Who was the first woman to graduate from a recognized dental college? - correct answer Lucy B. Hobbs-Taylor
What are the conditions that would
... [Show More] indicate the need for restorative dentistry? - correct answer - initial or recurring decay
- replacement or failed restorations
- abrasion or wearing away of tooth structure
True or False: Aesthetic dentistry is primarily devoted to improving the appearance of teeth; specific conditions that indicate a need for aesthetic treatment include the replacement of a partial denture. - correct answer False
The process of removing unhealthy tooth structure while leaving a limited amount of healthy structure for the tooth to maintain a restoration is known as cavity preparation. This process involves which of the following steps? - correct answer - initial preparation
- outline, resistance, retention, convenience form
- final preparation
Responsibilities of the dental assistant in the restorative process can include performing expanded function and maintaining patient control. - correct answer True
Class II restorations are found on the.... - correct answer Posterior teeth
The usual material of choice for class III and Class IV restorations is ... - correct answer Composite Resin
The Class V restoration is classified as a smooth surface filling and can be found on the... - correct answer - incisors
- canines
- premolars
When are retention pins used as a part of the direct restorative process? - correct answer - when decay has extended beyond the normal size and shape of the cavity preparation
- when a stronger system for retaining and supporting the restoration is needed
- when one or more cusps of the tooth is missing
A veneer is a thin layer of tooth-coloured material that is placed on the facial surface of a prepared tooth and is used for: - correct answer - improving appearance of teeth that are abraded, eroded or discoloured
- closing a diastema
- improving alignment of teeth
When is tooth whitening or vital bleaching not indicated for a dental patient? - correct answer when the patient presents with severe tetracycline and fluorosis stains
A matrix must be used to create a temporary wall for which of the following classifications of tooth restoration? - correct answer Class II, III, and V
The most common matrix system used for class II posterior restorations is the... - correct answer tofflemire retainer and matrix band
The universal/Tofflemire retainer holds the matrix band snugly in position and is most often positioned... - correct answer on the buccal surface of the tooth being restored
The class II restoration requires a matrix band to act as an artificial wall that must make proper contact with the adjacent tooth; this is accomplished by... - correct answer - using a wedge
- contouring the centre of the matrix band in the proximal contact area
- the dentists design of the inter proximal cavity preparation
The matrix is used for anterior CR or GI restorations... - correct answer Clear Plastic
Coronal Polishing is a technique used: - correct answer - to remove plaque and stains from coronal surfaces of the teeth
- before placement of dental sealants and orthodontic bands
- before placement of the dental dam and before acid etching
Patients at high risk for caries or with areas of thin demineralized enamel are contraindications for coronal polishing - correct answer True
Coronal polishing is the complete removal of calculus, debris, stains and plaque from the teeth - correct answer False
Exogenous stains are caused by an environmental source and are classified into subdivisions, including which of the following: - correct answer - Intrinsic stains
- Extrinsic stains
Extrinsic stains can be removed from the teeth by: - correct answer - air-powder polishing
- rubber cup polishing
- bristle brushes
The ultrasonic scaler is needed for a coronal polish... - correct answer False
Disclosing solution can be used for: - correct answer - identifying areas of plaque
- evaluating the effectiveness of the polishing
Teeth with very small initial carious lesions may be sealed, and the bacteria will not survive under a properly placed sealant - correct answer True
Sealants have been proved an effective way to prevent the development of dental caries and are indicated: - correct answer - through the caries-active period (ages 6-15)
- for teeth with deep pits & fissures
- for some adults [Show Less]