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.

ā€‰SideGenderMinimum (mm)Maximum (mm)Mean (mm)Std. deviation valueTotal
ā€‰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.