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Soft-tissue profile characteristics in children with beta thalassaemia major
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Amini, Fariborz, Borzabadi-Farahani, Ali, Mashayekhi, Ziba, Pousti, Maryam and Amirtouri, Maryam (2013) Soft-tissue profile characteristics in children with beta thalassaemia major. Acta Odontologica Scandinavica, Volume 71 (Number 5). pp. 1071-1076. doi:10.3109/00016357.2012.741707 ISSN 0001-6357.
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Official URL: http://dx.doi.org/10.3109/00016357.2012.741707
Abstract
Objectives: To compare soft-tissue profile characteristics of patients with beta thalassaemia major (BTM) with a group of non-thalasseamic subjects with a similar skeletal pattern. Subjects and methods. The material for this cross-sectional retrospective study consisted of lateral cephalograms of 40 BTM patients (23 males, 17 females, aged 9.5 ± 0.97 years). These were compared with lateral cephalograms of a control group of 40 non-thalasseamic subjects (23 males, 17 females, aged 11.0 ± 0.87 years) who had similarities with the study group in the following cephalometric variables: SNA (°), SNB (°), ANB (°) and anterior face height (N-Me). Overall, 22 linear and angular soft-tissue cephalometric variables were measured. Results. Horizontal soft-tissue measurements, except for the thickness at B point (B-B'), were larger relative to non-thalasseamic subjects; particularly showing a statistically larger mean values for the following variables: soft-tissue thickness at Pronasale (ANS-Prn, p < 0.01), Subnasale (ANS-Sn, p < 0.01), point A (A-A′, p < 0.01) and at the Pogonion point (Pg-Pg′, p < 0.05). Compared to controls, BTM patients showed significantly larger (p < 0.05) mean values for the anterior nose length (Prn-Prn', p < 0.01) and lower nose height (Prn-Sn, p < 0.05). Variables that represented the lip profile, including the nasolabial angle, did not significantly differ from controls. The average values for the mid-face (N-ANS), posterior face height (S-Go) and the inclination of maxillary incisors to the SN plane were significantly larger (p < 0.01) in BTM patients. Conclusion: The soft-tissue profile differences in BTM patients may have implications for their future orthodontic or orthognathic management. Future studies can investigate the 3D soft-tissue changes and the possible contributing factors.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School | ||||
Journal or Publication Title: | Acta Odontologica Scandinavica | ||||
Publisher: | Informa Healthcare | ||||
ISSN: | 0001-6357 | ||||
Official Date: | September 2013 | ||||
Dates: |
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Volume: | Volume 71 | ||||
Number: | Number 5 | ||||
Page Range: | pp. 1071-1076 | ||||
DOI: | 10.3109/00016357.2012.741707 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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