Please activate JavaScript!
Please install Adobe Flash Player, click here for download
ePaper created 2018-02-14, 12:02:22 | version 1.38.0
P r o x i m i t y o f m a n d i b u l a r f i r s t a n d s e c o n d m o l a r s t o I A C No. Author Country Imaging modality Method 1 Hiremath et al.6 India 3-D (CS 9300, Kodak CBCT) CBCT scans of 40 men and 40 women Table 1 Result (distance in mm) Distance from IAN to mesial apex of 1st molar: 1.46–3.23 mm (men); 0.93–8.03 mm (women) Average distance for 2nd molar: 1.31–14.7 mm (men); 0.00–6.91 mm (women) 2 Kawashima et al.1 U.S. Chong et al.2 U.K. 3-D (i-CAT, Imaging Sciences International) at 120 kVp and 4–7 mA with 14-bit gray scale resolution and voxel size of 0.125–0.300 mm 3-D (PaX-Reve3D, VATECH, Ewoo Technology) operating at 3.5 mA and 85 kV; field of view for mandibular molar region was 5 × 9 × 5 cm and voxel size was 0.08 mm. Bürklein et al.7 Germany 3-D (Planmeca ProMax 3D, Planmeca) 5 Tilotta-Yasukawa et al.10 France 2-D 3 4 6 7 68 men, 87 women aged 20 years and older See Table 1 in study 272 mandibular 2nd molar roots evaluated from 134 CBCT scans Distance between anatomical apex and IAN was < 3 mm 627 CBCT scans of a German population (58.2% women, 41.8% men); mean age of 51 years Distance from IAN/IAC to 1st molar was 4.9 mm, to 2nd molar was 3.1 mm and to 3rd molar was 2.6 mm 2-D radiographic study of 35 out of 40 cases Distance of 2nd and 3rd molars from mandibular canal was < 1 mm Horizontal distance at level of apex and IAC area at 2nd molar: 4 mm; greater than that of 1st molar Distance from IAN to 1st molar: men: 5.1 mm (mesial), 4.8 mm (distal); women: 4.4 mm (mesial), approx. 4.1 mm (distal) See Table 1 in study CBCT scans of 100 male and female patients aged 15–65 years 200 patients (1) Known age: 30–69 years; (2) Known sex: 25 men and 25 women were collected for each 10-year age bin (3) CBCT scans covered mandibular 1st molar and IAN Al-Jandan et al.14 Saudi Arabia 3-D CBCT scans of hemimandibles Adigüzel et al.8 Turkey 3-D (i-CAT Next Generation, Imaging Sciences International) 8 Simonton et al.9 U.S. 3-D (Accuitomo 3DX Morita CBCT, J. Morita) 9 Littner et al.11 Israel 2-D 2-D radiographic study of 46 dry mandibles Mandibular canal was located 3.5–5.4 mm below apices of both 1st and 2nd molars 10 Chrcanovic et al.13 Sweden 3-D CBCT scans of 118 subjects 1st and 2nd molar distance was < 6 mm 52 Volume 3 | Issue 4/2017 Journal of Oral Science & Rehabilitation