Related Experiment Video
Updated: Feb 8, 2026

09:34
Semi-Automated Planimetric Quantification of Dental Plaque Using an Intraoral Fluorescence Camera
Published on: January 27, 2023
2.5K
Dental plaque-induced gingival conditions.
Shinya Murakami1, Brian L Mealey2, Angelo Mariotti3
1Osaka University, Graduate School of Dentistry-Department of Periodontology, Osaka, Japan.
Journal of Clinical Periodontology
|June 22, 2018
Summary
This review revises the gingival disease classification system. Controlling gingival inflammation from bacterial plaque is key to preventing periodontitis.
Area of Science:
- Periodontology
- Oral Medicine
Background:
- Gingival inflammation, driven by bacterial plaque biofilms, is a primary risk factor for periodontitis.
- Controlling gingival inflammation is crucial for preventing periodontitis progression.
Purpose of the Study:
- To propose revisions to the existing classification system for gingival diseases.
- To provide a rationale for proposed changes, highlighting differences from the 1999 classification.
Main Methods:
- Review and analysis of current literature on gingival diseases.
- Development of a simplified taxonomy for gingival conditions.
Main Results:
- Introduced the term "incipient gingivitis."
- Defined criteria for assessing the extent and severity of gingival inflammation and enlargement.
- Reduced the number of categories within the dental plaque-induced gingival disease taxonomy.
- Identified clinical characteristics of plaque-induced gingival inflammation, including reversibility and role of systemic factors.
Conclusions:
- Dental plaque-induced gingival inflammation is influenced by systemic and oral factors.
- Effective intervention strategies are essential for periodontitis prevention.
Related Concept Videos
Conditions on Early Earth
101.7K
Around 4 billion years ago, oceans began to condense on earth while volcanic eruptions released nitrogen, carbon dioxide, methane, ammonia, and hydrogen into the primordial atmosphere. However, organisms with the characteristics of life were not initially present on earth. Scientists have used experimentation to determine how organisms evolved that could grow, reproduce, and maintain an internal environment.
101.7K
Classical Conditioning
2.3K
Associative learning, a core principle in behavioral psychology, involves forming connections between events and facilitating learned responses. This concept is vividly illustrated by classical conditioning, a process extensively studied by the Russian physiologist Ivan Pavlov. Pavlov's pioneering research on dogs' digestive systems led to the discovery that behaviors can be learned through association, laying the groundwork for classical conditioning.
Ivan Pavlov observed that dogs...
Ivan Pavlov observed that dogs...
2.3K
Conditions of Equilibrium
2.2K
Equilibrium refers to a state where a rigid body is not subjected to any translational or rotational motion. This state is achieved when the force and couple acting on a rigid body equal zero. When the system of external forces results in a net effect equivalent to zero, the rigid body is considered to be in equilibrium.
Internal forces are not considered for conditions of equilibrium because they occur in equal and opposite pairs within the body, effectively canceling each other. As a result,...
Internal forces are not considered for conditions of equilibrium because they occur in equal and opposite pairs within the body, effectively canceling each other. As a result,...
2.2K
Operant Conditioning
2.9K
Operant conditioning, a key concept in behavioral psychology, involves using reinforcement and punishment to alter the likelihood of a behavior being repeated. B.F. introduced this type of conditioning. Skinner focused on voluntary behaviors and the consequences that follow them, influencing whether these behaviors will be strengthened or diminished.
Reinforcement in operant conditioning can be positive or negative, both of which serve to increase the likelihood of a behavior. Positive...
Reinforcement in operant conditioning can be positive or negative, both of which serve to increase the likelihood of a behavior. Positive...
2.9K
Conditioned Taste Aversion
610
Conditioned taste aversion, also known as sauce béarnaise syndrome, is a phenomenon in which an individual develops an aversion to a certain food taste following a negative experience, typically illness. This form of aversion is a type of classical conditioning in which the taste of the food (conditioned stimulus, CS) is associated with the experience of illness (unconditioned stimulus, UCS).
A notable characteristic of conditioned taste aversion is that it often requires only a single...
A notable characteristic of conditioned taste aversion is that it often requires only a single...
610
Electrostatic Boundary Conditions
974
Consider an external electric field propagating through a homogeneous medium. When the electric field crosses the surface boundary of the medium, it undergoes a discontinuity. The electric field can be resolved into normal and tangential components. The amount by which the field changes at any boundary is given by the difference between the field components above and below the surface boundary.
The surface integral of an electric field is given by Gauss's law in integral form and is related to...
The surface integral of an electric field is given by Gauss's law in integral form and is related to...
974

