AAP	American Academy of Periodontology
aCGH	Array-based Comparative Genomic Hybridization
BI	Breakage Index
BOP	Bleeding on Probing
BMI	Body Mass Index
CAL	Clinical Attachment Loss
CIN	Chromosomal Instability
CI	Confidence Interval
DNA	Deoxyribonucleic Acid
EFP	European Federation of Periodontology
ICC	Intraclass Correlation Coefficient
IL	Interleukin
IRB	Institutional Review Board
IQR	Interquartile Range
MMC	Mitomycin C
NSAID	Nonsteroidal Anti-Inflammatory Drug
OTC	Over-the-Counter
PCR	Polymerase Chain Reaction
PD	Probing Depth
PI	Plaque Index
RD	Risk Difference
ROS	Reactive Oxygen Species
SD	Standard Deviation
SES	Socioeconomic Status
SPSS	Statistical Package for the Social Sciences
TNF-α	Tumor Necrosis Factor-alpha
UNC-15	University of North Carolina-15 periodontal probe