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:: دوره 9، شماره 9 - ( رادیولوژی دهان، فک و صورت 1390 ) ::
جلد 9 شماره 9 صفحات 0-0 برگشت به فهرست نسخه ها
Influence of cone beam CT on treatment plan before surgical intervention of mandibular third molars and impact of radiographic factors on deciding on coronectomy vs surgical removal
چکیده:   (1773 مشاهده)

 Objectives To assess the influence of cone beam CT (CBCT) on treatment plan before surgical intervention of mandibular third molars and to identify radiographic factors with an impact on deciding on coronectomy.

 Methods 186 mandibular third molars with an indication for surgical intervention underwent a radiographic examination with two methods: (1) panoramic imaging in combination with stereo-scanography and (2) CBCT. After the radiographic examination a treatment plan (TP) was established: either surgical removal (Sr) or coronectomy (Co). The first TP was based on the panoramic image and stereo-scanogram, while the second TP was established after CBCT was available. Logistic regression analyses were used to identify factors predisposing for Co after CBCT.

 Results Treatment was performed according to the second TP. Agreement between the first and second TP was seen in 164 cases (88%), while the TP changed for 22 teeth (12%) after CBCT. Direct contact between the third molar and the mandibular canal had the highest impact on deciding on Co [odds ratio (OR) = 101.8, p < 0.001]. Direct contact was not a sufficient factor, however thus, lumen narrowing of the canal (OR = 38.9–147.2, p < 0.001) and canal positioned in a bending or a groove in the root complex (OR = 32.8, p = 0.016) were additional canal-related factors for deciding on Co.

 Conclusion CBCT influenced the treatment plan for 12%. Direct contact in combination with narrowing of the canal lumen and canal positioned in a bending or a groove in the root complex observed in CBCT images were significant factors for deciding on coronectomy.


 Source: DentoMaxilloFacial Radiology

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نوع مطالعه: پژوهشي | موضوع مقاله: رادیولوژی دهان، فک و صورت
دریافت: 1392/4/27 | انتشار: 1390/10/25
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Matzen L H, Christensen J, Hintze H, Schou S, Wenzel A. Influence of cone beam CT on treatment plan before surgical intervention of mandibular third molars and impact of radiographic factors on deciding on coronectomy vs surgical removal. 3 2012; 9 (9)
URL: http://idai.ir/article-1-1371-fa.html

Influence of cone beam CT on treatment plan before surgical intervention of mandibular third molars and impact of radiographic factors on deciding on coronectomy vs surgical removal. 1. 1390; 9 (9)

URL: http://idai.ir/article-1-1371-fa.html



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دوره 9، شماره 9 - ( رادیولوژی دهان، فک و صورت 1390 ) برگشت به فهرست نسخه ها
جامعه اسلامی دندانپزشکان Islamic Dental Association of IRAN

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