I’ve had several calls in the last few weeks from both laboratory personal and dentists, regarding the fit of contacts on laboratory restorations returned to the Doctor for placement. Most have been loose contacts some have been tight, but either way the situation is frustrating to the laboratory, dentist, clinical staff and the patient.
Generally, the Doctors call in to see how they can get their labs to improve the model work being done, and are sure that it is something with the expansion of the stone. After many years of working with hundreds of dentists, I can tell you from experience that the number one reason for contact issues is temporaries. The second is distorted impressions and third is the laboratory process.Read More