Bad Oral Habits and Associated Malocclusion among 8-9 Years Old Children

Background Habit is defined as an automatic response to a specific situation acquired noramally as the result of repetition and learning. These oral habits maybe seen in children, adolescents and adults causing serious effect on their facial growth and dentition that is to say they may be related to malocclusion which is a condition where there is departure from the normal relation of the teeth in the same dental arch or to the teeth in the opposing arch. Aims of the study Study aimed to find the occurrence of bad oral habits among group of children and malocclusion associated with bad oral habit Materials and method The total number of sample consist of (200) boy and girl students aged (8-9) years old. (100) Of them were bad oral habits. The population from which the sample was drawn is the 2nd, 3rdand 4th class of primary school students Result The results showeddistribution according to age and gender with total males included in present study (52) while total females included (48) and distribution of bad oral habits according to gender, Total males with different types of bad oral habits higher than total females (90, 76). Higher percentage of male with nail biting habits (44.44 %) and lower percentage withTongue thrust habits (6.66 %) and higher percentage of female with nail biting habits (44.47 %) and lower percentage with Tongue thrust habits (7.89 %). And distribution of bad oral habits according to age with different number of total bad oral habits of age groups (8, 9), (79, 87) respectively. higher percentage associated with nail biting of bad oral habits in both age groups (8, 9) (48.10 %, 41.37 %) and lower percentage in both age groups (8, 9) associated with Tongue thrust (7.59 %, 6.89 %) respectively Conclusion With limitation to present study all types of bad oral habit associated with different types of malocclusion if extend to school age children with higher score associated with anterior crowding for nearly all types of oral habit