Scientific Articles 
Difficult Children: The Practical Experience of One Hundred Forty-five Private Practitioners 
By Philip Weinstein, Peter K. Domoto, Tracy Getz

Socioeconomic Correlation of Oral Disease in Six- to Thirty-six-month-old Children 
By James A. Weddell, Arthur I. Klein

Effect on the Primary Dentition of Mouthrinsing with a 0.2 Percent Neutral NaF Solution: Results From a Demonstration Program After Four School Years 
By Louis W. Ripa, Gary Leske

Caries-preventive Effects of Daily and Weekly fluoride Mouthrinsing in an Optimally Fluoridated Community: Findings After Eighteen Months 
By William S. Driscoll, Philip A. Swango, Alice M. Horowitz, Albert Kingman

Clinical Evaluation of Diluted Formocresol Pulpotomies in Primary Teeth of School Children 
By Anna B. Fuks, Enrique Bimstein

An Evaluation of the Management of Dental Emergencies by the School Nurse 
By David Meadow, Burton Edelstein

Case Reports 
Ring Chromosome 5 With Dental Anomalies 
By Katherine Kula, Shivanand Patil, James Hanson, Arthur Nowak, Hans Zellweger

Neuropathologic Chewing in Comatosed Children: A Case Report 
By A. Freedman, T. Sexton, D. Reich, R.J. Berkowitz

Fractured Incisor Fragment in the Tongue: A Case Report 
By F.J. Hill, Julia F. Picton

Primary Identification of an Abused Child in a Dental Office: A Case Report 
By Theodore P. Croll, Vincent J. Menna, Cheryl A. Evans

Oral-Surgical Management of an Odontogenic Keratocyst in a Patient With Duchenne Muscular Dystrophy 
By Douglas R. Reich, Jack Neff

Fusion of Maxillary Primary Central and Lateral Incisors Bilaterally 
By Eliecer Eidelman

Facial and Oral Findings in Trichorhinophalangeal Syndrome Type 1 (Characteristics of TRPS 1) 
By Carroll G. Bennett, Clem J. Hill, Jaime L. Frias

Review Articles 
Periodontal Epidemiological Indices for Children and Adolescents: I. Gingival and Periodontal Health Assessments 
By Stephen H.Y. Wei, Klaus P. Lang

Forum 
Implications of Child Abuse in Pediatric Dentistry: Summary of a National Conference 
By Roger G. Sanger, Donald C. Bross

Editorial 
Contribution in Dental Science 
By Stephen H.Y. Wei