Table 3.

Characteristics of patients who underwent teeth extraction: among 462 patients who received tooth extractions after RT, 41 ORN were diagnosed.

Study	Patients	Time from RT to Teeth Extraction	N. of Teeth Extraction	ORN Patients	ORN Sites
		Months			Tot	Maxilla	Mandible
Morrish et al., 1981 [19]	18	-	-	9	9	-	-
Beumer et al., 1983 [15]	72	31	27	16	16	3	13
Marx et al., 1985 [20]	74	-	291	13	35	0	35
Epstein et al., 1987 [21]	54	32.4	173	3	3	0	3
Maxymiw et al., 1991 [12]	72	-	449	0	0	0	0
Lambert et al., 1997 [22]	46	-	704	0	0	0	0
David et al., 2001 [23]	24	-	54	0	0	0	0
Ben-David et al., 2007 [14]	13	-	-	0	0	0	0
Al-Bazie et al., 2016 [11]	89	15	232	0	0	0	0

Abbreviations: n., number; Tot, Total; ORN, osteoradionecrosis; RT, radiotherapy.