Restorative - Isolation
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20 terms
Terms | Definitions |
|---|---|
 dental dams should be used | whenever possible |
| dental dam advantages | increased visibility of oral cavity controls moisture increases efficiency more comfort for patient prevents transmission of disease patient cannot swallow materials |
| dental dam material | should be refrigerated good for 2 years from date of manufacture |
| posterior teeth | minimum 1 tooth distal and 2 teeth mesial video: 2 teeth distal and to opposite incisor |
| anterior teeth | canine to canine |
| check for rough contacts | with floss to prevent tearing the dam |
| punch holes | 1. mand incisors 2. max incisors 3. premolars and canines 4. molars 5. anchor tooth |
| when using punch | pull up on dam while squeezing to clear hole |
| lubricate dam | on tissue side after punching holes |
| clamp placement | on most distal tooth has to contact tooth at 4 line angles below height of contour |
| winged clamp | wings at jaws put in dam before applied to tooth |
| wingless clamp | smooth at jaws put on before dam |
| clamps designated with an "A" | jaws point downward for partially erupted teeth points toward "A"pex |
| inversion | tucking under of the edges of dam around gingival sulcus T-ball burnisher |
| examples of isolation | cotton rolls gauze squares cellulose wafers saliva ejectors svedopters high volume evacuators rubber dams |
| examples of cellulose wafers | Dri-Angles |
| Advantages of EXCELLENT isolation | protection moisture control visibility protection from aspiration patient comfort easy to obtain reduced aerosol sprays from pt. mouth dental material properties are better when placed in a dry field |
| protection | soft tissues (cheek, lips, and tongue) are kept from the field of vision, which protects surrounging soft tissues form damage |
| mositure control | dental material properties are improved in a dry field |
| visibility | improved since the teeth are kept dry and relatively isolated. ideally, isolation would isolate and expose the entire clinical crown by retracting free gingiva |
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