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Asociación entre el número de dientes y la tasa de mortalidad por cualquier causa en el estudio de cohorte MASHAD
Sara Saffar Soflaei1,2, Reza Ekrad-Ferezghi2, Behnood Najjari3
1Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
Journal of dental research, dental clinics, dental prospects
|August 22, 2025
Resumen
El número de dientes es un predictor significativo de la mortalidad por todas las causas, incluso después de tener en cuenta la edad y otros factores. El mantenimiento de la salud bucal puede ser crucial para la longevidad, especialmente en adultos mayores.
Área de la Ciencia:
- Salud pública
- Gerontología
- Medicina dental
Sus antecedentes:
- Existen hallazgos inconsistentes con respecto a la asociación entre el recuento de dientes y la mortalidad por todas las causas.
- Los factores de confusión, especialmente la edad, complican el análisis de esta relación.
- Este estudio investiga la relación entre el número de dientes y la mortalidad en Irán.
Objetivo del estudio:
- Para determinar si el número de dientes predice la mortalidad por todas las causas.
- Evaluar el impacto de las variables de confusión en esta asociación.
- Proporcionar información sobre el papel de la salud bucal en la longevidad en general.
Principales métodos:
- Se utilizaron los datos del estudio Mashhad Stroke and Heart Atherosclerotic Disorder (MASHAD).
- Se reclutaron 395 participantes para exámenes dentales y se recogieron las características de referencia.
- Se utilizó regresión logística multivariada para ajustar los factores de confusión durante un período de seguimiento de 10 años.
Principales resultados:
- El número de dientes se correlacionó significativamente con la edad, el estado civil y la educación.
- Inicialmente, sólo la edad se relacionó con la mortalidad.
- Después de ajustar por factores de confusión, el número de dientes predijo de forma independiente la mortalidad por todas las causas (OR=0,926, P=0,003).
Conclusiones:
- El número de dientes sirve como un predictor independiente de la mortalidad por todas las causas.
- Esta asociación es particularmente pronunciada en las personas mayores.
- Los hallazgos resaltan la importancia de la salud bucal para la supervivencia a largo plazo.
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