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

CRITICAL REVIEWS IN ORAL BIOLOGY & MEDICINE:

Craniofacial Tissue Engineering by Stem Cells

J.J. Mao, W.V. Giannobile, J.A. Helms, S.J. Hollister, P.H. Krebsbach, M.T. Longaker, and S. Shi
This review is designed not only to serve as a timely and comprehensive synthesis of our current knowledge of craniofacial tissue engineering, but also to identify immediate challenges in this dynamic field.

J Dent Res 2006 85: 966-979. [Abstract] [Full Text] [Figures Only] [PDF]  

Efficacy and Safety of Biodegradable Osteofixation Devices in Oral and Maxillofacial Surgery: a Systematic Review

G.J. Buijs, B. Stegenga, and R.R.M. Bos
The authors systematically review the available literature to determine the clinical efficacy and safety of biodegradable devices compared with titanium devices in oral and maxillofacial surgery.

J Dent Res 2006 85: 980-989. [Abstract] [Full Text] [Figures Only] [PDF]  

DISCOVERY!:

Dr. Theodor Rosebury: Grandfather of Modern Oral Microbiology

Daniel H. Fine
The author pays tribute to the "Grandfather" of modern oral microbiology.

J Dent Res 2006 85: 990-995. [Full Text] [Figures Only] [PDF]  

R E S E A R C H  R E P O R T S:

Clinical:

Lesions of Endodontic Origin and Risk of Coronary Heart Disease

D.J. Caplan, J.B. Chasen, E.A. Krall, J. Cai, S. Kang, R.I. Garcia, S. Offenbacher, and J.D. Beck
Chronic endodontic inflammation is related to the development of coronary heart disease, especially among younger men.

J Dent Res 2006 85: 996-1000. [Abstract] [Full Text] [Figures Only] [PDF]  

Head Immobilization can Impair Jaw Function

B. Häggman-Henrikson, E. Nordh, H. Zafar, and P.-O. Eriksson
The authors’ findings suggest the recruitment of neck muscles in jaw activities, supporting the hypothesis that head fixation can impair jaw function.

J Dent Res 2006 85: 1001-1005. [Abstract] [Full Text] [Figures Only] [PDF]  

Mechanical Work during Stress-field Translation in the Human TMJ

L.M. Gallo, G. Chiaravalloti, L.R. Iwasaki, J.C. Nickel, and S. Palla
To the authors’ knowledge, this is the first analysis of data describing mechanical work in a synovial joint system.

J Dent Res 2006 85: 1006-1010. [Abstract] [Full Text] [Figures Only] [PDF]  

The Effect of Copper on Demineralization of Dental Enamel

A.Z. Abdullah, S.M. Strafford, S.J. Brookes, and M.S. Duggal
Copper alone had no significant protective effect on demineralization of dental enamel.

J Dent Res 2006 85: 1011-1015. [Abstract] [Full Text] [PDF]  

Biomaterials & Bioengineering:

Effects of Resin Hydrophilicity on Dentin Bond Strength

Y. Nishitani, M. Yoshiyama, A.M. Donnelly, K.A. Agee, J. Sword, F.R. Tay, and D.H. Pashley
Wet-bonding with ethanol achieved higher bond strengths with hydrophobic resins than were possible with water-saturated matrices.

J Dent Res 2006 85: 1016-1021. [Abstract] [Full Text] [Figures Only] [PDF]  

Role of Alcohol in the Fracture Resistance of Teeth

R.K. Nalla, J.H. Kinney, A.P. Tomsia, and R.O. Ritchie
Chemical dehydration induced by alcohol has a significant beneficial effect on the elastic modulus, strength, and fracture toughness of dentin, and the change in properties is fully reversible upon rehydration.

J Dent Res 2006 85: 1022-1026. [Abstract] [Full Text] [Figures Only] [PDF]  

Minimizing Dentinal Fluid Flow Associated with Gap Formation

D.N. Ratih, J.E.A. Palamara, and H.H. Messer
The authors investigated the hypothesis that either glass-ionomer cement liners or low-shrinkage composite could reduce fluid flow related to gap formation.

J Dent Res 2006 85: 1027-1031. [Abstract] [Full Text] [Figures Only] [PDF] [Appendix]  

Increased Young’s Modulus and Hardness of Col1a2^oim Dentin

G.E. Lopez Franco, A. Huang, N. Pleshko Camacho, D.S. Stone, and R.D. Blank
Clinical fragility of oim mice is not due to deficiencies of hardness or Young’s modulus, but may be due to defects in post-yield behavior or resistance to fatigue damage.

J Dent Res 2006 85: 1032-1036. [Abstract] [Full Text] [Figures Only] [PDF]  

Apparent Interfacial Fracture Toughness of Resin/Ceramic Systems

A. Della Bona, K.J. Anusavice, and J.J. Mecholsky, Jr.
The authors confirmed the hypothesis that interfacial fracture toughness of the adhesion zone of resin/ceramic systems is affected by the ceramic microstructure and ceramic surface treatments.

J Dent Res 2006 85: 1037-1041. [Abstract] [Full Text] [Figures Only] [PDF] [Appendix]  

Biological:

Effects of Systemic Fluoride and in vitro Fluoride Treatment on Enamel Crystals

H. Chen, A. Czajka-Jakubowska, N.J. Spencer, J.F. Mansfield, C. Robinson, and B.H. Clarkson
The authors suggest a mechanism for the increased surface roughness of crystals in fluorotic enamel.

J Dent Res 2006 85: 1042-1045. [Abstract] [Full Text] [Figures Only] [PDF]  

Tissue pH and Temperature Regulate Pulpal Nociceptors

H.E. Goodis, A. Poon, and K.M. Hargreaves
Environmental stimuli regulate the activity of capsaicin-sensitive neurons innervating dental pulp, and these factors may be significant clinically in the development and amelioration of dental pain.

J Dent Res 2006 85: 1046-1049. [Abstract] [Full Text] [Figures Only] [PDF]  

Characterization of Fibroblasts with Son of Sevenless-1 Mutation

E.J. Lee, S.I. Jang, D. Pallos, J. Kather, and T.C. Hart
The authors report that increased fibroblast numbers and collagen matrix changes are associated with mutation of the SOS1 gene in vitro and in vivo.

J Dent Res 2006 85: 1050-1055. [Abstract] [Full Text] [Figures Only] [PDF]  

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