Effect of surgically assisted rapid maxillary expansion on the dimension of the nasal air way and nasal air resistance

China Journal of Oral and Maxillofacial Surgery ›› 2015, Vol. 13 ›› Issue (2): 147-150.

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Effect of surgically assisted rapid maxillary expansion on the dimension of the nasal air way and nasal air resistance

NIE Ping, TAO Li, TANG Yan-mei, ZHAO Yan-hui, WANG Xiao-ling, ZHU Min

Department of Oral and Craniomaxillofacial Science, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology. Shanghai 200011, China

Received:2014-04-14 Revised:2014-06-26 Online:2015-03-20 Published:2015-04-23
Supported by:
Supported by Shanghai University Young Teacher Training Program (shjdy029) and Shanghai Health and Family Planning Commission Project (20144Y0124)

Abstract

Abstract: PURPOSE: To evaluate the effect of surgically assisted rapid maxillary expansion (SARME) on the volume of the nasal cavity and nasal air resistance in adults. METHODS: The sample comprised 16 patients with maxillary transverse deficiency. They had unilateral or bilateral posterior crossbites. Spiral CT scans and acoustic rhinometry were taken to evaluate the changes of nasal cavity width, nasal cavity volume, minimal cross-sectional area and nasal airway resistance before and 3 months after SARME. The parameters were analyzed with SPSS16.0 software package for paired t test. RESULTS: No statistically significant differences were found in the upper or middle part of the nasal cavity widths (P>0.05), but there was a significant increase in nasal floor width (P<0.01). And there were significant increases in nasal volume and minimal cross-sectional area (P<0.05), and decrease in nasal resistance (P<0.01). CONCLUSIONS: SARME is likely to improve the dimension of the nasal air way in adults, and decrease the nasal resistance.

Key words: Rapid maxillary expansion, Nasal air way, Nasal air resistance

CLC Number:

R782.2

NIE Ping, TAO Li, TANG Yan-mei, ZHAO Yan-hui, WANG Xiao-ling, ZHU Min. Effect of surgically assisted rapid maxillary expansion on the dimension of the nasal air way and nasal air resistance[J]. China Journal of Oral and Maxillofacial Surgery, 2015, 13(2): 147-150.

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Effect of surgically assisted rapid maxillary expansion on the dimension of the nasal air way and nasal air resistance

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