- Pergnancy Induced Hypertension(PIH) and Altered Fractal Correlation Behavior in Fetal Heart Rate Variability
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Kim JH, Yum MK
- KMID: 2072054
- Korean J Perinatol.
- 2001 Dec;12(4):473-479.
No abstract available. -
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- Evaluation of peri-implant bone using fractal analysis
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Jung YH
- KMID: 2013062
- Korean J Oral Maxillofac Radiol.
- 2005 Sep;35(3):121-125.
PURPOSE: The purpose of this study was to investigate whether the fractal dimension of successive panoramic radiographs of bone after implant placement is useful in the characterization of structural change... -
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- Changes in the fractal dimension of peri-implant trabecular bone after loading: a retrospective study
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Mu TJ, Lee DW, Park KH, Moon IS
- KMID: 2212028
- J Periodontal Implant Sci.
- 2013 Oct;43(5):209-214.
- doi: 10.5051/jpis.2013.43.5.209
PURPOSE: To assess bony trabecular changes potentially caused by loading stress around dental implants using fractal dimension analysis. METHODS: Fractal dimensions were measured in 48 subjects by comparing radiographs taken immediately... -
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- Change of the fractal dimension according to the decalcification degree and the exposure time in the bovine rib
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Jung YH, Nah KS, Cho BH
- KMID: 2074823
- Korean J Oral Maxillofac Radiol.
- 2006 Jun;36(2):69-72.
PURPOSE: We evaluated the fractal dimension changes on bovine rib radiographs according to the decalcification degree and the exposure time in the bovine rib. MATERIALS AND METHODS: Twenty 5 mm thick... -
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- Usefulness of fractal analysis for the diagnosis of periodontitis
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Cha SY, Han WJ, Kim EK
- KMID: 1570613
- Korean J Oral Maxillofac Radiol.
- 2001 Mar;31(1):35-42.
PURPOSE: To evaluate the usefulness of fractal analysis for diagnosis of periodontitis. MATERIALS AND METHODS: Each 30 cases of periapical films of male mandibular molar were selected in normal group... -
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- Bone changes after bilateral sagittal split osteotomy for mandibular prognathism
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Park HJ, Jung YH, Cho BH
- KMID: 2034133
- Korean J Oral Maxillofac Radiol.
- 2006 Dec;36(4):183-188.
PURPOSE: The purpose of this research was to study bone changes after bilateral sagittal split osteotomy through fractal analysis and measurement of mandibular cortical thickness. MATERIALS AND METHODS: This study... -
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- The influence of X ray beam angulation on the fractal analysis of trabecular architecture in human dry mandible using standardized tile counting method
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Lee KH, Lee SB, An CH, Heo MS, Yi WJ, Huh KH, Park MS, Lee SS, Choi SC
- KMID: 2013052
- Korean J Oral Maxillofac Radiol.
- 2004 Dec;34(4):179-183.
PURPOSE: The purpose of this study is to examine the effects of X-ray beam angulation on the fractal dimension of trabecular bone structure of human dry mandible using the tile... -
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- A clinical study of alveolar bone quality using the fractal dimension and the implant stability quotient
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Lee DH, Ku Y, Rhyu IC, Hong JU, Lee CW, Heo MS, Huh KH
- KMID: 2094711
- J Periodontal Implant Sci.
- 2010 Feb;40(1):19-24.
- doi: 10.5051/jpis.2010.40.1.19
PURPOSE: It has been suggested that primary implant stability plays an essential role in successful osseointegration. Resonance frequency analysis (RFA) is widely used to measure the initial stability of implants... -
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- Observation of trabecular changes of the mandible after orthognathic surgery using fractal analysis
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Kang HJ, Jeong SW, Jo BH, Kim YD, Kim SS
- KMID: 2189703
- J Korean Assoc Oral Maxillofac Surg.
- 2012 Apr;38(2):96-100.
- doi: 10.5125/jkaoms.2012.38.2.96
OBJECTIVES: This study sought to evaluate trabecular changes in the mandible using fractal analysis and to explain the transient osteopenia related to rapid orthodontic tooth movement after orthognathic surgery. MATERIALS AND... -
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- Prediction of age-related osteoporosis using fractal analysis on panoramic radiographs
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Koh KJ, Park HN, Kim KA
- KMID: 1806789
- Imaging Sci Dent.
- 2012 Dec;42(4):231-235.
- doi: 10.5624/isd.2012.42.4.231
PURPOSE: This study was performed to evaluate the trabecular pattern on panoramic radiographs to predict age-related osteoporosis in postmenopausal women. MATERIALS AND METHODS: Thirty-one postmenopausal osteoporotic women and 25 postmenopausal healthy... -
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- Correlation of bone quality in radiographic images with clinical bone quality classification
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Kim HW, Huh KH, Park KS, Kim JH, Yi WJ, Heo MS, Lee SS, Choi SC
- KMID: 2270876
- Korean J Oral Maxillofac Radiol.
- 2006 Mar;36(1):25-32.
PURPOSE: To investigate the validity of digital image processing on panoramic radiographs in estimating bone quality before endosseous dental implant installation by correlating bone quality in radiographic images with clinical... -
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- A fractal analysis of bone phantoms from digital images
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Kim JD, Kim JS, Lee CY
- KMID: 1887561
- Korean J Oral Maxillofac Radiol.
- 2005 Mar;35(1):33-40.
PURPOSE: (1) To analyse the effect of exposure time, ROI size and one impact factor in the image processing procedure on estimates of fractal dimension; and (2) to analyse the... -
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- Fractal analysis of mandibular trabecular bone: optimal tile sizes for the tile counting method
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Huh KH, Baik JS, Yi WJ, Heo MS, Lee SS, Choi SC, Lee SB, Lee SP
- KMID: 1449938
- Imaging Sci Dent.
- 2011 Jun;41(2):71-78.
- doi: 10.5624/isd.2011.41.2.71
PURPOSE: This study was performed to determine the optimal tile size for the fractal dimension of the mandibular trabecular bone using a tile counting method. MATERIALS AND METHODS: Digital intraoral radiographic... -
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- Anatomical variations of trabecular bone structure in intraoral radiographs using fractal and particles count analyses
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Amer ME, Heo MS, Brooks SL, Benavides
- KMID: 1974401
- Imaging Sci Dent.
- 2012 Mar;42(1):5-12.
- doi: 10.5624/isd.2012.42.1.5
PURPOSE: This study was performed to evaluate possible variations in maxillary and mandibular bone texture of normal population using the fractal analysis, particles count, and area fraction in intraoral radiographs. MATERIALS... -
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- Fractal analysis of the surgical treatment of ligature-induced peri-implantitis in dogs
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Kim HK, Kim JS
- KMID: 2034196
- Korean J Oral Maxillofac Radiol.
- 2010 Sep;40(3):123-129.
PURPOSE: To evaluate the effect of surgical treatment of ligature-induced peri-implantitis in dogs using fractal analysis. Also, the capabilities of fractal analysis as bone analysis techniques were compared with those... -
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- Radiologic assessment of bone healing after orthognathic surgery using fractal analysis
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Park KS, Heo MS, Lee SS, Choi SC, Park TW, Jeon IS, Kim JD
- KMID: 2033999
- Korean J Oral Maxillofac Radiol.
- 2002 Dec;32(4):201-206.
PURPOSE: To evaluate the radiographic change of operation sites after orthognathic surgery using the digital image processing and fractal analysis. MATERIALS AND METHODS: A series of panoramic radiographs of thirty-five randomly... -
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- Effect of exposure time and image resolution on fractal dimension
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An BM, Heo MS, Lee SP, Lee SS, Choi SC, Park TW, Kim JD
- KMID: 1924069
- Korean J Oral Maxillofac Radiol.
- 2002 Jun;32(2):75-79.
PURPOSE: To evaluate the effect of exposure time and image resolution on fractal dimension calculations for determining the optimal range of these two variances. MATERIALS AND METHODS: Thirty-one radiographs of the... -
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- Characterization of trabecular bone structure using 2D Fourier transformation and fractal analysis
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Lee KI
- KMID: 1537415
- J Korean Acad Oral Maxillofac Radiol.
- 1998 Aug;28(2):339-353.
The purpose of this study was to investigate whether a radiographic estimate of osseous fractal dimension and power spectrum of 2D discrete Fourier transform is useful in the characterization of... -
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- Effect of Attractor Construction Methods to Fractal Dimension for Heart Sound Analysis
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Lee Y, Kim H, Kim T
- KMID: 2330316
- J Korean Soc Med Inform.
- 2004 Jun;10(2):191-200.
Strange attractor can be constructed from time series data such as heart sound. In the areas of the recognition and diagnosis of abnormal heart sounds, signal presentation method is very... -
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- Radiologic assessment of bone healing by fractal analysis after the treatment of jaw bone cyst by decompression
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Baek JW, Seok M, Lee ES, Jang HS, Rim JS
- KMID: 2005273
- J Korean Assoc Oral Maxillofac Surg.
- 2007 Oct;33(5):494-498.
PURPOSE: This study was done to know the usefulness of fractal analysis when evaluating the radiologic changes after decompression on jaw bone cystic lesions using fractal analysis. MATERIALS AND METHODS: 30cases... -
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