BOP	bleeding on probing
CAL	clinical attachment loss
CI	confidence interval
CPI	Community Periodontal Index
DHA	docosahexaenoic acid
DM	diabetes mellitus
EPA	eicosapentanoic acid
FFQ	food frequency questionnaire
GCF	gingivocrevicular fluid
GI	Gingival Index
GLA	γ-linoleic acid
hsCRP	high sensitivity C-reactive protein
IRR	incidence rate ratio
LDL	low density lipoprotein
Mesh	Medical Subjects Headings
MGI	Modified Gingival Index
MMP-8	matrix metalloproteinase-8
NHANES	National Health and Nutrition Survey
OR	odds ratio
PI	Plaque Index
PPD	Periodontal probing depth
PUFA	polyunsaturated fatty acid
RANKL	receptor activator of nuclear factor κB ligand
RCT	randomized-controlled trial
RR	relative risk
SBI	Sulcus Bleeding Index
SFA	saturated fatty acids
SRP	scaling and root planning
TLR-4	toll-like receptor 4