02 March 2022>: Clinical Research
A Radiographic Study of the Root-to-Crown Ratio of Natural Permanent Teeth in 81 Saudi Adults
Abdulelah Sameer Sindi 1ADEF , Fuad Al Sanabani 23ADFG , Bandar M.A. Al-Makramani 23ABCDE , Khurshid Mattoo 2ABDE* , Hafiz Adawi 2BDEG , Hosain Al-Mansour 4CDEF , Fahad M. Albakri 5BDE , Mohamed M. Al Moaleem 2BDEG , Mohamed Sobhy 2ADEF , Hatem Abdu Humadi 6BCDE , Mossab Ahmad Hamzi 6BCDE , Essa Mosa Agili 6BCDE , Shailesh Jain 7CEFDOI: 10.12659/MSM.936085
Med Sci Monit 2022; 28:e936085
Table 1 Mean root to crown ratios with respective standard deviations (SD) for permanent natural teeth from male and female subjects.
Tooth number# | Number | Mean | Mean for both genders | SD | P value (males versus females) | |
---|---|---|---|---|---|---|
11, 21 | 40 | M | 1.6790 | 1.72 | .26793 | .243 |
41 | F | 1.7534 | .30036 | |||
31, 41 | 40 | M | 1.5160 | 1.59 | .33590 | .073 |
41 | F | 1.6696 | .41982 | |||
12, 22 | 39 | M | 1.6646 | 1.72 | .30023 | .149 |
41 | F | 1.7705 | .34823 | |||
32, 42 | 40 | M | 1.5161 | 1.65 | .31035 | .002* |
41 | F | 1.7758 | .41225 | |||
13, 23 | 40 | M | 1.9319 | 1.91 | .31949 | .410 |
41 | F | 1.8798 | .23888 | |||
33, 43 | 40 | M | 1.8367 | 1.91 | .37704 | .054 |
41 | F | 1.9909 | .33052 | |||
14, 24 | 39 | M | 1.7665 | 1.82 | .32231 | .144 |
40 | F | 1.8641 | .26178 | |||
34, 44 | 39 | M | 1.7878 | 1.92 | .31143 | .001* |
40 | F | 2.0493 | .35811 | |||
15, 25 | 38 | M | 1.7220 | 1.79 | .27180 | .047* |
41 | F | 1.8535 | .30829 | |||
35, 45 | 40 | M | 1.9109 | 2.01 | .36013 | .018* |
41 | F | 2.1080 | .37385 | |||
16, 26 | 39 | M | 1.6168 | 1.64 | .23051 | .334 |
40 | F | 1.6726 | .27909 | |||
36, 46 | 39 | M | 1.7449 | 1.83 | .29966 | .017* |
40 | F | 1.9105 | .30537 | |||
17, 27 | 40 | M | 1.7247 | 1.76 | 0.2529 | 0.242 |
41 | F | 1.8022 | 0.3084 | |||
37, 47 | 40 | M | 1.8475 | 1.95 | 0.3343 | 0.025* |
41 | F | 2.0497 | 0.3395 | |||
# Fédération Dentaire Internationale notation of tooth numbering system – FDI TNS (Keiser-Nielsen, 1971); * P Mx – maxilla; Mn – mandible; M – Males; F – Females. |