Theme Article 
An Update in Pediatric Oncology 
By Nancy L. Dunn, E. Clifton Russell, Harold M. Maurer

Scientific Articles 
Class II Glass Ionomer/Silver Cermet Restorations and Their Effect on Interproximal Growth of Mutans Streptococci 
By Joel H. Berg, Janice E. Farrell, Lee R. Brown

Assessment of Marginal Leakage Around Class II Composite Restorations in Retrieved Primary Molars 
By Anna B. Fuks, Aubrey Chosack, Eliezer Eidelman

A Study of Facially Expressed Emotions as a Function of Age, Exposure Time and Sex in Children 
By Stephen Wilson, Tim Flood, Ned Kramer, Dennis J. McTigue, Barry Steinberg

A Comparison of Chloral Hydrate and Diazepam Sedation in Young Children 
By Madeline M. Badalaty, Milton I. Houpt, Samuel R. Koenigsberg, Kathryn C. Maxwell, Paul J. DesJardins

Evaluation of a Fluoride-containing Sealant by SEM, Microleakage and Fluoride Release 
By Robert L. Cooley, James W. McCourt, Ann M. Huddleston, H. Paul Casmedes

Case Reports 
Unusual Nasal Foreign Body Detected by Panoramic Dental Radiography: Case Report 
By Tim Fagan, Richard J. Mathewson

Odontodysplasia in a Pediatric Patient: Literature Review and Case Report 
By Rolando Guzman, Margaret A. Elliott, Karen M. Rossie

Editorial 
Looking Ahead in Pediatric Dentistry 
By Ralph E. McDonald

Games Children Play 
By Thrity Umrigar