[Breast feeding and systemic blood pressure in infants].

Introduction: Blood pressure levels in childhood influence these levels in adulthood, and breastfeeding has been considered such as a cardioprotective. We evaluated the association between blood pressure levels and feeding type in a group of infants.

Material And Methods: We conducted a comparative cross-sectional study in term infants with appropriate weight at birth, to compare blood pressure levels in those children with exclusively breastfeeding, mixed-feeding and formula feeding.

[Agenesis in permanent dentition].

Objective: This study was aimed at determining the prevalence of dental agenesis in permanent dentition.

Materials And Methods: A group of 112 patients who came to UNAM's Dental School imaging department from January to July 2008 were included in the study. The patients had to be over 13 years old, having had no dental extractions or genetic syndromes.