TI : Roentgen-anatomic studies on the mental foramen

 AU : Lee SP; Ahn HK
 AD : Department of Dental Radiology, College of Dentistry, Seoul National University
 SO : The Journal of Korean Academy of Dental Radiology 1972;2(1):47-51
 ISSN :
 PY : 1972
 LA : KOREAN
 CP : KOREA

 AB : The author measured the distance from mental foramen to the occlusal plane and classified the positional frequency of mental foramen to the tooth site using topography.
 The results were obtained as follows;
 1. Of 964 mental foramen taken, the common site was in 2nd premolar region showing 64.08 per cent in right and 57.17 per cent in left site.
 2. The average distance from occlusal plane to the upper border of premolar region was 23.20mm and lower border was 25. 07mm.
 3. The positional variation of mental foramen was that 4.77 per cent were located above the apex of the nearest tooth, 50.42 per cent were located at the apex of the nearest tooth and 44.81 per cent were located below the apex of the nearest tooth.