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

CRITICAL REVIEWS IN ORAL BIOLOGY & MEDICINE:

Fiber-type Composition of the Human Jaw Muscles—(Part 1) Origin and Functional Significance of Fiber-type Diversity

J.A.M Korfage, J.H. Koolstra, G.E.J. Langenbach, and T.M.G.J. van Eijden
The authors discuss the origin and consequences of fiber-type composition in the context of the requirements for functional performance and adaptation that are imposed on the human jaw muscles.

J Dent Res 2005 84: 774-783. [Abstract] [Full Text] [Figures Only] [PDF]  

Fiber-type Composition of the Human Jaw Muscles—(Part 2) Role of Hybrid Fibers and Factors Responsible for Inter-individual Variation

J.A.M Korfage, J.H. Koolstra, G.E.J. Langenbach, and T.M.G.J. van Eijden
The authors review the functional relationship of hybrid fibers and the adaptive properties of jaw-muscle fibers.

J Dent Res 2005 84: 784-793. [Abstract] [Full Text] [Figures Only] [PDF]  

R E S E A R C H  R E P O R T S:

Clinical:

Cost-effectiveness of Mandibular Two-implant Overdentures and Conventional Dentures in the Edentulous Elderly

G. Heydecke, J.R. Penrod, Y. Takanashi, J.P. Lund, J.S. Feine, and J.M. Thomason
The authors present information key to the implementation of programs to provide therapy for edentulous adults, providing an important first contribution to a body of evidence from which a consensus on critical criteria could emerge.

J Dent Res 2005 84: 794-799. [Abstract] [Full Text] [PDF]  

Environmental and Heritable Factors in the Etiology of Oral Diseases—A Population-based Study of Swedish Twins

L.A. Mucci, L. Björkman, C.W. Douglass, and N.L. Pedersen
Analysis of data from this large, population-based study demonstrates a moderate role of genetic factors in oral diseases, and suggests potential gene-environment interactions.

J Dent Res 2005 84: 800-805. [Abstract] [Full Text] [PDF]  

Mode of Delivery and Other Maternal Factors Influence the Acquisition of Streptococcus mutans in Infants

Y. Li, P.W. Caufield, A.P. Dasanayake, H.W. Wiener, and S.H. Vermund
The authors demonstrate a possible perinatal role in infants’ acquisition of a member of the cariogenic microbiota, and its potential effect on caries outcome.

J Dent Res 2005 84: 806-811. [Abstract] [Full Text] [Figures Only] [PDF]  

Polymorphisms in PTCH1 Affect the Risk of Ameloblastoma

T. Kawabata, K. Takahashi, M. Sugai, A. Murashima-Suginami, S. Ando, A. Shimizu, S. Kosugi, T. Sato, M. Nishida, K. Murakami, and T. Iizuka
There is a possible relationship between the CGG8 allele in PTCH1 and the risk for ameloblastoma.

J Dent Res 2005 84: 812-816. [Abstract] [Full Text] [Figures Only] [PDF] [Appendix]  

Bayesian Analysis of Clustered Interval-censored Data

M.C.M. Wong, K.F. Lam, and E.C.M. Lo
This is the first study in dental research to use WinBUGS software to analyze multilevel (clustered) interval-censored data and to report the correlations among failure times.

J Dent Res 2005 84: 817-821. [Abstract] [Full Text] [Figures Only] [PDF] [Appendix]  

Biomaterials & Bioengineering:

Impact of Curing Protocol on Conversion and Shrinkage Stress

H. Lu, J.W. Stansbury, and C.N. Bowman
The predominant reason for the reduced shrinkage stress attained with the use of soft-start or pulse curing is a modest decrease in final conversion.

J Dent Res 2005 84: 822-826. [Abstract] [Full Text] [Figures Only] [PDF] [Appendix]  

Colloidal ß-Tricalcium Phosphate Prepared by Discharge in a Modified Body Fluid Facilitates Synthesis of Collagen Composites

Y. Shibata, H. Yamamoto, and Takashi Miyazaki
Colloidal ß-tricalcium phosphate plays an important role in the synthesis of spatial structure manipulation of collagen composites.

J Dent Res 2005 84: 827-831. [Abstract] [Full Text] [Figures Only] [PDF]  

Biological:

Fluorosis: A New Model and New Insights

J.D. Bartlett, S.E. Dwyer, E. Beniash, Z. Skobe, and T.L. Payne-Ferreira
The authors demonstrate for the first time that fluoride causes changes in cell-signaling molecules during tooth development, which are likely to contribute to the observed fluorotic phenotype, and that increased cell apoptosis may also play a role in the mechanism of fluorosis.

J Dent Res 2005 84: 832-836. [Abstract] [Full Text] [Figures Only] [PDF]  

CSF-1 Regulation of Osteoclastogenesis for Tooth Eruption

G.E. Wise, S. Yao, P.R. Odgren, and F. Pan
The down-regulation of osteoprotegerin needed for tooth eruption is mediated by colony-stimulating factor 1.

J Dent Res 2005 84: 837-841. [Abstract] [Full Text] [Figures Only] [PDF]  

Isolation and Expression of FIP-2 in Wounded Pulp of the Rat

M. Oyama, F. Myokai, T. Ohira, N. Shiomi, K. Yamashiro, H. Arai, F. Nishimura, and S. Takashiba
Up-regulated rFIP-2B expression may play a role in regulating membrane trafficking or cellular morphogenesis of embryonic and wounded pulpal cells.

J Dent Res 2005 84: 842-847. [Abstract] [Full Text] [Figures Only] [PDF] [Appendix]  

Eugenol Inhibits Calcium Currents in Dental Afferent Neurons

M.H. Lee, K.-Y. Yeon, C.-K. Park, H.-Y. Li, Z. Fang, M.S. Kim, S.-Y. Choi, S.J. Lee, S. Lee, K. Park, J.-H. Lee, J.S. Kim, and S.B. Oh
The high-voltage-activated calcium channel inhibition by eugenol in dental primary afferent neurons, which is not mediated by competitive transient receptor potential vanilloid 1 activation, might contribute to eugenol’s analgesic effect.

J Dent Res 2005 84: 848-851. [Abstract] [Full Text] [Figures Only] [PDF]  

Bupivacaine Induces Apoptosis via ROS in the Schwann Cell Line

C.J. Park, S.A. Park, T.G. Yoon, S.J. Lee, K.W. Yum, and H.J. Kim
The authors provide the first evidence that bupivacaine directly induces apoptosis, not necrosis, in Schwann cells, which may be associated with an increase in intracellular reactive oxygen species levels.

J Dent Res 2005 84: 852-857. [Abstract] [Full Text] [Figures Only] [PDF]  

Dendritic-NK Cell Interactions in P. gingivalis-specific Responses

T. Kikuchi, D.L. Willis, M. Liu, D.B. Purkall, S. Sukumar, S.E. Barbour, H.A. Schenkein, and J.G. Tew
NK cells may provide the IFN- needed to induce the P. gingivalis-specific IgG2 observed at high levels in patients’ gingival crevicular fluid and serum, providing an example of how the innate immune system can regulate expression of the adaptive immune system.

J Dent Res 2005 84: 858-862. [Abstract] [Full Text] [Figures Only] [PDF]  

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