Table 6.

SpO₂ values of primary and permanent teeth by tooth type and position.

Apex Type	Tooth Type 1		Tooth Position 2	N	Mean SpO2%	Median SpO2%	SD	Min. SpO2%	Max. SpO2%
Open apex	TEMP	C	sup.	25	88.4	89.0	4.64	80	97
		C	inf.	25	85.2	85.0	3.27	80	92
		M	sup.	25	89.8	90.0	3.82	83	97
		M	inf.	25	90.5	90.0	3.77	82	97
	PERM	C	sup.	25	87.8	89.0	2.58	82	92
		C	inf.	25	88.0	87.0	1.54	87	91
		PM	sup.	25	93.0	94.0	2.88	89	97
		PM	inf.	25	93.5	94.0	2.47	89	97
		M	sup.	25	93.0	93.0	2.89	87	97
		M	inf.	25	92.4	91	2.93	87	97
Clpsed apex	TEMP	C	sup.	25	86.9	86.0	3.43	81	94
		C	inf.	25	88.6	88.0	4.62	78	97
		M	sup.	25	90.1	90.0	5.15	76	98
		M	inf.	25	90.3	90.0	4.03	72	96
	PERM	C	sup.	25	84.4	85.0	4.09	75	90
		C	inf.	25	83.0	82.0	4.05	77	90
		PM	sup.	25	89.2	89.0	2.66	81	93
		PM	inf.	25	89.3	90.0	2.78	81	93
		M	sup.	25	85.7	87.0	4.84	78	94
		M	inf.	25	86.6	87.0	3.44	80	92

¹ C, canines; PM, premolars; M, molars. ² sup., superior; inf., inferior.