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Pakistan Oral and Dental Journal. 2012; 32 (2): 244-247
in English | IMEMR | ID: emr-146061

ABSTRACT

Mandibular Incisor crowding is one of the common problem faced by orthodontic patients. Many factors including skeletal discrepancy are considered responsible in the development of lower incisor crowding. The aim of the present study was to assess whether, vertical parameters such as Maxillary to Mandibular plane angle and Lower facial height play a significant role in the development of lower incisor crowding. A total 213 subjects [81 males and 132 females] were selected. Cephalogram tracings were used to determine vertical parameters such as Maxilla to Mandibular plane angle and lower Facial height and study casts were used for Lower incisor crowding. The Pearson Chi square test was used to determine whether vertical parameters play a significant part in the development of Lower incisor crowing or not. Hyper-divergent cases showed the highest percentage of Lower Incisor crowding [92.6%] followed by Normo and Hypo-divergent profiles. The Pearson Chi-Square test revealed that Vertical parameters play a significant role in the development of Lower incisor crowding [p value = 0.006] and such parameters must be kept in mind while formulating treatment strategies for patients with such complaints


Subject(s)
Humans , Male , Female , Dental Arch/pathology , Vertical Dimension , Chi-Square Distribution , Age Distribution , Dentition, Mixed , Malocclusion/etiology
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