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Intermaxillary tooth size discrepancy in class II patients with different vertical growth patterns

Author(s)
ABIR ARIF Lahore Medical and Dental College, House 296-DD, street 5, Phase 4, DHA, Lahore. Cell: 0321-4433398
ASMA SHAFIQUE House 314-A Upper Mall, Lahore, Cell: 03214277388
MALEEHA MUSTAFA 39 E Block E Askari 5, Lahore Cell: 03334550609
MAIRA MUBASHAR House 112-GG Block, street 11, Phase 4, DHA, Lahore Cell: 03008018255
FAIZAN HAROON Azra Naheed Medical and Dental College, House 296-DD Block, street 5, Phase 4 DHA, Lahore Cell: 0333375665
YUMNA PERVAIZ Lahore Medical and Dental College Addree:22 B 2 Zafar Road, Cantt, Lahore Cell: 03218800742
Abstract
Tooth size discrepancies have great influence on orthodontic treatment planning by determining the need for reduction (enamel stripping), increase (restorative measures), or removal (extractions) of teeth prior to finalization of occlusion. The objective of this study is to determine the inter-arch tooth size discrepancy in Class II patients with different vertical growth patterns in a tertiary-care hospital sample in Pakistan. Our observational study was carried out at the Orthodontics department, Lahore Medical & Dental College for a duration of 6 months i.e. 25th September 2019 to 24th March 2020. A total of 95 skeletal Class II patients (ANB>4) patients between age 14-25 years were selected through non-probability consecutive sampling technique. Subjects with any morphologic tooth deformity of size and shape, extensive restorations of any tooth and current active orthodontic treatment were excluded. Impres­sion of all the patients were taken and study casts made. On lateral cephalogram, vertical pattern of growth is assessed by SN-Mandible angle. Mesio-distal width measurements of (first)molar to (first) molar were recorded in both arches using a needle pointed divider. This study was conducted with subjects of 14-25 years with a mean age of 18.57 ± 3.35 years. Most of the subjects i.e. 57 (60.0%) were 14 to 20 years of age. Frequency of different vertical growth patterns in class II malocclusion patients were as follows; high angle in 35 (36.84%), low angle in 28 (29.47%) and normal angle in 32 (33.68%), whereas incidence of interarch tooth size difference in class II patients was found in 50 (52.63%) patients. However, intermaxillary tooth size discrepancy with respect to different vertical growth patterns in Class II patients was found to be insignificant suggesting that growth patterns do not affect tooth size.
Publication Details
Page(s) 129-133
DOI DOI not available
Published Journal: Pakistan Oral and Dental Journal, Volume: 42, Issue: 3, Year: 2022

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Keywords
intermaxillary tooth size discrepancy, Class II malocclusion., vertical growth patterns
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