Author Year of
publication 		Number of
patients 		Habits Diagnosis Mimicking
peri-implantitis 		History of
cancer/pre-malignancy
Clapp et al. [14] 1996 3 NA SCC NA 2 patients positive;
1 patient negative
Moxley et al. [15] 1997 1 Positive
Block and Scheufler [16] 2001 1 ES Yes
Shaw et al. [17] 2004 2 NA Negative
Czerninski et al. [18] 2006 2 1/2 heavy smoker Positive
Dib et al. [19] 2007 1 NA AC NA Negative
Abu El-Naaj et al. [20] 2007 1 Smoker SCC Yes Positive
Kwok et al. [21] 2008 3 2/3 has history of high consumption of
tobacco and alcohol 		NA 1 patient positive;
2 patients negative
Schache et al. [22] 2008 1 NA Negative
Chimenos-Küstner et al. [23] 2008 1 Moderate ES
Gallego et al. [24] 2008 1 NA Yes Positive
Eguia del Valle et al. [25] 2008 1 Negative
McGuff et al. [26] 2008 1 CH NA
Gulati et al. [27] 2009 1 SCC Yes Positive
De Ceulaer et al. [28] 2010 1 Negative
Bhatavadekar [29] 2012 1 NA
Jané-Salas et al. [30] 2012 2 No
Favia et al. [31] 2015 1 BBCM NA Positive
Raiser et al. [32] 2016 3 1 patient BCL, 2 patients SCC Yes 1 patient negative;
2 patients positive

SCC = squamous cell carcinoma; AC = adenocarcinoma; CH = chondroblastic osteosarcoma; BCL = B-cell lymphoma; NA = not applicable; BBCM = bone breast cancer metastases; ES = ex-smoker.