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Table 1 Morphometric, densitometric and mechanical properties of mandibular deciduous incisors, canine and second premolar in 5 month old sheep

From: Morphometric, densitometric and mechanical properties of mandibular deciduous teeth in 5-month-old Polish Merino sheep

Investigated parameter First incisor Second incisor Third incisor Fourth incisor (canine) Second premolar
Weight (mg) 369a ± 10 290b ± 6 199c ± 4 150d ± 3 783e ± 38
Length (mm) 28.00a ± 0.48 25.57b ± 0.48 22.28c ± 0.18 19.00d ± 0.31 19.57d ± 0.37
Total tooth volume (cm3) 0.249a ± 0.006 0.203b ± 0.004 0.147c ± 0.003 0.113d ± 0.002 0.491e ± 0.023
Total enamel volume (mm3) 17.82a ± 1.02 17.88a ± 0.79 12.69b ± 0.54 10.62b ± 0.37 40.77c ± 3.35
Total dentine volume (mm3) 161.02a ± 5.09 124.16b ± 3.72 84.31c ± 2.66 63.15c ± 2.24 329.88d ± 17.73
Mean volumetric tooth mineral density (g/cm3) 3.054 ± 0.037 2.982 ± 0.041 2.947 ± 0.041 2.959 ± 0.043 2.973 ± 0.028
Volumetric enamel mineral density (μg/mm3) 2.402 ± 0.00004 2.467 ± 0.06546 2.402 ± 0.00003 2.402 ± 0.00004 2.402 ± 0.00005
Volumetric dentine mineral density (μg/mm3) 2.154a ± 0.031 2.044b ± 0.019 2.048b ± 0.025 2.096ab ± 0.057 2.068ab ± 0.016
Maximum elastic strength (N) 274a ± 15 212b ± 13 169c ± 17 111d ± 17 ----
Ultimate force (N) 350a ± 22 266b ± 18 201c ± 15 158d ± 15 957e ± 83
  1. Values are means ± SEM.
  2. a-eMean values that do not share common superscript letter in the same row differ significantly for P < 0.05.
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