Research Article

Cone Beam Computed Tomographic Analysis of the Shape, Height, and Location of the Mandibular Lingula in a Population of Children

Table 3

Distance of lingula from various ramal landmarks of 269 mandibula; distance from distal side of the alveolar socket of mandibular permanent first molar tooth and lingula ratio with their comparison between gender sides.

 SideGenderMinimum (mm)Maximum (mm)Mean (mm)Std. deviation valueTotal
 Mean (mm)Std. deviation

Distance from anterior border of ramus x-right110,119,413,62,50,1313,32,3
0916,112,71,9
x-left110,219,514,12,10,054
09,318,912,82,5

Distance from posterior border of ramusy1-right17,513,210,91,6 0,000*10,21,6
06,112,19,21,7
y1-left18,713,811,31,50,015*
07,612,810,21,5
y2-right14,210,77,02,30,019*6,32,1
02,69,95,61,9
y2-left13,211,27,22,30,026*
02,410,65,81,9

Distance from mandibular notchz1-right18,218,212,62,50,0611,42,5
0717,611,22,5
z1-left17,216,212,42,50,014*
06,315,710,62,7
z2-right113,224,417,93,00,041*16,7 3,4
08,223,615,74,3
z2-left18,422,517,83,20,005*
06,622,515,03,7

Distance from mandibular basew1-right119,928,123,62,20,039*23,13,2
011,925,921,74,0
w1-left114,727,823,93,00,56
011,926,323,53,0
w2-right112,523,818,32,80,2917,93,0
012,224,317,43,2
w2-left111,923,418,22,90,71
012,722,817,93,0

Distance from distal side of the alveolar socket of 1st mandibular molar tootht-right118,131,124,93,80,2324,73,7
016,529,423,73,4
t-left116,13225,54,20,41
017,930,924,73,5

Height of the lingula
h1-right139,75,61,40,027*5,31,6
02,38,34,71,5
h1-left13,69,66,31,60,000*
02,78,84,71,5
h2-right11,35,12,10,50,742,01,2
00,35,11,91,5
h2-left10,24,72,21,10,2
00,24,61,61,3

Lingula ratio: x/x + y1 (%)right10,450,590,540,040,480,550.047
00,510,630,580,05
left
10,440,610,530,050,52
00,490,620,550,048

Groups: 1: boy, 0: girl.
*Statistically significance.