بررسی دلایل کشیدن دندان های دایمی درسال 1392 شهر شیراز

Introduction and Aims:
Tooth extraction done for any reasons has negative effect on humans psychological aspect .more ever
extraction cause disorder in mastication, atheistic and speaking. The aim of this research is to study the
relation frequency of extracting permanent with the reasons of it in dental clinics and Shiraz dental school
in 1392 in Shiraz.
Methods:
This cross-sectional study has targeted 800 patients whose 2110 teeth were removed using simple sampling
method among those referred to dental clinics in Shiraz. Information such as gender, age, educational level,
the main cause of the tooth removal (Tooth decay, periodontal disease, prostheses, orthodontics, and also
patient’s desire to do so) and type of tooth were collected. Data analysis was performed using SPSS18
software and used chi-square test and logistic regression.
Results:
Caries (25%), a combination of decay and periodontal problems (19.8 %), Patient’s request (11.2%) were
the most common causes of tooth removal. Chi-square test showed no significant correlation between the
tooth and Gender (p=0.358χ2=11.72 ). Chi-square test showed a statically significant correlation between
patients’ level of education and the tooth extraction.
Conclusion:
Based on the results, most of the teeth were extracted due to decay and a combination of decay and
periodontal problems or patients’ request considering the fact that they could be preserved which shows the
need for increasing preventive programs and further periodic examination.

*Corresponding author:
PhD Student of Shiraz Dental Professional, Shiraz University of Medical Sciences,
Shiraz, Iran.
Email: Moayedie@gmail.com