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

GUEST EDITORIAL:

Forging Partnerships Through Communication

T. Howard Jones
J Dent Res 2003 82: 332-333. [Full Text] [PDF]  

DISCOVERY!:

Water Fluoridation in Ireland—a Success Story

John Clarkson, Jacinta McLoughlin, and Seamus O’Hickey
The authors relate the history of water fluoridation in Ireland.

J Dent Res 2003 82: 334-337. [Full Text] [Figures Only] [PDF]  

RAPID COMMUNICATION:

New Bacterial Species Associated with Chronic Periodontitis

P.S. Kumar, A.L. Griffen, J.A. Barton, B.J. Paster, M.L. Moeschberger, and E.J. Leys
This study has expanded the list of bacterial species associated with chronic periodontitis to include several uncultivated species recently identified by ribosomal sequence analysis.

J Dent Res 2003 82: 338-344. [Abstract] [Full Text] [Figures Only] [PDF]  

ERRATUM:

ERRATUM

J Dent Res 2003 82: 406. [Full Text] [Figures Only] [PDF]  

R E S E A R C H  R E P O R T S:

Clinical:

Bias Induced by Self-reported Smoking on Periodontitis-Systemic Disease Associations

C.F. Spiekerman, P.P. Hujoel, and T.A. DeRouen
The authors demonstrate that the smoking-periodontitis correlations and the self-reported smoking data imprecisions, found in a real-life well-known dataset, are of sufficient magnitude to produce false-positive associations between measures of periodontitis and a smoking-related condition.

J Dent Res 2003 82: 345-349. [Abstract] [Full Text] [Figures Only] [PDF]  

Molar Intercuspal Dimensions: Genetic Input to Phenotypic Variation

G. Townsend, L. Richards, and T. Hughes
This is the first evidence in humans to support experimental findings that have shown that the locations of secondary enamel knots, and therefore subsequently formed cusp tips of teeth, are determined by a cascade of epigenetic events, rather than being under direct genetic control.

J Dent Res 2003 82: 350-355. [Abstract] [Full Text] [Figures Only] [PDF] [Appendix]  

Genetic Predisposition to External Apical Root Resorption in Orthodontic Patients: Linkage of Chromosome-18 Marker

R.A. Al-Qawasmi, J.K. Hartsfield, Jr., E.T. Everett, L. Flury, L. Liu, T.M. Foroud, J.V. Macri, and W.E. Roberts
The TNFRSF11A locus, or another tightly linked gene, is associated with external apical root resorption, a common orthodontic treatment sequela.

J Dent Res 2003 82: 356-360. [Abstract] [Full Text] [Figures Only] [PDF]  

Toothbrushing as Part of the Adolescent Lifestyle Predicts Education Level

L. Koivusilta, S. Honkala, E. Honkala, and A. Rimpelä
Low toothbrushing frequency indicates selection into the less-educated section of society.

J Dent Res 2003 82: 361-366. [Abstract] [Full Text] [PDF] [Appendix]  

Biomaterials & Bioengineering:

Biocompatibility of Hydroxylated Metabolites of BISGMA and BFDGE

E.L. Kostoryz, J.D. Eick, A.G. Glaros, B.M. Judy, W.V. Welshons, S. Burmaster, and D.M. Yourtee
The tetrahydroxylated metabolites of BISGMA and BFDGE are non-mutagenic, non-estrogenic, and less cytotoxic than their parent monomers.

J Dent Res 2003 82: 367-371. [Abstract] [Full Text] [Figures Only] [PDF]  

Implant Surface Roughness Affects Osteoblast Gene Expression

G.B. Schneider, H. Perinpanayagam, M. Clegg, R. Zaharias, D. Seabold, J. Keller, and C. Stanford
Osteoblast gene expression and mineralization are affected by roughened implant surface microtopographies during osseointegration of dental implants.

J Dent Res 2003 82: 372-376. [Abstract] [Full Text] [Figures Only] [PDF]  

The Use of Small Titanium Screws for Orthodontic Anchorage

T. Deguchi, T. Takano-Yamamoto, R. Kanomi, J.K. Hartsfield, Jr., W.E. Roberts, and L.P. Garetto
Small titanium screws can function as rigid osseous anchorage against orthodontic load with a minimal healing period.

J Dent Res 2003 82: 377-381. [Abstract] [Full Text] [Figures Only] [PDF]  

Biological:

Different Mechanisms of Syndecan-1 Activation through a Fibroblast-growth-factor-inducible Response Element (FiRE) in Mucosal and Cutaneous Wounds

J. Rautava, T. Soukka, K. Heikinheimo, P.J. Miettinen, R.-P. Happonen, and P. Jaakkola
Exogenous growth factor activity is required for activation of syndecan-1 in mucosal wounds but not in cutaneous wounds.

J Dent Res 2003 82: 382-387. [Abstract] [Full Text] [Figures Only] [PDF]  

Altered pH Regulation During Enamel Development in the Cystic Fibrosis Mouse Incisor

W. Sui, C. Boyd, and J.T. Wright
The cystic fibrosis transmembrane conductance regulator plays an important role in pH regulation during enamel development.

J Dent Res 2003 82: 388-392. [Abstract] [Full Text] [Figures Only] [PDF]  

Vanilloid Receptor Expression in the Rat Tongue and Palate

M.A. Kido, H. Muroya, T. Yamaza, Y. Terada, and T. Tanaka
Vanilloid receptor 1 may be a new target for the treatment of oral pain.

J Dent Res 2003 82: 393-397. [Abstract] [Full Text] [Figures Only] [PDF]  

Intrinsic Regulation of CGRP Release by Dental Pulp Sympathetic Fibers

K.M. Hargreaves, W.R. Bowles, and D.L. Jackson
This is the first study to demonstrate that activation of pulpal sympathetic fibers inhibits the exocytotic activity of the capsaicin-sensitive class of pulpal sensory neurons.

J Dent Res 2003 82: 398-401. [Abstract] [Full Text] [Figures Only] [PDF]  

Nature of Neck Motor Unit Activities Evoked by Different Trigeminal Inputs in Rats

J.L. Zeredo, K. Toda, and K. Soma
There are at least two distinct pathways from the trigeminal afferents to the neck muscles, with significant functional differences.

J Dent Res 2003 82: 402-405. [Abstract] [Full Text] [Figures Only] [PDF]  

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