AS	Ankylosing spondylitis
BASDAI	Bath Ankylosing Spondylitis Disease Activity Index
BASFI	Bath Ankylosing Spondylitis Functional Index
BAS-G	Bath Ankylosing Spondylitis Patient Global Score
BD	Behcet disease
CA	citric acid group
CAL	clinical attachment loss
CSRG	Canadian Scleroderma Research Group
DAS 28	disease activity score 28
DMF-T	decayed-, missing-, and filled-teeth index
dSSc	diffuse systemic sclerosis
D-T	number of decayed teeth
EPSSRI	Emotional Problems Scales-Self Report Inventory
EGF	epidermal growth factor
GOHAI	general oral health assessment index
HAQ	health assessment questionnaire
HRQoL	health-related quality of life
ICC	intraclass correlation
lSSc	localized systemic sclerosis
MA	malic acid group
MHISS	mouth handicap in systemic sclerosis
M-T	number of missing teeth
n/a	not applicable
OHIP	oral health impact profile
OHRQoL	oral-health-related quality of life
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
pSS	primary Sjögren syndrome
RA	rheumatoid arthritis
RAPID3	Routine Assessment of Patient Index Data 3
SDI	SLICC damage index
SEM	standard error of measurement
SF-36	short form 36 survey
SLE	systemic lupus erythematosus
SS	Sjögren Syndrome
sSS	secondary Sjögren Syndrome
SSc	Systemic sclerosis
T	Turkey
UK	United Kingdom
XeQoL	quality of life questionnaire in xerostomy
UK	United Kingdom
XeQoL	quality of life questionnaire in xerostomy
PICO	patient intervention control outcome