How do you prepare a Class 1 cavity?

Class I involves pits and fissure caries (occlusal surfaces of posterior teeth, lingual pits of upper incisors and buccal/lingual pits of molars). Cavity preparation begins once the extent of the damage that took place is assessed and the outline form to be created has been determined.

What is a Class 1 amalgam restoration?

Class I lesions are associated with caries in the pits and fissures system. Dental amalgam may be recommended for the restoration of those lesions due its strength, resistance to wear and the ability to self-seal the margins of the restoration over time.

What is tooth preparation for amalgam?

Primary retention form is the shape or form of the conventional preparation that resists displacement or removal of the restoration by tipping or lifting forces. For amalgam Class I and II preparations , the material is retained in the tooth by developing external tooth walls that converge occlusally.

What is a Class 1 cavity?

Class I. This describes tooth decay that occurs on tooth surfaces in which your dentist can see easily. This category includes cavities on the chewing surfaces of the back teeth, such as your molars and premolars, and decay on either the front or back surfaces of the front teeth.

How do you prepare a Class 2 cavity?

Continue to Class II Amalgam Restoration

1. Obtain proper isolation of the tooth (e.g. rubber dam, isovac/isolite, etc.)
2. Place the bur in the most mesial portion of the preparation outline, orient the bur 5º mesially, and brush upward to create occlusal divergence at the proximal wall of the dovetail.

What is a Class 5 filling?

Class V: Cavity on the cervical third of the facial or lingual surfaces of any tooth (Think of the neck of the tooth)

Where would you find a Class 1 restoration in the mouth?

Cavity classifications Class I Caries affecting pit and fissure, on occlusal, buccal, and lingual surfaces of molars and premolars, and palatal of maxillary incisors.

What are the advantages of amalgam?

Advantages of Amalgam They are very durable and capable of lasting for over a decade or more with proper care. Due to their strength, they can fill fairly large cavities within the teeth. The lower expense of amalgam fillings can be a relief to patients on a budget.

What is a Class 4 dental?

Class 4: Patient who requires a dental examination and whose dental classification is unknown.

How many point angles are in a class 2 cavity?

For class II cavity preparation (mesioocclusal or disto-occlusal) 11 line angles and 6 point angles are as follows. The following is the nomenclature for mesio-occlusal cavity (Fig. 31.7).

What should I know about cavity preparation for amalgam?

1. Anesthesia (Pt comfort, decrease salivary flow). 2. Occlusal assessment (determine design, adjust the restoration function). 3. Isolation (visibility, better restoration quality). 4. Tooth preparation. 5. Pulp Protection. 6. Restoration.

What is the purpose of Class I amalgam?

15. CLASS I AMALGAM RESTORATION-  Amalgam is used for the restoration of many carious and fractured posterior teeth and in the replacement of failed restoration.  If properly placed it provides many years of service.  Understanding the physical properties of amalgam and the principles of tooth preparation. 15 16.

What to consider when preparing a Class I cavity?

3. CONTENTS-  INTRODUCTION  DEFINITION  FACTORS TO CONSIDER BEFORE TOOTH PREPARATION  CLINICAL TECHNIQUE FOR CLASS I AMALGAM a) CONSERVATIVE CLASS I b) EXTENSIVE CLASS I c) OCCLUSOLINGUAL CLASS I d) OCCLUSOFACIAL CLASS I  CLASS I COMPOSITE RESTORATION  TOOTH PREPARATION:AMALGAM V/S COMPOSITE  REFERENCES 3 4.

When to use occlusolingual amalgam on maxillary molars?

CLASS I OCCLUSOLINGUAL AMALGAM RESTORATIONS  Occlusolingual amalgam restorations may be used on maxillary molars when a lingual fissure connects with the distal oblique fissure and distal pit on the occlusal surface.  Tooth preparation includes the following- 1) Tooth preparation should be no wider than necessary.