HOSA Dental Terminology Practice

What is a study model in dentistry?

1. A model used for orthodontic adjustments

2. A diagnostic cast of teeth and adjoining tissues

3. A mold for dentures

4. A reference for cleaning techniques

The correct answer is: A diagnostic cast of teeth and adjoining tissues

A study model in dentistry refers to a diagnostic cast of teeth and adjoining tissues. This model is typically created from an impression taken of a patient's mouth and is used for various purposes in dental practice. It provides practitioners the ability to diagnose conditions, plan treatments, and communicate effectively with patients about their oral health. The study model allows for a 3D visualization of the dental arch and its relationships, which is crucial when evaluating the alignment of teeth, assessing occlusion, and designing treatment plans. The other options, while related to dental practices, do not accurately represent the function of a study model. For instance, a model specifically for orthodontic adjustments pertains to a certain type of tool used primarily for orthodontic purposes, rather than serving broader diagnostic needs. A mold for dentures focuses solely on the fabrication of removable prosthetics, and a reference for cleaning techniques does not align with the primary purpose of study models. Thus, identifying the study model as a diagnostic cast captures its essence in supporting comprehensive dental assessments and treatment planning.