TABLE 2.

Summary of results for psoriasis

STUDY	YEAR	NUMBER OF PATIENTS	ASPECTS OF ORAL HEALTH OR HYGIENE	RESULTS
Psoriasis
Antal et al.40	2014	171	Periodontal disease	Psoriasis increased the risk of periodontal disease
Lazaridou et al.41	2013	200	Periodontal disease	Periodontal disease was associated with psoriasis
Nakib et al.42	2013	60,457	Periodontal disease	Increased periodontal bone loss was associated with psoriasis
Skudutyte-Rysstad et al.43	2014	50	Radiographic bone loss and periodontitis	Periodontitis and radiographic bone loss was more common among patients with psoriasis
Sharma et al.44	2015	68	Periodontal disease	The severity of periodontal disease was correlated with the severity of psoriasis
Keller et al.45	2012	115,365	Periodontal disease	Increased psoriasis risk for patients with chronic periodontitis
Telfer et al.46	1992	111	Oral microbiome	Psoriasis is correlated with previous Streptococcus pyogenesinfection
Thorleifsdottir et al.47	2016	275	Oral microbiome	Oral streptococcal infection was linked to psoriasis exacerbations; tonsillectomies also shown to help some patients
Üstün et al.48	2013	101	Periodontal disease	Psoriatic arthritis was correlated with more severe periodontal disease
Wu et al.49	2014	808	Tonsillectomies	Tonsillectomies improved psoriasis symptoms and even produced remission in some patients
Thorleifsdottir et al.50	2016	28	Tonsillectomies	HLA-Cw*0602 homozygous patients with psoriasis responded more positively to tonsillectomy than others
Johnston et al.51	2004	23	Oral microbiome	CD8+ T-cells from psoriasis patients recognized both streptococcal M protein and keratin self-antigens
Valdimarsson et al.52	1997	30	Oral microbiome	Psoriasis is associated with the Th1 response to streptococcal M protein