| 摘要 |
<p>An adjustable dental impression tray (10) includes a first arcuate member (12) and a second arcuate member (18) configured to selectively engage the first arcuate member (12). The first and second arcuate members (12, 18) from a channel (46) to receive a quantity of impression material. The adjustable dental impression tray (10) has a handle (50) formed at one end which facilitates the introduction and removal of the impression tray (10) into and from the mouth of the patient. An adjustment mechanism (76) is engageably disposed in relation to the first and second arcuate members (12, 18) providing for the selective adjustment of the first arcuate member (12) in at least one fixed position relative to the second arcuate member (18) so as to define one or more widths of the channel (46). Preferably, the channel (46) is formed having a generally U-shaped configuration which approximates the various sizes of the dentition of the patient. In preferred design, each of the arcuate members (12, 18) comprise an outer wall (320), an inner wall (328) and a platform surface (330). A locking member (64) is preferably formed in relation to the arcuate members (12, 18) to receive and retain the impression material in relation to the channel (46).</p> |
