Table 4.

Subscales of OHRQoL in included studies. Because different questionnaires were used and several different options of subscales/dimensions exist, the available results are presented if available. Results are given as the mean value ± standard deviation or otherwise as percentage

OHIP 14
Disease	Functional limitation	Physical pain	Psycho-social discomfort	Physical disability	Psycho-logical disability	Social disability	Handicap
Lopez-Pintor et al. 2017* [21]	4.20 ± 2.45	4.04 ± 2.13	3.98 ± 2.54	3.34 ± 2.05	3.26 ± 1.94	2.76 ± 1.68	2.80 ± 1.84
Lira E Silva et al. 2017 [28]	1.18 ± 1.07	1.73 ± 1.15	1.11 ± 1.18	1.51 ± 1.10	0.89 ± 1.15	0.23 ± 0.50	0.63 ± 0.81
Camacho-Alonso et al. 2018 [23]	1.86 ± 1.81	2.17 ± 2.31	2.08 ± 1.89	1.94 ± 2.14	0.88 ± 1.45	0.74 ± 1.35	0.68 ± 1.38
Oliveira et al. 2019 [27] No/mild or moderate/severe periodontitis	0.29 ± 1.00/0.48 ± 1.00/0.72 ± 1.16	1.5 ± 2.09/1.54 ± 1.87/2.16 ± 2.44	1.21 ± 1.64/1.51 ± 2.10/2.04 ± 2.44	0.54 ± 1.25/0.56 ± 1.16/0.91 ± 1.78	0.63 ± 1.10/0.94 ± 1.51/1.35 ± 1.90	0.42 ± 0.97/0.55 ± 1.38/0.54 ± 1.32	0.17 ± 0.82/0.62 ± 1.52/0.78 ± 1.68
	Functional limitation		Pain and discomfort		Psychological impact		Behavioural impact
Rodakowska et al. 2018 [22]	44.4%		52.8%		62.5%		45.8%
	Oral function		Psychosocial impact		Pain
Schmalz et al. 2018 [24]	1.66 (0,0–3)		2.10 (0, 0–3)		0.43 (0, 0–1)
GOHAI
	Functional limitation		Pain and discomfort		Psychological impact		Behavioural impact
Rodakowska et al. 2018 [22]	88.9%		84.7%		94.4%		30.6%

OHIP oral health impact profile, GOHAI general oral health assessment index, *OHIP 14 scale 1-5 instead of 0-4 points