Describe dental models and how they are used in dentistry

Type 1: Dental plaster, impression.

Type 2: Dental plaster, model.

Type 3: Dental stone, model.

Type 4: Dental stone, die, high strength, low expansion.

Type 5: Dental stone, die, high strength, high expansion.

preliminary cast: is obtained from the preliminary impression and is used to manufacture a custom tray.

case study model: is obtained from the case study impression and It is used for observing various existing details prior to tooth preparation. Several study models may be constructed in various stages of the treatment.

didactic or documentation cast: is used for presenting various clinical cases at faculties, congresses, scientific studies, forensic documents

answer:

the patient complains of irritated stomach with gas after eating spicy foods.

explanation: