Cavity Preparation
What is a cavity wall?
All internal surfaces of the tooth prepared for restoration.
What is a Class I carious lesion?
One surface lesion affecting the pits and fissures of the teeth.
What is tooth whitening?
A noninvasive method of lightening dark or discolored teeth.
What is the dental assistant's role in restorative procedures?
Be familiar with the procedure and prepare the setup for the restorative procedure.
What is the purpose of a pulpal floor?
It is an internal wall/surface of a prepared tooth that is perpendicular to the long axis of the tooth.
Define a Class II carious lesion.
An extension of a Class I lesion into the proximal surfaces of premolars and molars.
Describe a resin veneer.
A thin layer of tooth-colored material applied to the facial surface of a prepared tooth to improve appearance.
Describe the setup for a restorative procedure.
Position the patient
Place moisture control
Prepare dental materials.
Define an axial wall.
The internal wall/surface of a prepared tooth that runs parallel to the long axis of the tooth.
What distinguishes Class III from Class IV?
Class III affects interproximal surfaces of incisors and canines, while Class IV involves larger surfaces including incisal edges.
What are the instructions for at-home tooth whitening?
Brush and floss before tray placement, use gel sparingly, and avoid eating/drinking while wearing the tray.
How does a dental assistant provide moisture control?
By using cotton rolls, dry angles, or a dental dam.
What is the role of a dentinal wall?
It is the portion of a prepared external wall that consists of dentin.
Define Class V restorations.
Smooth surface restorations occurring at the gingival third of the facial or lingual surfaces of any tooth.
What are the three major teeth-whitening options?
In-office treatment, at-home treatment, and over-the-counter options.
What are the responsibilities during tooth whitening procedures?
Assist in recording medical history, shade selection, and provide preoperative instructions.
Describe a line angle.
The angle formed by the junction of two walls/surfaces in a cavity preparation.
What are retention pins used for?
Indicated for teeth with significant loss of tooth structure to provide additional support.
What is an intermediate restoration?
A temporary restoration used when a tooth cannot be restored immediately.
Summarize the patient's post-operative instructions.
Discuss adverse effects or problems, and provide care instructions if complications arise.