NATIONAL INSTITUTE OF DENTAL RESEARCH NIDR Research Digest FEBRUARY 1996 NIDR Awards Four Grants to Support Regional Research Centers in Minority Oral Health The NIDR has announced the Each of the new Regional Re¬ All four RRCMOHs were recipients award of four grants to support search Centers in Minority Oral of the NIDR Phase I RRCMOH Regional Research Centers in Health represents a partnership. grants, six of which were awarded Minority Oral Health (RRCMOH). One of the partners is either a in 1992. The purpose of these The centers will conduct research minority dental school or one that 3-year grants was to enable minor¬ on oral diseases and conditions serves a large minority population, ity dental schools or dental schools prevalent among minority popula¬ and the other has proven expertise serving large minority populations tions, and provide career develop¬ in the design and conduct of bio¬ to form the alliances and organiza¬ ment opportunities for minority medical and behavioral oral health tional structure necessary to investigators. Together with supple¬ research. NIDR has encouraged compete for 5-year RRCMOH mental funding from the National these “marriages” to promote awards. Center for Research Resources, scientific collaboration and the Northeastern Minority Orai Heaith the program will provide a total of exchange of expertise. Research Center approximately $3 million per year The four recipients of the new for the 5-year period of funding. The Northeastern Minority Oral RRCMOH awards, announced on “It has long been acknowledged Health Research Center is a September 30th, are: the University that U.S. ethnic and racial minori¬ cooperative effort between the of Medicine and Dentistry of New ties have borne a disproportionate University of Medicine and Den¬ Jersey and the University of Con¬ share of diseases and mortality tistry of New Jersey- New Jersey necticut School of Dental Medicine, compared to their Caucasian Dental School and the University of which have allied to form the counterparts,” said NIDR Director Connecticut School of Dental Northeastern Minority Oral Health Harold Slavkin. “More distressing Medicine. Oral pathologists at the Research Center; the University of is the fact that a great many New Jersey Dental School each California at Los Angeles (UCLA) women and children are affected. year see several hundred cases of School of Dentistry and the Charles Funding of these Regional Re¬ oral cancer in minorities, and R. Drew University of Medicine and search Centers in Minority Oral several hundred cases of HIV- Science; New York University Health underscores our commit¬ infected minority children. By College of Dentistry and Forsyth ment to better serve minority teaming up with the University of Dental Center, which have allied to populations by conducting research Connecticut, they are expanding form the Northeast Regional Center on specific oral health problems their research expertise, particu¬ for Minority Oral Health; and they face, by providing prevention, larly in the areas of epidemiology Meharry Medical College and the early diagnosis, and treatment, and and biostatistics. The North¬ University of Alabama in Birming¬ by learning more about the behav¬ eastern Minority Oral Health Re¬ ham. Two of the participating ioral, social, and cultural factors search Center will implement four institutions—Meharry Medical that come into play in acceleration major projects, which include: the College and the Charles R. Drew of disease and in determining who investigation of intervention strate¬ University of Medicine and will seek oral health care. At the gies to prevent dental caries— Science—are receiving support for same time, our aim is to provide especially severe infant caries— career development opportunities minority investigators with the among indigent minority children; for minority faculty through the opportunity to participate in NIH- the characterization and evaluation Research Centers and Minority NIDR funded biomedical and of the prevalence and causes of Institutions Program that is behavioral research, with the dental caries, periodontal diseases, sponsored by the National Center ultimate goal of increasing their for Research Resources. numbers in oral health research.” (continued on page 2) (continued from page 1) clinical facilities that serve large collect data concerning oral health and oral lesions in HIV-infected numbers of minorities in the Los care awareness among various minority children, as well as improv¬ Angeles area. The RRCMOH will ethnic groups that will be used to ing access to dental care for these undertake three core research develop a behavioral science patients; determination of whether projects. One is an evaluation of research project. The center is also a genetic basis exists, and is orofacial trauma treatment proto¬ strengthening the role of minority accountable for, the difference in cols at the Martin Luther King, Jr./ investigators in research projects, the incidence of oral and pharyn¬ Charles R. Drew Medical Center and providing minority faculty and geal cancer in minority and majority (KDMC). Orofacial trauma dispro¬ students at NYUCD with career populations; and determination of portionately affects minorities. The development opportunities in basic why minority populations—and KDMC alone treats about 400 and clinical research. Efforts are African-Americans in particular— orofacial trauma patients per under way to recruit minority under¬ have a greater reluctance to be¬ month; most are victims of vio¬ graduates into clinical dentistry and come subjects in biomedical lence. Currently, there is a lack of oral health research aimed at research studies. The center also consensus about surgical protocols meeting the needs of minorities. will develop the ability of minority for these patients, and little evi¬ Meharry Medical College/ faculty to investigate the oral health dence of their effectiveness. The University of Alabama problems afflicting minorities, and second research project will de¬ further cultivate research design, velop measures for investigating Meharry Medical College and the data management, and analysis the oral health status of African- University of Alabama in Birming¬ capabilities at the New Jersey American and Hispanic popula¬ ham have formed an alliance to Dental School. tions, and compare their oral health conduct research on connective status to their general health status. tissues and oral microbiology and The University of California at Los Finally, researchers will conduct an increase the number of minority Angeles (UCLA) School of ethnographic study looking at the dentists engaged in oral health Dentistry and the Charles R. Drew influence of cultural beliefs on the research. Faculty development University of Medicine and utilization of oral health care ser¬ opportunities are offered for Science vices by minority groups. minority dentists in a research The UCLA/Drew Minority Oral project on the epidemiology of oral Health Research Center has two The Northeast Regional Center for flora. Other plans call for the Minority Oral Health objectives: to identify and study the establishment of a core oral micro¬ oral health status of minority groups The New York University College of biology laboratory at Meharry, and (with a special focus on the relation¬ Dentistry (NYUCD), which serves a a Center Development Core that ship between oral and general large minority population, has com¬ includes a shared administrative health), and to create minority re¬ bined with the research intensive infrastructure for minority oral search career development oppor¬ Forsyth Dental Center in Boston, to health research. The schools will tunities for faculty that will enable form the Northeast Regional Center enhance minority participation in them to participate in collaborative for Minority Oral Health. Their oral health research by having or independent research projects. research focus includes periodontal minority investigators conduct pilot projects designed to generate risk assessment, diagnosis, and UCLA serves as the administrative competitive applications for extra¬ therapy; microbiology; saliva; center of the RRCMOH. Most of mural support. These research dental plaque in relation to caries the research will take place at projects will focus on oral health incidence and calculus formation; extramural sites, including Drew problems affecting African-Ameri¬ and oral cancer. The center will Medical Center and its associated can children and adults. Children Risk injuries if they are not wearing Reports. “Even though protective Orofacial Trauma protective face and mouth gear on devices for the face and mouth the playing field. The reminder have been around for decades and from Spotty Use of comes after the release of the first have been shown to prevent injury, Head and Mouth Gear national data that shows children we found that their use is spotty do not consistently wear mouth¬ and varied except in football,” said During Sports guards and headgear during NIDR’s Ruth Nowjack-Raymer, organized sports. The information RDH, MPH, the report’s lead author. Dental experts are reminding was contained in a paper by NIDR The findings further suggest that parents that children risk broken researchers, published in the although there are differences in teeth and other dental and facial current issue of Public Health use of protective equipment by race, grade level, and socioeco¬ poverty level wore headgear less Need for Rules and Education nomic status, the differences are often than their more affluent peers. Based on the findings, the authors not consistent across all sports and Mouthguard use in baseball dif¬ say that enforcing rules and regula¬ are therefore not predictive of use. fered by race, with African Ameri¬ tions already on the books could Injuries to the face and mouth can youngsters wearing protective help decrease sports injuries. In include facial bone fractures, bro¬ mouthguards more often than white football, where rules are enforced, ken and knocked out teeth, jaw children. High school students kids are more likely to wear protec¬ joint injuries, concussion, blinding were more likely to wear mouth¬ tive equipment than in baseball, eye injuries, permanent brain injury, guards than kids in elementary where not all teams or leagues and in rare cases, trauma that can school during baseball or softball. require use of safety equipment or result in death. Experts have not de¬ Almost 5 million youngsters play only selected player positions are termined exactly how many sports- soccer, the second most popular covered by rules. During soccer, a related orofacial injuries occur each sport among school-aged children, sport in which rules for wearing year, but it is estimated that almost according to the survey. Only 4 protective mouthguards are virtually one-third of all dental injuries are percent of soccer players wore nonexistent, children are much less due to sports-related accidents. headgear and 7 percent wore likely to wear them than youngsters mouthguards all or most of the Survey Results playing football or baseball. time. Mouthguards were worn The data on children and protective more often by high school athletes The researchers also suggested gear were extracted from the 1991 than by elementary schoolchildren advising parents and coaches of National Health Interview Survey playing soccer. the potential for injury during sports (NHIS) conducted by the National and the importance of head and In football, the third most popular Center for Health Statistics. NIDR mouth protection. Educating sport played by youngsters, nearly researchers analyzed the answers coaches is particularly important, three-fourths of children wore of parents or guardians of 9,630 Nowjack-Raymer said, since protective headgear and mouth¬ children aged 7 to 17 responding to research has shown that they guards all or most of the time. “Part questions about their children and greatly influence the behavior of of the reason for the use of protec¬ sports. Data on the sample popula¬ their student-athletes. tive equipment in football is rules tion were used to estimate how established in the early 1960s Another consideration in attempting many of the approximately 38 million requiring use of mouthguards and to increase the use of protective school-aged children in the U.S. headgear,” said Nowjack-Raymer. gear is product design. Mouthguards, play certain sports and whether the “Before that time, half of all football for example, must be engineered to youngsters wear protective head- injuries were to the mouth and face. be comfortable, functional, and able gear and mouthguards. Included in Now, facial and dental injuries to accommodate growing children’s the survey were questions about account for less than 2 percent mouths and orthodontic appliances, baseball and softball, soccer, foot¬ of injuries in football.” the researchers noted. ball, field or ice hockey, wrestling, lacrosse, rugby, boxing, and karate High school players wore both The NIDR paper, “Use of Mouth¬ or judo. headgear and mouthguards more guards and Headgear in Organized often than younger players during Sports by School-aged Children,” An estimated 14 million schoolchil¬ football. Youngsters who lived appears in the January-February dren play at least one of the listed above the poverty level and those issue of Public Health Reports. organized sports, with over one- whose parents had more education fourth of that group involved in two were more likely than other children or more sports activities, according to wear headgear. —Mary Daum to the authors. Baseball and soft- ball are the most popular organized NIDR Issues Request for Applications (RFA) on children’s sports in the U.S. The the Underlying Mechanisms of Oral researchers reported that almost a quarter of school-aged children play Complications of HIV Infection some form of the national pastime. The NIDR is seeking applications plans to allocate up to $2 million in Differences Among Sports for research projects on the mech¬ FY 96 to support at least Among the youngsters who play anisms underlying oral manifesta¬ eight awards. baseball or softball, 35 percent tions of HIV infection and the The goal of this RFA is to encour¬ wear headgear and 7 percent wear development of strategies for age basic research into the under- mouthguards all or most of the preventing and treating HIV-related time. Children at or below the oral problems. The Institute (continued on page 4) (continuedfrompageS) grants management staff of the Dr. Linda Thomas lying molecular and genetic mecha¬ NIDR Division of Extramural Re¬ Named Director of nisms that promote the develop¬ search to ensure that their research ment of oral complications associ¬ project objectives, structure, and NIDR's Craniofacial ated with HIV infection and AIDS. budget format are acceptable. Development and The RFA also encourages the I Review Considerations Disorders Program development of state-of-the-art methods to manage these oral Major factors that will be considered pathologies. A behavioral compo¬ in evaluating applications include Dr. Linda nent to the RFA will assist in the scientific merit of the proposed Thomas has understanding the role of lifestyle research project, the qualifications joined the changes in preventing and reducing and research experience of the Division of oral complications. principal investigator and staff, the Extramural justification for requested resources, Research as Research Needs and the ability to recruit individuals director of the While the NIDR currently supports from appropriate study populations Craniofacial research projects to identify and (i.e. women, subpopulations of Development treat the oral pathologies associ¬ minorities, and disabled individuals). and Disorders ated with HIV infection and AIDS, Applicants may request up to five Program. She will oversee the additional research is needed in years of support. The earliest research portfolio on craniofacial several areas. Further studies are anticipated date of award is development and related disorders required to characterize the genes September 30, 1996. that includes areas such as bone and protein structures of inhibitory formation and remodeling; genetic Further Information salivary proteins; to elucidate the syndromes with orofacial manifes¬ molecular mechanisms by which Written and telephone inquiries tations; gene regulation; cell signal- j HIV or HIV-associated immunosup¬ regarding this RFA are encour¬ ling and migration; treatment of I pression affects the phenotypic aged. For further information, trauma; and the healing process. variability and reactivation of fungi, contact: Dr. Eleni Kousvelari Prior to her appointment, she was a bacteria, and viruses; to define the Division of Extramural Research j biologist in the Laboratory of mechanisms of retrovirus infection National Institute of Dental Research i Developmental Biology (LDB) in in exocrine tissues; to delineate the Natcher Building, Room 4AN-18A j NIDR's Division of Intramural mechanisms of oral genetic factors Bethesda, MD 20892-6402 Research and a special assistant to that mediate resistance or sensitiv¬ Telephone: (301) 594-2427 the scientific director. ity to infection and influence dis¬ FAX: (301) 480-8318 ! Dr. Thomas is known for her work ease progression; to investigate Email: kousvelari(5)de45.nidr.nih.gov on craniofacial development and oral mucosal immunity and HIV the role of neural crest cells and is infection, particularly the role of credited with discovering the cytokines in the deregulation of phenomenon of contact-stimulated SIgA production and transport; and cell migration while working in LDB. to develop and evaluate behavioral and educational strategies that will Her address at the NIDR is: enhance early detection and pre¬ Dr. Linda Thomas, Director, vention of the oral manifestations Craniofacial Development and of HIV infection. Disorders Program, Division of Extramural Research, Application Procedures Natcher Building, Room 4AN24J, Prospective applicants should 45 Center Drive MSC 6402, submit letters of intent to the NIDR Bethesda, MD 20892-6402. by March 26, 1996. Applications Telephone: 301/594-5594; are due April 26, 1996. Interested FAX: 301/480-8314; applicants are encouraged to i E-mail: [email protected]. communicate with the program and The NIDR Research Digest is published periodically by the National Institute of Dental Research, Its purpose is to communicate NIDR research findings and other activities of interest to those working in the field of dental research. Requests for additional information on NIDR or its programs may be addressed to: NIDR, Public Information and Reports Branch, Building 31, Room 2C35, 31 Center Dr. MSC 2290, Bethesda, MD 20892-2290. Telephone (301) 496-4261.