New regression equations for predicting human teeth sizes

Paredes, Vanessa; Tarazona, Beatriz; Zamora, Natalia; Cibrian, Rosa; Gandia, Jose Luis

doi:10.1186/s13005-015-0067-8

Head & Face Medicine

Table 6 Regression parameters for predicting UCPM and LCPM tooth sizes in each arch and per sex

From: New regression equations for predicting human teeth sizes

Study	Population	Sample (n)	Sex	Arch	Constants
Study	Population	Sample (n)	Sex	Arch	r	a	b	SEE	r²
Tanaka and Jhonston [3]	North American Whites	T = 506	M + F	Mx	0.63	10.41	0.51	0.86	0.35
Tanaka and Jhonston [3]	North American Whites	T = 506	M + F	Mb	0.65	9.18	0.54	0.85	0.42
Al khadra [9]	Saudi Arabian	T = 34	M + F	Mx	0.65	7.20	0.63	-	0.42
Al khadra [9]	Saudi Arabian	T = 34	M + F	Mb	-	8.60	0.55	-	0.40
Diagne et al [14]	Senegalese	25(M) + 25(F)	M + F	Mx	0.68	9.87	0.53	0.71	0.46
Diagne et al [14]	Senegalese	=50	M + F	Mb	0.73	5.67	0.70	0.81	0.54
Frankel and Benz [21]	Black Americans	39(M) + 41(F)	M + F	Mx	0.65	10.18	0.52	0.87	0.42
Frankel and Benz [21]	Black Americans	T = 80	M + F	Mb	0.70	8.30	0.64	0.94	0.49
Jaroontham and Godfrey [12]	Northeastern Thai	215(M) + 215(F)	M + F	Mx	0.60	11.87	0.47	0.84	0.36
Jaroontham and Godfrey [12]	Northeastern Thai	T = 430	M + F	Mb	0.64	10.30	0.50	0.82	0.41
Melgaco et al [15]	White Brazilians	240(M) + 223(F)	F	Mx	0.69	9.20	0.55	-	0.48
Melgaco et al [15]	White Brazilians	=500	M	Mb	0.70	8.90	0.58	-	0.50
Nourallah et al [13]	Syrians	320(M) + 280(F)	M + F	Mx	0.67	9.87	0.50	0.79	0.45
Nourallah et al [13]	Syrians	T = 600	M + F	Mb	0.68	9.32	0.55	0.83	0.46
Uysal et al [17]	Turkish	100(M) + 128(F)	M + F	Mx	0.99	4.07	0.76	0.01	0.98
Uysal et al [17]	Turkish	T = 228	M + F	Mb	0.99	3.74	0.75	0.01	0.98
Paredes et al. (this study)	Spanish	169(M) + 190(F)	M + F	Mx	0.574	12.34	0.42	0.87	0.330
Paredes et al. (this study)	Spanish	T = 359	M + F	Mb	0.587	11.17	0.45	0.91	0.345
Bherwani and Fida [19]	Pakistani	100(M) + 100(F)	M + F	Mx	0.65	8.56	0.54	0.79	0.42
Bherwani and Fida [19]	Pakistani	T =200	M + F	Mb	0.59	10.52	0.48	0.82	0.35
Yuen et al [10]	Hong Kong Chinese	61(M) + 51(F)	M + F	Mx	0.72	8.13	0.63	0.74	0.52
Yuen et al [10]	Hong Kong Chinese	T = 112	M + F	Mb	0.73	7.74	0.61	0.71	0.53
Abu Alhaija et al [23]	Jordanian	130(M) + 96(F)	M + F	Mx	0.57	10.55	0.53	0.99	0.32
Abu Alhaija et al [23]	Jordanian	T = 226	M + F	Mb	0.59	9.41	0.56	0.99	0.35
Philip NI et al [18]	Indian	300(M) + 300(F)	M + F	Mx	0.65	7.29	0.65	0.43	0.76
Philip NI et al [18]	Indian	T = 600	M + F	Mb	0.67	5.85	0.69	0.45	0.75
Chan et al [11]	Asian Americans	T = 201	M + F	Mx	0.64	8.19	0.63	0.90	0.41
Chan et al [11]	Asian Americans	T = 201	M + F	Mb	0.66	7.46	0.62	0.85	0.44
Tahere et al [22]	Iranian	25(M) + 25 F)	M + F	Mx	0.53	11.06	0.45	0.80	0.28
Tahere et al [22]	Iranian	T = 50	M + F	Mb	0.70	6.42	0.64	0.70	0.49

r (Pearson linear regression coefficients); a and b, regression equation coefficients y = a + bx; SEE, r², coefficient of determination. Male + Female (Total); Male(M) and Female(F) of different populations. Mx (maxilla) and Mb (mandible).

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