Introduction to Dental
Hygiene: Soft Deposits,
Calculus, Biofilm & Stain
2026 | Study Guide,
Practice Questions,
Answers, Rationales &
Exam Review | Complete
Ethics Study Guide
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, Acquired enamel pellicle description Translucent, homogeneous, thin, structured film covering and adherent to the
surfaces of the teeth, restorations, calculus, and other surfaces.
Acquired enamel pellicle removal toothbrush and appropriate interdental aid such as floss
Acquired dentin pellicle description Translucent two layer structure adheres to exposed dentin and restorative materials
acquired dentin pellicle removal method toothbrush and appropriate interdental aid
microbial (bacterial) biofilm nonmineralized description dense, organized bacterial communities embedded in EPS matrix adheres
tenaciously to the teeth, calculus, protheses, and other surfaces in the oral cavity
microbial (bacterial) biofilm nonmineralized removal toothbrush and appropriate interdental aid such as floss
Materia Alba Nonmineralized Description Loosely adherent, unstructured, white or grayish-white mass of oral debris and
bacteria that lies over dental biofilm
Materia alba, Nonmineralized; Removal Method Vigorous rinsing and water irrigation can remove material alba
Food Debris Nonmineralized Description Unstructured, loosely attached particulate matter
Food debris, Nonmineralized; Removal method self-cleansing activity of tongue and saliva. rinsing vigorously removes debris.
toothbrushing, flossing, and other aids
Calculus mineralized description calcified dental biofilm; hard, tenacious mass that forms on the clinical crowns of the
natural teeth and on dentures and other oral appliances
calculus mineralization derivation biofilm mineralization
Hygiene: Soft Deposits,
Calculus, Biofilm & Stain
2026 | Study Guide,
Practice Questions,
Answers, Rationales &
Exam Review | Complete
Ethics Study Guide
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, Acquired enamel pellicle description Translucent, homogeneous, thin, structured film covering and adherent to the
surfaces of the teeth, restorations, calculus, and other surfaces.
Acquired enamel pellicle removal toothbrush and appropriate interdental aid such as floss
Acquired dentin pellicle description Translucent two layer structure adheres to exposed dentin and restorative materials
acquired dentin pellicle removal method toothbrush and appropriate interdental aid
microbial (bacterial) biofilm nonmineralized description dense, organized bacterial communities embedded in EPS matrix adheres
tenaciously to the teeth, calculus, protheses, and other surfaces in the oral cavity
microbial (bacterial) biofilm nonmineralized removal toothbrush and appropriate interdental aid such as floss
Materia Alba Nonmineralized Description Loosely adherent, unstructured, white or grayish-white mass of oral debris and
bacteria that lies over dental biofilm
Materia alba, Nonmineralized; Removal Method Vigorous rinsing and water irrigation can remove material alba
Food Debris Nonmineralized Description Unstructured, loosely attached particulate matter
Food debris, Nonmineralized; Removal method self-cleansing activity of tongue and saliva. rinsing vigorously removes debris.
toothbrushing, flossing, and other aids
Calculus mineralized description calcified dental biofilm; hard, tenacious mass that forms on the clinical crowns of the
natural teeth and on dentures and other oral appliances
calculus mineralization derivation biofilm mineralization
