The flush terminal plane in the primary dentition is the most predominant primary molar relation followed by mesial and distal step [5, 6,11,13-18] and similar trend was noticed in our study.
6% Unilateral flush terminal Count 37 30 67 plane with distal step % within SEX 3.
These schoolchildren presented distal step more frequently, with statistically significant differences (p < 0.
Similarly, some differences between the two sexes were observed in terms of molar relationship both right and left but with no statistically significant differences, except in the case of distal step in deciduous molar relationship.
Kabue et al9 found that the straight terminal plane of the deciduous second molars was presented in 53% of the Kenyan children, mesial step in 43% and distal step occlusion in one percent; he concluded that more than half of the children were found to have some form of malocclusion.
7% of children followed by flush terminal molar relationship in 37% and distal step in 3.
Nanda et al4 and Bishara et al16 found high percentage of children with distal step in primary dentition proceed to develop Class II molar relation.
In the determination of the occlusal relationship of both primary second molars and primary canines, the chil-dren with mesial step on one side and distal step on the other were left out of assessment.
Age###Flush Terminal Distal Step (30) Mesial Step (40) Total###P-value