EVALUATION OF RAPID MAXILLARY EXPANSION ON CONDUCTIVE HEARING LOSS

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VAHID DASTDJERDI E.; HEYDARI A.

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Journal: Journal of Dental School Year:2003 | Volume:20 | Issue:4 Page(s): 666-676

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Title

EVALUATION OF RAPID MAXILLARY EXPANSION ON CONDUCTIVE HEARING LOSS

Author(s)

VAHID DASTDJERDI E. | HEYDARI A. | Issue Writer Certificate

Keywords

CONDUCTIVE HEARING LOSSQ4

RAPID MAXILLARY EXPANSION.Q4

Abstract

Aim: One of the main problems concerning society health is CONDUCTIVE HEARING LOSS which become more important in school age children. This study conducted for the purpose of the evaluation of rapid maxillary expansionon CONDUCTIVE HEARING LOSS. Material and Methods: A total of 10 patient (6 female and 4 male) with the age of 13.98±2.25 years old and with bilateral posterior skeletal cross bite were selected for the study. The selected patients were tested with Pure tone test 3 times, before RME, after the opening of midpalatal suture and after fixed retention. All RME apparatus were manufactured in a laboratory activating by an orthodontist. Changes in pure tone thresholds for bone condition and air condition and also the air bone gap measurements and Eustachian tube function were noted. The paired t-test was used in order to identify significant differences between different records. Results: The study showed that there was statistically significant difference between the first and second records and first and third records for pure tone threshold (bone condition, air condition and air bone - gap), su-ggesting the notable improvement of both ears. There was no significant difference between second and third records which showed the continuos effect of RME. 8 cases (80 %) were suffering from type AD tympanic disorder before the treatment which changed to type AN. The other 2 cases had this disorder before and after the treatment without any change. Conclusion: The study showed the stable effect ofRME on pure tone threshold (air and bone conditions) and on air bone gap in all cases.

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APA: Copy

VAHID DASTDJERDI, E., & HEYDARI, A.. (2003). EVALUATION OF RAPID MAXILLARY EXPANSION ON CONDUCTIVE HEARING LOSS. JOURNAL OF DENTAL SCHOOL SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCE, 20(4), 666-676. SID. https://sid.ir/paper/22110/en

Vancouver: Copy

VAHID DASTDJERDI E., HEYDARI A.. EVALUATION OF RAPID MAXILLARY EXPANSION ON CONDUCTIVE HEARING LOSS. JOURNAL OF DENTAL SCHOOL SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCE[Internet]. 2003;20(4):666-676. Available from: https://sid.ir/paper/22110/en

IEEE: Copy

E. VAHID DASTDJERDI, and A. HEYDARI, “EVALUATION OF RAPID MAXILLARY EXPANSION ON CONDUCTIVE HEARING LOSS,” JOURNAL OF DENTAL SCHOOL SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCE, vol. 20, no. 4, pp. 666–676, 2003, [Online]. Available: https://sid.ir/paper/22110/en

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