D E P A R T M E N T S:

LETTER TO THE EDITOR:

TO THE EDITOR:

William D Glenn, III and William R. Maas
J Dent Res 2002 81: 516. [Full Text] [PDF]  

TO THE EDITOR: • THE AUTHORS REPLY

Waranuch Pitiphat, Anwar Merchant, Néstor J. López, Patrício C. Smith, and Jorge Gutierrez
J Dent Res 2002 81: 516-517. [Full Text] [PDF]  

GUEST EDITORIAL:

Occlusion and Temporomandibular Disorders (TMD): Still Unsolved Question?

Pentti Alanen
The rejection of the occlusal hypothesis cannot be justified with the present empirical evidence.

J Dent Res 2002 81: 518-519. [Full Text] [PDF]  

DISCOVERY!:

Biglycan is a Repressor of Amelogenin Expression and Enamel Formation: An Emerging Hypothesis

M. Goldberg, D. Septier, O. Rapoport, M. Young, and L. Ameye
The authors suggest that biglycan acts as a repressor of the expression of amelogenin in the two unique groups of cells involved in amelogenin synthesis, namely, the secretory ameloblasts and odontoblasts.

J Dent Res 2002 81: 520-524. [Full Text] [Figures Only] [PDF]  

R E S E A R C H  R E P O R T S:

Biological:

Gene Expression Profiling of Ameloblastoma and Human Tooth Germ by Means of a cDNA Microarray

K. Heikinheimo, K.J. Jee, T. Niini, Y. Aalto, R.-P. Happonen, I. Leivo, and S. Knuutila
The authors describe a gene expression profile that identifies candidate genes that may be involved in the origination of ameloblastoma and several genes previously unidentified in relation to human tooth development.

J Dent Res 2002 81: 525-530. [Abstract] [Full Text] [Figures Only] [PDF]  

Stem Cell Properties of Human Dental Pulp Stem Cells

S. Gronthos, J. Brahim, W. Li, L.W. Fisher, N. Cherman, A. Boyde, P. DenBesten, P. Gehron Robey, and S. Shi
Human dental pulp stem cells possess stem-cell-like qualities, including self-renewal capability and multi-lineage differentiation.

J Dent Res 2002 81: 531-535. [Abstract] [Full Text] [Figures Only] [PDF] [Data Supplement]  

The Effect of a High-sucrose Diet on Dentin Formation and Dental Caries in Hyperinsulinemic Rats

E. Pekkala, L. Välikangas, M. Puukka, L. Tjäderhane, and M. Larmas
A sucrose-diet-induced reduction in dentinogenesis is independent of insulin and loss of minerals in urine.

J Dent Res 2002 81: 536-540. [Abstract] [Full Text] [Figures Only] [PDF]  

Immunolocalization of a Human Cementoblastoma-conditioned Medium-derived Protein

H. Arzate, L.F. Jiménez-García, M.A. Álvarez-Pérez, A. Landa, I. Bar-Kana, and S. Pitaru
A cementoblastoma-conditioned medium-derived protein identifies potential cementoblast progenitor cells, is immunologically related to cementum attachment protein species, and serves as a biological marker for cementum.

J Dent Res 2002 81: 541-546. [Abstract] [Full Text] [Figures Only] [PDF]  

Biomaterials & Bioengineering:

R-Curve Behavior of Dental Ceramic Materials

H. Fischer, W. Rentzsch, and R. Marx
The mechanical behavior of a dental ceramic material can be judged more comprehensively if the R-curve of the respective material is known.

J Dent Res 2002 81: 547-551. [Abstract] [Full Text] [Figures Only] [PDF]  

Infrared Spectrometric Study of Acid-degradable Glasses

E.A.P. De Maeyer, R.M.H. Verbeeck, and C.W.J. Vercruysse
A decrease in the Si-O-Si angle could be caused by a decrease in the distortions in the (arrangement of the) SiO4 tetrahedra; the tetrahedra as well as their arrangement can be distorted.

J Dent Res 2002 81: 552-555. [Abstract] [Full Text] [Figures Only] [PDF]  

Bonding of Self-etch and Total-etch Adhesives to Carious Dentin

M. Yoshiyama, F.R. Tay, J. Doi, Y. Nishitani, T. Yamada, K. Itou, R.M. Carvalho, M. Nakajima, and D.H. Pashley
Resins can infiltrate porous caries-affected dentin matrices and thin zones of caries-infected dentin.

J Dent Res 2002 81: 556-560. [Abstract] [Full Text] [Figures Only] [PDF] [Data Supplement]  

Clinical:

Predicting Caries in Permanent Teeth from Caries in Primary Teeth: An Eight-year Cohort Study

Y. Li and W. Wang
Caries status in primary teeth can be used as a risk indicator for predicting caries in permanent teeth.

J Dent Res 2002 81: 561-566. [Abstract] [Full Text] [Figures Only] [PDF]  

The Effects of the Solubility of Artificial Fissures on Plaque pH

E. Zaura, M.J. Buijs, and J.M. ten Cate
Fluoride-deficient tissue at the bottom of a fissure is at increased risk for caries, if acids are not buffered near the entrance to the fissure.

J Dent Res 2002 81: 567-571. [Abstract] [Full Text] [Figures Only] [PDF]  

Risk Factors for Dental Implant Failure: A Strategy for the Analysis of Clustered Failure-time Observations

S.K. Chuang, L.J. Wei, C.W. Douglass, and T.B. Dodson
This is the first report with integrated clinical applications of innovative theoretical clustered survival methodologies to identify risk factors associated with dental implant failure.

J Dent Res 2002 81: 572-577. [Abstract] [Full Text] [PDF]  

Visual and Spectrophotometric Shade Analysis of Human Teeth

S. Paul, A. Peter, N. Pietrobon, and C.H.F. Hämmerle
Spectrophotometric shade analysis is more accurate and more reproducible compared with human shade assessment.

J Dent Res 2002 81: 578-582. [Abstract] [Full Text] [Figures Only] [PDF]  

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