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| Year : 1998 | Volume
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| Issue : 4 | Page : 157-162 |
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Inlays or onlays : How to decide
SV Bhagwat, Tarun Kumar Giroti
Deptartment of Conservative Dentistry and Endodontics, K.L.E.S's Institute of Dental Sciences, Belgaum, Karnataka, India
Correspondence Address:
S V Bhagwat
Deptartment of Conservative Dentistry and Endodontics, K.L.E.S's Institute of Dental Sciences, Belgaum, Karnataka
India
 Source of Support: None, Conflict of Interest: None  | Check |
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To fabricate a cast metal restoration, the procedure requires meticulous care both in cavity preparation and in proper manipulation of dental materials. Also, there must be a devotion to perfection on the part of the dentist and the laboratory technician. The cast metal inlay is selected over an amalgam restoration when the higher strength of a casting alloy is needed or when the superior control of contours and contacts that the indirect procedure provides is desired. The cast metal onlay is the treatment of choice for the restoration of a tooth that has been greatly weakened by caries or by large, failing restorations but the facial and lingual tooth surfaces are relatively unaffected by disease or injury. For such weakened teeth the superior physical properties of a casting alloy are desirable to withstand occlusal loads placed on the restoration; also, the onlay can be designed to distribute occlusal loads over the tooth in a manner to decrease the chance of tooth fracture in the future. Moreover, conserving intact facial and lingual enamel (or cementum) is conducive to maintaining the health of contiguous soft tissues. |
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