A Radiographic Study of the Root-to-Crown Ratio of Natural Permanent Teeth in 81 Saudi Adults

Abdulelah Sameer Sindi; Fuad Al Sanabani; Bandar M.A. Al-Makramani; Khurshid Mattoo; Hafiz Adawi; Hosain Al-Mansour; Fahad M. Albakri; Mohammed M. Al Moaleem; Mohamed Sobhy; Hatem Abdu Humadi; Mossab Ahmad Hamzi; Essa Mosa Agili; Shailesh Jain

doi:10.12659/MSM.936085

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, Mohammed M. Al Moaleem^2BDEG, Mohamed Sobhy^2ADEF, Hatem Abdu Humadi^6BCDE, Mossab Ahmad Hamzi^6BCDE, Essa Mosa Agili^6BCDE, Shailesh Jain

^7CEF

DOI: 10.12659/MSM.936085

Med Sci Monit 2022; 28:e936085

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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
11, 21	41	F	1.7534	1.72	.30036	.243
31, 41	40	M	1.5160	1.59	.33590	.073
31, 41	41	F	1.6696	1.59	.41982	.073
12, 22	39	M	1.6646	1.72	.30023	.149
12, 22	41	F	1.7705	1.72	.34823	.149
32, 42	40	M	1.5161	1.65	.31035	.002^*
32, 42	41	F	1.7758	1.65	.41225	.002^*
13, 23	40	M	1.9319	1.91	.31949	.410
13, 23	41	F	1.8798	1.91	.23888	.410
33, 43	40	M	1.8367	1.91	.37704	.054
33, 43	41	F	1.9909	1.91	.33052	.054
14, 24	39	M	1.7665	1.82	.32231	.144
14, 24	40	F	1.8641	1.82	.26178	.144
34, 44	39	M	1.7878	1.92	.31143	.001^*
34, 44	40	F	2.0493	1.92	.35811	.001^*
15, 25	38	M	1.7220	1.79	.27180	.047^*
15, 25	41	F	1.8535	1.79	.30829	.047^*
35, 45	40	M	1.9109	2.01	.36013	.018^*
35, 45	41	F	2.1080	2.01	.37385	.018^*
16, 26	39	M	1.6168	1.64	.23051	.334
16, 26	40	F	1.6726	1.64	.27909	.334
36, 46	39	M	1.7449	1.83	.29966	.017^*
36, 46	40	F	1.9105	1.83	.30537	.017^*
17, 27	40	M	1.7247	1.76	0.2529	0.242
17, 27	41	F	1.8022	1.76	0.3084	0.242
37, 47	40	M	1.8475	1.95	0.3343	0.025^*
37, 47	41	F	2.0497	1.95	0.3395	0.025^*
^# Fédération Dentaire Internationale notation of tooth numbering system – FDI TNS (Keiser-Nielsen, 1971); ^* P Mx – maxilla; Mn – mandible; M – Males; F – Females.

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A Radiographic Study of the Root-to-Crown Ratio of Natural Permanent Teeth in 81 Saudi Adults

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