Aerosol deflecting dental shield and containment device

Abstract

An aerosol deflecting dental shield and containment device having a cylindrical base with a lower free end and with a base sidewall having an inner surface enclosing and defining a base channel base channel defining a base channel diameter and with an HVE adapted to be inserted therein. The device also includes a circular base platform radially extending outwardly from the base channel, a deflecting member coupled to the circular base platform, with an outer surface opposing the lower free end, of an elastic polymeric material, defining an intake aperture fluidly coupled to the base channel, and defining a deflection diameter of a length at least twice a length of the base channel diameter, and a cantilevered tooth rest member projecting from the outer surface of the deflecting member, having a spherical apex disposed at a distal end thereon, and of an elastic polymeric material.

What is claimed is: 
     
         1 . In combination with a HVE tip operably configured to be coupled to an evacuator vacuum-inducing assembly, the improvement comprising:
 a base having a lower free end and having a base sidewall enclosing and defining a base channel and with the HVE tip disposed therein and coupled to the base sidewall;   a base platform radially extending outwardly from the base channel and having an upper surface;   a deflecting member rotatably coupled to the base platform, having an upper surface, having a lower surface opposing the upper surface of the deflecting member and coupled to the upper surface of the base platform in a recess-protrusion configuration to resist rotation movement of the deflecting member relative to the base platform, defining at least one intake aperture fluidly coupled to the base channel, and operably configured to rotate at least  180 ° relative to the base platform; and   a cantilevered tooth rest member projecting from the upper surface of the deflecting member.   
     
     
         2 . The improvement according to  claim 1 , wherein the deflecting member further comprises:
 a locking member extending downwardly away from the lower surface of the deflecting member, disposed in the base channel, and having a radial locking flange coupled to the base sidewall.   
     
     
         3 . The improvement according to  claim 2 , wherein the deflecting member is operably configured to rotate 360° relative to the base platform. 
     
     
         4 . The improvement according to  claim 1 , wherein the base and base platform are of a monolithic structure and the base platform is circular. 
     
     
         5 . The improvement according to  claim 1 , wherein the deflecting member is operably configured to rotate 360° relative to the base platform. 
     
     
         6 . The improvement according to  claim 1 , further comprising:
 at least one raised protuberance extending from the upper surface of the base platform; and   at least one recess defined on the lower surface of the deflecting member, wherein the at least one raised protuberance and the at least one recess are coupled together in the recess-protrusion configuration to resist rotation movement of the deflecting member.   
     
     
         7 . The improvement according to  claim 6 , wherein the at least one raised protuberance defines a plurality of internal air channels radially spanning inwardly toward the base channel and from outer edges of the base platform and the deflecting member, respectively, wherein the plurality of internal air channels are fluidly coupled to base channel. 
     
     
         8 . The improvement according to  claim 1 , further comprising:
 a plurality of raised protuberances extending from the upper surface of the base platform; and   a plurality of recesses defined on the lower surface of the deflecting member, wherein the plurality of raised protuberances and the plurality of recesses are coupled together in the recess-protrusion configuration to resist rotation movement of the deflecting member and are of a corresponding shape.   
     
     
         9 . The improvement according to  claim 1 , wherein the deflecting member is of an elastic polymeric material. 
     
     
         10 . The improvement according to  claim 1 , further comprising:
 a base channel diameter defined by the base channel; and   a deflection diameter defined by outer edges of the deflecting member, wherein the deflection diameter is at least twice the base channel diameter.   
     
     
         11 . The improvement according to  claim 1 , wherein the cantilevered tooth rest member further comprises:
 a spherical apex disposed at a distal end thereon and of an elastic polymeric material.   
     
     
         12 . The improvement according to  claim 11 , wherein the cantilevered tooth rest member defines an ejector channel extending from the spherical apex and fluidly coupled to the base channel. 
     
     
         13 . The improvement according to  claim 1 , further comprising:
 a plurality of internal air channels defined the upper surface of the base platform and the lower surface of the deflecting member, radially spanning inwardly toward the base channel and from outer edges of the base platform and the deflecting member, respectively, and each fluidly coupled to base channel.   
     
     
         14 . The improvement according to  claim 1 , wherein the cylindrical base further comprises:
 a protuberance disposed on an inner surface of the base sidewall that defines the base channel, wherein the protuberance is disposed in an aperture of the HVE tip and is sized and shaped to retain the cylindrical base to the HVE tip.   
     
     
         15 . An aerosol deflecting dental shield and containment device comprising:
 a base having a lower free end and having a base sidewall enclosing and defining a base channel;   a base platform radially extending outwardly from the base channel and having an upper surface;   a deflecting member rotatably coupled to the base platform, having an upper surface, having a lower surface opposing the upper surface of the deflecting member, defining at least one intake aperture fluidly coupled to the base channel, and operably configured to rotate at least 360° relative to the base platform;   a plurality of internal air channels defined the upper surface of the base platform and the lower surface of the deflecting member, radially spanning inwardly toward the base channel and from outer edges of the base platform and the deflecting member, respectively, and each fluidly coupled to base channel; and   a cantilevered tooth rest member projecting from the upper surface of the deflecting member.   
     
     
         16 . The aerosol deflecting dental shield and containment device according to  claim 15 , wherein the lower surface of the deflecting member is coupled to the upper surface of the base platform in a recess-protrusion configuration to resist rotation movement of the deflecting member relative to the base platform. 
     
     
         17 . The aerosol deflecting dental shield and containment device according to  claim 15 , wherein the deflecting member further comprises:
 a locking member extending downwardly away from the lower surface of the deflecting member, disposed in the base channel, and having a radial locking flange coupled to the base sidewall.   
     
     
         18 . The aerosol deflecting dental shield and containment device according to  claim 15 , further comprising:
 at least one raised protuberance extending from the upper surface of the base platform; and   at least one recess defined on the lower surface of the deflecting member, wherein the at least one raised protuberance and the at least one recess are coupled together in a recess-protrusion configuration to resist rotation movement of the deflecting member.