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Three-dimensional Observation of Decrease in Pulp Cavity Volume Using Micro-CT: Age-related Change
Pulp chamber Secondary dentin Micro-CT
2010/12/1
We investigated three-dimensional decrease in the volume of the pulp chamber caused by age-related secondary dentin formation using micro-CT and evaluated the applicability of the results to evaluati...
Comparison of micro push-out bond strengths of two fiber posts luted using simplified adhesive approaches
Fiber-reinforced post Luting cement Push-out test
2010/11/26
By means of a micro push-out test, this study compared the bond strengths of two types of fiber-reinforced posts cemented with luting cements based on two currently available adhesive approaches as we...
Block Bone Graft for Implant Placement—Improvement of Esthetic and Function Using an Interdisciplinary Approach—
bone graft implant esthetics of anterior teeth interdisciplinary approach
2009/5/27
In the last few decades, implants have become commonly used to replace single and multiple teeth. Tooth loss and periodontal disease often leave inadequate alveolar bone volume for simple implant pla...
Estimation of nasal tip position using lateral cephalometric X-ray images in Japanese male children: Applications in facial reconstruction
Facial reconstruction Forensic anthropology Nasal tip prediction Nose profile
2008/11/12
Facial reconstruction is a forensic anthropological technique based on a database of facial soft tissue thickness; however, the information available is generally insufficient to completely reconstruc...
Detection of Microsatellite Alterations in Plasma DNA of Malignant Mucosal Melanoma Using Whole Genome Amplification
Free-circulating DNA Plasma DNA Loss of heterozygosity
2010/12/1
Malignant mucosal melanoma (MMM) still has the poorest prognosis. There is a paucity of molecular biological studies on MMM of the head and neck. We investigated free-circulating DNA microsatellites w...
Application of an air-abrasive cutting apparatus in the pediatric dental field: Cutting using chitin-chitosan grains
Air-abrasion cutting Artificially softened dentin Cavity preparation Chitin-chitosan SEM observation
2008/4/19
Using an air-abrasive cutting apparatus, cavity preparation of dentin and artificially softened dentin was performed using alumina or chitin-chitosan grains as cutting media. As a result of scanning e...
Bacteriological evaluation of mutans streptococci using modified mitis-salivarius-bacitracin (MSB) agar medium in primary dentition period
Dental caries, Modified mitis-salivarius-bacitracin (MSB) agar medium Polymerase chain reaction (PCR) Streptococcus mutans Streptococcus sobrinus
2008/4/19
Mutans streptococci considered causative agents of dental caries are indigenous to the oral cavity. Modified mitis-salivarius-bacitracin (MSB) agar medium was supplied by BML. This media has character...
Development of masticatory function in extremely low and very low birthweight infants—A follow-up study using questionnaires—
Development of mastication Extremely low and very low birthweight Follow-up study Infants Questionnaire
2008/4/19
We first conducted a questionnaire study about the development of mastication of EVLBW (extremely low and very low birthweight) infants aged 2 to 4 years in 1998, and results showed that they tended t...
Effects of early treatment of maxillary incisor crowding by using two bands and four brackets (2×4) mechanotherapy
Dental change Maxillary incisor crowding Skeletal change Two bands and four brackets mechanotherapy
2008/4/18
The purpose of the present study was to investigate effects of early treatment of maxillary incisor crowding on anteroposterior skeletal and dental changes. Treatment group comprised 17 patients with ...
Evaluation of mouse gutter shaped root(s) as a quantitative trait using micro-CT
Gutter shaped roots (GSRs) Micro-CT Morphology Mouse Root development
2008/4/17
This study establishes a new measurement method for quantification of mouse gutter shaped root (GSR). To evaluate GSR, we made clear the completion period of root formation by continuous observation f...
Comparison of plaque samples and saliva samples using the CAT21 Test® (Cariostat method)
Cariostat method CAT21 test Dental plaque Saliva
2008/4/16
The study compared CAT21® test scores (Cariostat score) of plaque and saliva samples of 117 kindergarten pupils to check the congruency of both sampling methods. The scores were also compared with...
Method for rapid identification of oral streptococci by PCR using 16S-23S ribosomal RNA intergenic spacer gene
16S-23S rRNA intergenic spacer gene Oral streptococci PCR Species identification
2008/4/16
Mutans group streptococci play an important role in the formation of dental caries, while mitis group streptococci are considered to be associated with subacute bacterial endocarditis. Both mitis and ...
Observations of pulpotomy in rats using in vivo Micro-CT—The changes after treatment of formocresol and calcium hydroxide pulpotomies or CO2 laser irradiation—
Calcium hydroxide CO2 laser, Formocreso Longitudinal changes Pulpotomy R_mCT®
2008/4/16
In general, pulpotomy is evaluated by pathological examination of sacrificed animals at each observing stage. Not only lots of small animals have to devote itself to experimentation, but also the resu...
Research on the remineralization of partially decalcified enamel surfaces using extracted tooth with calcifying solution
Apatite FT-Raman Remineralization Tooth enamel X-ray diffraction
2008/4/16
OBJECTIVE: The recovery of tooth enamel after acid etching was examined in vitro using enamel powder in order to maximize the contact surface area. METHODS: The weight of the powder decreased due to a...
Salivary calculi in children: A study using an energy dispersive X-ray analyzer and contact microradiography
Calcification Elementary compositions Energy dispersive X-ray analyzer (EDAX) Salivary calculus Scanning electron microscope (SEM)
2008/4/16
The purpose of the present study was to examine the degree of calcification and the elementary compositions of salivary calculi in children, and to compare the results with those from adults. Two sali...