Publications by authors named "David J Harnick"
Clear aligner therapy (CAT) has been used successfully to correct minor spacing and crowding. It generally has not been indicated in more complicated malocclusions such as skeletal discrepancies and open bites; however, recent advances in technology and practitioner expertise now allow the use of CAT in these situations. This case report demonstrates the use of a CAT system (Invisalign) to correct a Class II malocclusion with crowding and an open bite tendency.
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- The study aimed to identify fibrinogen as the main plasma protein responsible for spontaneous echo contrast (SEC) and to explore factors that influence SEC formation.
- SEC is linked to thromboemboli formation, but the specific blood components involved have not been clearly defined.
- Results showed that SEC density is dependent on blood flow rates and fibrinogen concentration, with higher concentrations leading to denser SEC; interventions like adding sialic acid can reduce SEC even in the presence of fibrinogen.