10
Dental waxes
Table 10.1 Dental waxes
| Wax type | Application |
|---|---|
| Pattern | |
| Baseplate wax | Establishing initial arch during denture making |
| Casting (modeling) wax | Wax rims and temporary bases during denture making |
| Inlay wax | Making direct or indirect patterns for cast restorations |
| Processing | |
| Boxing wax | Perimeter border of impression trays during pour-up |
| Sticky wax | Temporary adhesive |
| Utility | Variety of applications |
| Impression | |
| Bite wax | Recording occlusal and jaw relationships |
| Corrective (impression) wax | Dental impressions |
Table 10.2 Natural waxes
| Mineral | Plant | Animal |
|---|---|---|
| Paraffin | Carnauba | Beeswax |
| Microcrystalline | Ouricury | Spermaceti |
| Barnsdahl | Candelilla | |
| Ozokerite | Japan wax | |
| Ceresin | Cocoa butter | |
| Montan |
Table 10.3 Effect of wax additions on the properties of paraffin wax
| Admixed wax | Effect on paraffin wax |
|---|---|
| Microcrystalline | Reduced volumetric change on solidification |
| Barnsdahl | Increased melting range, greater hardness, reduced flow |
| Ozokerite | Improved properties in melting range |
| Ceresin | Greater hardness, increased melting range |
| Montan | Increased hardness and melting range |
| Carnauba | Increased hardness and melting range, modified flow |
| Ouricury | Increased hardness and melting range |
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