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OP 46<br />

Title<br />

THE STuDy OF PERI IMPLANT bONE CHANGES uSING DIGITAL RADIOGRAPHy<br />

aBSTracTS OP 4<br />

Authors<br />

N. KHALIGHINEJAD 1 , M. SHEIKHI 2 , M. DAKHILALIAN 3 , N. JAVADIAN 4 , H. bADRIAN 1 ,<br />

H. GOROHI 1<br />

Affiliations<br />

1 Student of dentistry, ISFAHAN, IRAN, 2 Associate professor, Department of Oral Radiology,<br />

ISFAHAN, IRAN, 3 Assistant professor, Department of prosthodontics, ISFAHAN, IRAN, 4 DEN-<br />

TIST, ISFAHAN, IRAN, 5 1, , IRAN, 6 1, , IRAN<br />

Body<br />

objectives: Today, the capability of clinicians to evaluate the rate and the pattern of periimplant<br />

bone changes needs to be improved <strong>as</strong> peri-implant bone changes dramatically affect<br />

the success rate of implants. The purpose of the present study is to evaluate the peri-implant<br />

bone changes using digital radiography.<br />

Method and Materials:The present study is an analytic- descriptive study which w<strong>as</strong> conducted<br />

on the 25 patients who referred to the implant department of Isfahan school of Dentistry.<br />

Some patient randomly selected using simple random sampling. During the study, peri-implant<br />

bone density and alveolar crest resorption were studied by digital radiography for each patient<br />

in three periods: soon after implant insertion, two months and four months after implant<br />

placement. In all of these three periods, parallel radiographs and XCP film holder were used.<br />

At the end of these periods, three images, taken from each patient compared with each other<br />

to evaluate the bone density changes. Data analyzed with SPSS statistical package and analyses<br />

variant test. (α=0.05)<br />

Results:Alveolar bone resorption showed a statistically meaningful difference in three periods<br />

(P value =0.033) but t<strong>here</strong> w<strong>as</strong> no significant difference between three periods regarding the<br />

density changes (P value=0.601).<br />

Conclusion:According to the results of the present study, digital radiography can be used <strong>as</strong> an<br />

accurate and sensitive devise to analyze changes in peri-implant bone which can help<br />

clinicians to evaluate the prognosis of prosthetic treatments.<br />

Keywords<br />

Dental implant, Dental Digital Radiography, densitometry<br />

57

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