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Families of orofacial clefting not at higher risk for dental anomalies

A study of children with nonsyndromic orofacial clefts and their relatives found that affected families do not have a significantly higher genetic risk for dental anomalies. Instead, the prevalence of dental anomalies is primarily due to physical consequences of the cleft and surgical interventions.

Long-term care seniors at high risk of head injuries

A study by Simon Fraser University researchers found nearly 40% of seniors who fall experience head impact, with linoleum or tile flooring being the most common cause. The team suggests designing safer environments, improving procedures for detecting brain injuries, and promoting strengthening exercises to reduce falls.

SourceSimon Fraser University·JournalCanadian Medical Association Journal·DateOct 7, 2013

IADR/AADR published study estimates high prevalence of periodontis in US adults

A recent study published in the Journal of Dental Research estimates that approximately 47.2% of US adults have periodontitis, with higher rates among males, Mexican Americans, and those with lower education levels. The study also found significant disparities in periodontal disease prevalence across different age groups.

IADR/AADR publish proceedings from Symposium on Tissue Injury and Pulp Regeneration

A symposium on tissue injury and pulp regeneration has published proceedings that highlight the potential of dental pulp engineering for regenerating functional dentin. Researchers present data on stem cells, scaffolds, and differentiation factors, demonstrating proof of principle for pulp/dentin regeneration.

Sequencing the turkey genome

The international consortium's completion of the turkey genome sequence promises to provide new insights into avian genetics and improve turkey quality. The sequence will enable scientists to better understand specific genes important in meat yield, health, and disease resistance.

SourcePLOS·JournalPLOS Biology·DateSep 7, 2010

Researchers study relationship of oral cancers and periodontal disease

A recent study suggests that Porphyromonas gingivalis (P.g.) infection may contribute to the chronicity of inflammatory disorders leading to oral cancers. The research found that P.g. induces expression of immune-regulating receptors B7-H1 and B7-DC in squamous cell carcinoma cells, facilitating immune evasion.