Table 3. Correlations between OPs and Metal Ions in Patients with OLLwOP.

OP		Ti	Cr	Co	Ni	Zr	Pd	Ag	Pt	Au
MC
	r	−0.062	0.021	0.081	0.265	0.052	−0.113	−0.111	−0.029	−0.122
	p	0.524	0.830	0.406	0.009†	0.598	0.247	0.256	0.767	0.210
PFM
	r	−0.099	0.011	−0.001	0.210	−0.045	−0.105	0.104	0.035	−0.060
	p	0.311	0.908	0.992	0.039*	0.644	0.282	0.286	0.718	0.539
PFG
	r	0.012	0.155	0.035	0.193	0.069	−0.069	0.224	−0.032	0.151
	p	0.900	0.111	0.719	0.058	0.478	0.480	0.021*	0.742	0.121
GP
	r	−0.012	−0.106	0.008	0.053	−0.069	−0.189	0.133	0.118	0.034
	p	0.905	0.279	0.932	0.606	0.477	0.052	0.172	0.227	0.729
Zirconia
	r	−0.143	−0.102	−0.165	−0.149	0.005	−0.127	−0.132	−0.037	−0.160
	p	0.141	0.298	0.089	0.145	0.961	0.192	0.175	0.701	0.099
AmF
	r	0.081	0.009	−0.106	−0.140	0.078	−0.038	−0.059	−0.047	−0.038
	p	0.405	0.927	0.275	0.172	0.423	0.699	0.548	0.629	0.696
Implant
	r	−0.053	0.037	−0.181	−0.024	0.034	0.112	0.094	0.023	0.163
	p	0.587	0.701	0.062	0.819	0.726	0.252	0.337	0.813	0.093

OP, oral prosthesis; OLLwOP, oral lichenoid lesion with oral prosthesis; Ti, titanium; Cr, chromium; Co, cobalt; Ni, nickel; Zr, zirconium; Pd, palladium; Ag, silver; Pt, platinum; Au, gold; MC, metal crown; GP, gold prosthesis; PFM, porcelain-fused metal; PFG, porcelain-fused gold; AmF, amalgam filling. r=Pearson's correlation coefficient; p values were obtained by Pearson's correlation

*p<0.05, ^†p<0.01.