الفهرس 
IntroductionOnly 14 pages are availabe for public view
 |  | from | 65 |  |  |
| | | from | 65 | | |
Abstract
This study was conducted on 83 infants attending the outpatient clinic of Minia University Hospital for children and obstetrics from August 2011 to October 2011. Age of these infants ranged from 6-15 months.
These infants were classified into two groups:
Group 1: infants with normal teeth eruption (68 infants).
Group 2: infants with delayed teeth eruption (15 infants).
All mothers of studied infants had run structured questionnaire about their infants (Name, Age, Number of erupted teeth, Time of 1st eruption, Complain, Manifestations of teething, Gestational age at birth, Birth weight, Nutritional history, Developmental and Family history). Also, studied infants underwent general and oral examination.
The mean of ages of studied infants was 10.45±2.87 The mean of their birth weight was 2.7±0.6. 54% of them were females. Most of them (81.9%) were fullterm. Regarding feeding status, 62.6% of the studied infants were absolute breast fed. (81.9%) of studied infants had normal teeth eruption while 18.1% had delayed teeth eruption.60% of studied cases with delayed teeth eruption were females and 52.9% of studied cases with normal teeth eruption were males but 40% of studied cases with delayed teething were males.
There was significant difference in age of first teeth eruption in relation to feeding status where (P = 0.004). 70.6% of cases with normal teeth eruption were absolute breast fed. There was highly significant difference in age of first teeth eruption in relation to age at delivery where (P= 0.001). 53.3% of studied infants with delayed teeth eruption were preterm. Also, there was highly significant difference in age of first teeth eruption of the studied cases in relation to mental development where (P= 0.001). 60% of infants with delayed teeth eruption had delayed mental development.
There was highly significant difference in age of first teeth eruption in relation to motor development where (P= 0.001). Most of infants with delayed teeth eruption (80%) had delayed motor development. Also, there was significant difference in age of first teeth eruption in relation to signs of rickets where (P= 0.001). 86.7% of infants with delayed teeth eruption had signs of rickets.
There was highly significant difference in age of teeth eruption in relation to weight percentile, length percentile and birth weight where (P= 0.001) for each of them. Infants with delayed teeth eruption had lower weight percentile, length percentile and birth weight than those with normal eruption.
Fever and diarrhea were the most common clinical manifestations as they represented (88%) and (84%) respectively followed by biting and drooling as they represented (50%) and (40%) respectively. On the other hand, loss of weight was the least common presenting symptom (6%).