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P 17 Title FRACTAL DIMENSION ANALySIS OF PERIODONTITIS-INDuCED INTERDENTAL bONE CHANGES Authors E. SOGuR 1 , b.G. bAKSI 1 , S CINARCIK 2 Affiliations 1 Ege University, School of Dentistry, Department of Oral & Maxillofacial Radiology, Izmir, TUR- KEY, 2 Ege University, School of Dentistry, Department of Periodontology, Izmir, TURKEY Body Objectives: The aim of this study was to evaluate the capability of fractal analysis to discriminate the changes in the trabecular structure of interdental bone between individuals with healthy gingiva or periodontitis using storage phosphor plate (SPP) images. Methods: Two groups of patients were included in the study according to the pocket probing depth, bleeding on probing and attachment loss. The first group (n= 50) consisted of individuals with healthy gingiva, while the other group consisted of patients with moderate periodontitis (n=50). Periapical images obtained with Digora® Optime SPP system during clinical examination of the patients were used for the fractal dimension (FD) calculations. Two rectangular regions of interest (ROIs) were placed at mandibular posterior interdental bone areas. The sizes of the ROIs were dictated by the size of the interdental bone areas. Mean of the two ROIs was used to calculate mean FD by using the box-counting method. Student’s t-test was used for the comparison of FDs of two groups (p= 0.05). Results: The mean FD of periodontitis patients was 0.83 ± 0.08, while it was 1.02 ± 0.09 for the patients with healthy gingiva. Extremely significant difference was obtained in the mean FD values of healthy individuals and patients with periodontitis (p< 0.0001). Patients with periodontitis demonstrated lower FD values than patients with healthy gingiva. Conclusion: Fractal analysis can quantitatively discriminate the trabecular integrity alterations induced by periodontitis and therefore; can be recommended for the screening and monitoring of changes in trabecular architecture associated with periodontitis. Keywords periodontitis/radiography,fractals,alveolar bone loss/radiography 132
P 18 Title HOW COMMON ARE INCIDENTAL SOFT TISSuE CALCIFICATIONS ON DENTAL CbCT? Authors F. SMITH-JACK 1 , D. Thomson 1 , b. batchu 1 Affiliations 1 Dundee dental hospital, Dundee, UNITED KINGDOM Body Objective: The aim of this study was to assess the type and number of incidental soft tissue calcifications identified on CBCT examination of the head and neck. Method: All CBCT scans performed in our institution between November 2009 – November 2011 (296) were reviewed for the presence of soft tissue calcifications. The calcifications included were: acne; vascular; lymph node; pharyngeal tonsils; parotid and submandibular glands and ducts; antroliths. The height of the scanned volume, age and sex of the patient were also recorded. Results: A total of 62/296 (21%) of CBCT scans showed some form of soft tissue calcification, 13/62 (21%) of these had two or more soft tissue calcifications. The most common were pharyngeal calcifications (16%) followed by vascular calcifications (5%), acne (4%), parotid gland (1%) salivary duct (1%), Antrolith (0.68%). No submandibular gland or nodal calcifications were recorded. The height of the scanned volume ranged from 27-170mm, patient age ranged from 7-84 (mean 39.7). 54% of patients were male and 46% female. Conclusion: These figures highlight the importance of systematic examination of CBCT scans to ensure that all areas are examined, not just the specific area of interest. Any other clinically significant findings should also be included within reporting. Keywords Cone Beam Computed Tomography,Calcification,Incidental POSTerS 133
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Program Overview Wednesday 13.06.20
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IMPORTANT NOTES Registration desk -
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CV Prof. Dr. med Rüdiger Lessig bo
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CV Dr. Martin Surbeck 1996-2002 Stu
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Thursday, 14.06.2012 | Main lecture
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Thursday, 14.06.2012 | Second lectu
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CV Franz Pfeiffer Age 38, born 25th
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CV Prof. Dr. bodo Kress 28th Septem
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Friday, 15.06.2012 | Main lecture h
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Friday, 15.06.2012 | Second lecture
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Saturday, 16.06.2012 | Main lecture
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14.06.2012 | 09.00 - 17.00 | Poster
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p 34 G. aKciceK, S. aKSOY, K. Orhan
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p 67 K. GunduZ, P. celenK, h. aVSeV
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p 102 a. aSSaF, B. Kahl-nieKe, J. F
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OP 11 Title DEVELOPMENT OF THE SEDE
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OP 13 Title THE TRIAL OF REDuCING D
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OP 15 Title CbCT IMAGE ARTIFACTS RE
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OP 17 Title METAL ARTIFACT REDuCTIO
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OP 22 Title DENTAL AGE ESTIMATION A
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OP 24 Title A CEPHALOMETRIC MICROCO
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OP 26 Title CANINE ANGuLATION IN PA
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OP 31 Title ACCuRACy OF CbCT IN DET
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OP 33 Title GAIN OF INFORMATION ON
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OP 35 Title CONE-bEAM COMPuTED TOMO
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OP 41 Title CAPAbILITy OF ADIPOSE D
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OP 43 Title THE APPLICATIONS AND uS
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OP 45 Title MEASuREMENTS OF THE FOR
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OP 47 Title IR(ME)R REGuLATIONS:COM
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OP 52 Title EVALuATION OF THE PHySI
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OP 54 Title THE DESIGN OF FFT FILTE
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OP 56 Title CbCT REFORMATTED PANORA
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OP 61 Title RELIAbILITy OF VOXEL GR
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OP 63 Title CORRELATION OF MANDIbuL
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OP 65 Title ASSESSING bONE THICKNES
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OP 67 Title DOSIMETRy OF THREE CbCT
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OP 72 Title PANORAMIC RADIOGRAPHy.
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OP 74 Title RADIOGRAPHIC ANALySIS O
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OP 82 Title DENTAL RADIOGRAPHy IN G
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OP 84 Title ECONOMIC EVALuATION IN
Page 82 and 83: OP 92 Title uLTRASONOGRAPHy OF MAJO
Page 84 and 85: OP 94 Title INFLuENCE OF THE REMNAN
Page 86 and 87: OP 96 Title INTRODuCTION TO uLTRASO
Page 88 and 89: OP 101 Title INTERNET bASED RADIO-A
Page 90 and 91: OP 103 Title ASSESSMENT OF ROOT CAN
Page 92 and 93: OP 105 Title CALCIFICATIONS IN CARO
Page 94 and 95: OP 107 Title DOSE REDuCTION IN PANO
Page 96 and 97: OP 112 Title AuDIT OF RADIOGRAPHIC
Page 98 and 99: OP 121 Title OPPORTuNITIES OF IMAGE
Page 100 and 101: OP 123 Title SEGMENTATION OF TRAbEC
Page 102 and 103: OP 132 Title WHICH THERAPEuTIC SIGN
Page 104 and 105: OP 134 Title 3T-MRI FOR THE EVALuAT
Page 106 and 107: OP 136 Title OSSEOuS AbNORMALITIES
Page 108 and 109: OP 141 Title GEOMETRIC ACCuRCy OF C
Page 110 and 111: OP 143 Title EFFECT OF ENHANCEMENT
Page 112 and 113: OP 145 Title CONE-bEAM COMPuTED TOM
Page 114 and 115: OP 147 Title PREVALENCE OF INCIDENT
Page 116 and 117: P 1 Title DENTAL STuDENT PERCEPTION
Page 118 and 119: P 3 Title DIAGNOSIS OF IMPACTED TEE
Page 120 and 121: P 5 Title MANDIbLE PERFORATION WITH
Page 122 and 123: P 7 Title ORAL&MAXILLOFACIAL TuMORS
Page 124 and 125: P 9 Title ELIMINATION OF DIAGNOSTIC
Page 126 and 127: P 11 Title FREQuENCy,CHARACTERISTIC
Page 128 and 129: P 13 Title ASSESSMENT OF ALVEOLAR b
Page 130 and 131: P 15 Title CONE bEAM CT REVEALING H
Page 134 and 135: P 19 Title EFFECTS OF MANDIbuLAR AD
Page 136 and 137: P 21 Title COMPARISON OF FAT SuPPRE
Page 138 and 139: P 23 Title PANORAMIC VERSuS CbCT IM
Page 140 and 141: P 25 Title EFFECTIVENESS OF THE SIM
Page 142 and 143: P 27 Title ARTIFACTS IN CbCT CAuSED
Page 144 and 145: P 29 Title DIGITAL RADIOGRAPy EVALu
Page 146 and 147: P 31 Title DENTAL IMPLANT SITES MIC
Page 148 and 149: P 33 Title SIALOENDOSCOPy FOR SIALO
Page 150 and 151: P 35 Title uNDIFFERENTIATED SPONDyL
Page 152 and 153: P 37 Title EVAuLATION OF SOFT TISSu
Page 154 and 155: P 39 Title EFFECT OF TubE CuRRENT O
Page 156 and 157: P 41 Title zOLEDRONIC ACID AND RADI
Page 158 and 159: P 43 Title THE DOSES ACCORDING TO T
Page 160 and 161: P 45 Title MAXILLARy bONE IN FEMALE
Page 162 and 163: P 47 Title uSEFuLNESS OF IDEAL IN O
Page 164 and 165: P 49 Title DESCRIPTION OF REFERRAL
Page 166 and 167: P 51 Title ADJACENT TRANSCRESTAL SI
Page 168 and 169: P 53 Title MuLTIPLE bROWN TuMORS OF
Page 170 and 171: P 55 Title ARE WE SEEING THE WHOLE
Page 172 and 173: P 57 Title DENSITOMETRIC STuDIy ON
Page 174 and 175: P 59 Title RADIOLOGICAL ASSESSMENT
Page 176 and 177: P 61 Title COMPARISON OF D AND F SP
Page 178 and 179: P 63 Title ASSESSMENT OF TRAbECuLAR
Page 180 and 181: P 65 Title DISK MORPHOLOGy CHANGES
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P 67 Title THE INFLuENCE OF DIFFERE
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P 69 Title A RETROSPECTIVE STuDy OF
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P 71 Title CAN PTERyGOID PLATE ASyM
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P 73 Title CONE bEAM COMPuTED TOMOG
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P 75 Title NORMAL FACIAL ASyMMETRy
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P 77 Title COMPARISON OF HARD TISSu
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P 79 Title CbCT IN THE EVALuATION O
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P 81 Title KNOWLEDGE OF PANORAMIC A
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P 83 Title IS MEASuREMENT OF LENGHT
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P 85 Title bENIGN CEMENTObLASTOMA:
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P 87 Title GIANT SIALOLITH OF THE S
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P 89 Title INCIDENTAL FINDINGS ON O
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P 91 Title 3D ANALySIS OF MICROSTRu
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P 93 Title DIAGNOSTIC VALuE OF CONE
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P 95 Title EFFECT OF LOW-INTENSITy
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P 97 Title EVALuATION OF PANORAMIC
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P 99 Title RELATIONSHIP bETWEEN TON
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P 101 Title EVALuATION OF PANORAMIC
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P 103 Title AGE RELATED OSTEOPOROTI
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P 105 Title OSSEOuS AbNORMALITIES O
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