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Length determination of zygomatic implants using tridimensional computed tomography
Atrophy Dental implantation Maxilla Tomography X-ray computed
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2009/10/19
Considering the potential of tridimensional computed tomography (3D-CT) as a predictor of real bone dimensions, nine dried human skulls with maxillary edentulism were evaluated using images obtained b...
Densitometric analysis of the autogenous demineralized dentin matrix on the dental socket wound healing process in humans
Bone regeneration Dentin Tissue engineering
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2009/10/19
The aim of this study was to evaluate the effects of the autogenous demineralized dentin matrix (ADDM) on the third molar socket wound healing process in humans, using the guided bone regeneration tec...
Reproducibility of pixel values for two photostimulable phosphor plates in consecutive standardized scannings
Radiography dental digital Reproducibility of results
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2009/10/19
The objective of the present study was to determine the reproducibility of the pixel values obtained with the Digora system (Soredex, Finland). Exposures were standardized, with variation in exposure ...
Assessment of enamel demineralization using conventional, digital, and digitized radiography
Dental enamel Demineralization Radiography Diagnosis
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2009/10/19
This experimental research aimed at evaluating the accuracy of enamel demineralization detection using conventional, digital, and digitized radiographs, as well as to compare radiographs and logarithm...
Ultrasonographic findings in normal temporomandibular joints
Temporomandibular joint disorders Temporomandibular joint Ultrasonography Temporomandibular joint disk
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2009/10/19
The purpose of this study was to determine some ultrasonographic standards of temporomandibular joints with normally positioned discs. Nineteen patients from 18 to 45 years old (average age: 27.4 year...
New formula to objectively evaluate skeletal maturation using lateral cephalometric radiographs
Puberty Cervical vertebrae Growth Measures
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2009/10/19
The aim of this study was to establish two new formulas for objectively evaluating skeletal maturation of cervical vertebrae in female and male Brazilian subjects using lateral cephalometric radiograp...
Evaluation of TMJ articular eminence morphology and disc patterns in patients with disc displacement in MRI
Temporomandibular joint disorders Temporomandibular joint disk Temporomandibular joint dysfunction syndrome Magnetic resonance imaging
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2009/10/19
The aim of this study was to assess the shape of the temporomandibular joint (TMJ) articular eminence and the articular disc configuration and position in patients with disc displacement. TMJ magnetic...
Dental age in patients with Down syndrome
Down syndrome Age determination by teeth Tooth calcification Radiography panoramic
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2009/10/19
The aim of this research was to evaluate dental age in 102 patients with Down Syndrome, using panoramic radiographs. A software program developed by the Discipline of Radiology, School of Dentistry of...
Validation of computed tomography protocols for simulated mandibular lesions: a comparison study
Tomography X-ray computed Bone diseases Mandible
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2009/10/19
Computed tomography is the choice technique to assess oral and maxillofacial osseous lesions because it provides hard and soft tissues visualization in one examination without superimposition of surro...
Effect of gamma rays on the bone repair process in rats with estrogen deficiency
Estrogens Osteoporosis Ovariectomy Bone and bones Fracture healing
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2009/10/16
This study aimed at evaluating the bone repair process in ovariectomized rats submitted to an irradiation procedure. For this purpose, one hundred rats were randomly divided in four experimental group...
Comparative analysis of human and bovine teeth: radiographic density
Tooth Cattle Humans X-Rays Radiography dental
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2009/10/16
Since bovine teeth have been used as substitutes for human teeth in in vitro dental studies, the aim of this study was to compare the radiographic density of bovine teeth with that of human teeth to e...
Optical density of bone repair after implantation of homogenous demineralized dentin matrix in diabetic rabbits
Dentin Bone regeneration Guided tissue regeneration Bone density Diabetes mellitus
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2009/10/16
This research evaluated the bone repair process after implantation of homogenous demineralized dentin matrix (HDDM) in surgical defects in the parietal bone of rabbits with alloxan-induced diabetes, u...
Image quality in partially erased DenOptix® storage phosphor plates
Diagnosis Radiography dental digital Quality control
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2009/10/16
This study aimed at investigating the effect of the partial erasing of DenOptix?/sup> system storage phosphor plates on the image quality of digital radiographs. Standardized digital radiographs were ...
CT assessment of the correlation between clinical examination and bone involvement in oral malignant tumors
Oral cancer Diagnosis clinical Tomography X-ray computed
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2009/10/16
Oral cancers have a tendency to invade the surrounding bone structures, and this has a direct influence on the treatment management and on outcomes. The objective of this study was to correlate the cl...