Conclusions: The results indicate that major complications from ICBG harvest are uncommon, but minorcomplications are common. The findings suggest that donor site morbidity of the sub-crestal window technique issignificantly less than trapdoor technique. Making the sub-crestal window technique is the method of choice forharvesting large amounts of bone graft


Article
Buccal Cortical Bone Thickness in Iraqi Arab Adults by Cone Beam Computed Tomography for Orthodontic Mini-Implants

Authors: Saad A. Abbas --- Akram F. Alhuwaizi اكرم فيصل الحويزي
Journal: Journal of baghdad college of dentistry مجلة كلية طب الاسنان بغداد ISSN: 16800087 Year: 2017 Volume: 29 Issue: 1 Pages: 183-187
Publisher: Baghdad University جامعة بغداد

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Abstract

Background: Cortical bone thickness is important for the stability of mini implants. Placing mini implants in sites of favorable cortical bone thickness would guarantee better initial stability and long-term success. The aim of this study was to investigate gender, side and jaw differences of the buccal cortical bone thickness as a guide for orthodontic mini screw placement.Materials and Methods: The sample was selected from the patients attending the Specialized Health Center in Al-Sadr City / 3D department. Thirty patients (15 males and 15 females) were selected and cone beam computerized tomographic images were done. Then the buccal cortical bone thickness was measured at thirteen inter radicular sites in the maxilla and mandible from the mesial side of the second molar to the mesial side of the second molar on the other side. The resulting data were statistically analyzed using independent t-test on SPSS program.Results: The buccal cortical bone thickness of the males was more than the females for both jaws. The mandibular buccal cortical bone thickness was thicker than in the maxillary and in the anterior region was thinner than in the posterior region for each jaw. The thickness of the buccal cortical bone was generally greater on the left side


Article
Bone mineral density changes in patients with rheumatoid arthritis
تغير كثافة المعادن في العظام في المرضى الذين يعانون من التهاب المفاصل الروماتويدي

Authors: Shwan K. Media --- Ashna Swara Saleh
Journal: Zanco Journal of Medical Sciences مجلة زانكو للعلوم الطبية ISSN: 19955588/19955596 Year: 2017 Volume: 21 Issue: 2 Pages: 1757-1764
Publisher: Hawler Medical Univeristy جامعة هولير الطبية

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Abstract

Background and objective: Bone loss regarded as a major health concern which is thought to be associated with a number of chronic illnesses including rheumatoid arthritis. This study was designed to determine the frequency of low bone mass as well as the influence of disease duration on bone mass in the patients with rheumatoid arthritis.Methods: Sixty patients with rheumatoid arthritis who were visiting Rizgary Teaching Hospital in Erbil from April 2015 to March 2016were included in a cross-sectional study. Bone mineral density was measured using dual energy X-ray absorptiometry.Results: There was increased frequency of bone loss in patients with rheumatoid arthritis. There was a positive association between bone mineral density of the spine and femoral neck with disease activity measured by disease activity score and disease activity index (P <0.05). There was a significant association between bone mineral density and disease duration. Conclusion: Significant proportions of patients with rheumatoid arthritis have osteoporosis at the femoral neck and lumber spine, and disease duration longer than five years is associated with a significant increase in bone loss.


Article
Prevalence of overhang margins in posterior amalgam restorations and alveolar bone resorption

Authors: Adel F. Ibraheem عادل فرحان ابراهيم --- Khulod A. Al-Safi خلود الصافي
Journal: Journal of baghdad college of dentistry مجلة كلية طب الاسنان بغداد ISSN: 16800087 Year: 2005 Volume: 17 Issue: 1 Pages: 11-13
Publisher: Baghdad University جامعة بغداد

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Abstract

Background: Overhanging dental restorations(ODR) are a major dental health problem, it is an etiologic factor in the progression of periodontal disease, and are alarmingly prevalent .The purpose of this study was to determine the prevalence of overhang margins and associated periodontal status in 100 patients, clinically detectable overhang margins were recorded on posterior teeth.Materials and Methods: Overhanging margins on a proximal restoration were detected by using of bitewing radiographs. 2089 restored surfaces were evaluated, of these 1185 had overhanging margins.Results: As far as related to their effect (ODR) on periodontal health, significantly more bone loss-attachment occurs adjacent to ODR compared to teeth without ODR.Conclusion: This study show high prevalence of overhanging amalgam margins, further more, this study show that ODRs have a significant influence on periodontal status.

Keywords

Overhang --- amalgam --- bone resorption


Article
Fine Needle Aspiration Cytology In Bone Lesions

Authors: Wahda M. AI- Neaimy --- Kassim S.Ibrahim
Journal: Iraqi Academic Scientific Journal المجلة العراقية للاختصاصات الطبية ISSN: 16088360 Year: 2006 Volume: 5 Issue: 1 Pages: 74-76
Publisher: The Iraqi Borad for Medical Specialization المجلس العراقي للاختصاصات الطبية

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Abstract

OBJECTIVE: To assess the efficiency of fine needle aspiration cytology (FNAC) in the diagnosis of bone/esions PATIENT AND METHODS This Prospective study was conducted in the orthopedic surgical wards at Al- Zahrawi teaching hospital of the Mosul city over one year period from 2003-2004.Thirty seven patients presented with bone lesions were included in this study. The lesions were provisionaly diagnosed by clinical and radiological methods. RESULTS: The results of the aspirated lesions include 20 malignant lesions, 8 tumour like lesions, 5 benign and potentially malignant lesions and 3 inflammatory lesions . In one aspirate the materials was inadequate The results were compared with the histopathological diagnosis. CONCLUSION: FNAC of bone lesion is safe, quick, easy, economical and helpful in planning the correct therapy

Keywords

Bone --- FNAC --- Lesion.

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