# US 2015/0147718 A1 · Apparatus and methods for filling teeth and root canals > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2015/0147718 A1 - Document ID: US20150147718A1 - Status: Published application - Kind: A1 - Application number: 14/315,211 - Filed: 2014-06-25 - Published: 2015-05-28 - Earliest claimed: 2013-06-26 - Assignees: Sonendo, Inc. - Applicants: Sonendo, Inc. - Inventors: Mehrzad Khakpour; Bjarne Bergheim - Web page: https://patentgrep.com/patent/US20150147718A1 ## CPC - A61C 5/40: Implements for surgical treatment of the roots or nerves of the teeth; Nerve needles; Methods or instruments for medication of the roots - A61C 1/087: {Supplying powder or medicines} - A61C 5/50: Implements for filling root canals; Methods or instruments for medication of tooth nerve channels - A61C 5/62: Applicators, e.g. syringes or guns - A61C 17/0202: {Hand-pieces} - A61C 17/024: with constant liquid flow - A61C 17/20: using ultrasonic waves - A61C 17/028: with intermittent liquid flow - A61C: DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE (non-driven toothbrushes A46B; {tongue scrapers A61B17/24;} preparations for dentistry A61K6/00; preparations for cleaning the teeth or mouth A61K8/00, A61Q11/00) ## Abstract A dental apparatus is disclosed. The dental apparatus can comprise a pressure wave generator to be disposed at a treatment region of a tooth. The pressure wave generator can include an opening to deliver a flowable filling material to the treatment region. The apparatus can include a reservoir for supplying the filling material to the pressure wave generator. The pressure wave generator can be configured to generate pressure waves through the treatment region to cause the filling material to substantially fill the treatment region. ## Claims ### Claim 1 A dental apparatus comprising: a pressure wave generator to be disposed at a treatment region of a tooth, the pressure wave generator comprising an opening to deliver a flowable filling material to the treatment region; and a reservoir for supplying the filling material to the pressure wave generator, wherein the pressure wave generator is configured to generate pressure waves through the treatment region to cause the filling material to substantially fill the treatment region. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the pressure wave generator comprises a liquid jet device. ### Claim 3 (depends on 2) The apparatus of claim 2, wherein the liquid jet device comprises a guide tube, the opening disposed near a distal portion of the guide tube. ### Claim 4 (depends on 1) The apparatus of claim 1, further comprising a cap near the pressure wave generator, the cap at least partially defining a chamber, the cap configured to retain fluid in the chamber when the cap is positioned against the treatment region. ### Claim 5 (depends on 1) The apparatus of claim 1, further comprising a handpiece, the pressure wave generator coupled to or formed with the handpiece. ### Claim 6 (depends on 5) The apparatus of claim 5, wherein the reservoir is disposed in or on the handpiece. ### Claim 7 (depends on 6) The apparatus of claim 6, wherein the reservoir is removable from the handpiece. ### Claim 8 (depends on 5) The apparatus of claim 5, wherein the pressure wave generator comprises a filling mode in which the pressure wave generator fills the treatment region and a cleaning mode in which the pressure wave generator cleans the treatment region. ### Claim 9 (depends on 8) The apparatus of claim 8, wherein the handpiece comprises a switch to switch between the filling mode and the cleaning mode. ### Claim 10 (depends on 5) The apparatus of claim 5, further comprising a console in fluid communication with the handpiece, the console configured to control the operation of a treatment procedure. ### Claim 11 (depends on 10) The apparatus of claim 10, wherein the reservoir is disposed in or on the console. ### Claim 12 (depends on 10) The apparatus of claim 10, wherein the console comprises a controller configured to switch between a filling mode and a cleaning mode. ### Claim 13 (depends on 1) The apparatus of claim 1, further comprising the filling material. ### Claim 14 (depends on 1) The apparatus of claim 1, wherein the pressure wave generator is further configured to deliver cleaning fluid through the opening and to generate pressure waves through the treatment region to cause the cleaning fluid to substantially clean the treatment region. ### Claim 15 (depends on 5) The apparatus of claim 5, further comprising an interface member configured to couple to a conduit in fluid communication with a console, the handpiece configured to removably engage with a distal portion of the interface member. ### Claim 16 (depends on 15) The apparatus of claim 15, further comprising a cartridge configured to couple with the distal portion of the interface member, the handpiece configured to removably engage with a distal portion of the cartridge, the cartridge comprising the reservoir. ### Claim 17 (depends on 16) The apparatus of claim 16, wherein the cartridge is configured to removably engage with the interface member. ### Claim 18 (depends on 16) The apparatus of claim 16, wherein the cartridge comprises a first supply line to deliver a cleaning fluid and a second supply line to deliver a filling material, the cartridge comprising a switch to switch between the first and second supply lines. ### Claim 19 (depends on 16) The apparatus of claim 16, wherein the cartridge comprises a supply line, the supply line coiled within the cartridge. ### Claim at position 20 -34. (canceled) ### Claim 35 A dental apparatus comprising: a handpiece having a distal portion to be positioned at a treatment region of a tooth and a fluid supply line extending proximally from the distal portion, the distal portion comprising an opening for supplying fluid to the treatment region from the fluid supply line, wherein the apparatus is configured to operate in a cleaning mode in which cleaning fluid passes through the opening to clean the treatment region, and wherein the apparatus is configured to operate in a filling mode in which a flowable filling material passes through the opening to fill the treatment region. ### Claim 36 (depends on 35) The dental apparatus of claim 35, wherein the handpiece comprises a switch to change the handpiece from the cleaning mode to the filling mode or from the filling mode to the cleaning mode. ### Claim 37 (depends on 35) The dental apparatus of claim 35, further comprising a console to be in fluid communication with the handpiece, wherein the console comprises a controller configured to change the handpiece from the cleaning mode to the filling mode or from the filling mode to the cleaning mode. ### Claim 38 (depends on 37) The dental apparatus of claim 37, wherein the console comprises a reservoir to store the filling material. ### Claim 39 (depends on 35) The dental apparatus of claim 35, wherein the handpiece comprises a reservoir to store the filling material. ### Claim 40 (depends on 39) The dental apparatus of claim 39, wherein the reservoir is removable from the handpiece. ### Claim 41 (depends on 35) The dental apparatus of claim 35, further comprising an interface member configured to couple to a conduit in fluid communication with a console, the handpiece configured to removably engage with a distal portion of the interface member. ### Claim 42 (depends on 41) The dental apparatus of claim 41, further comprising a cartridge configured to couple with the distal portion of the interface member, the handpiece configured to removably engage with a distal portion of the cartridge, the cartridge comprising a reservoir configured to store the filling material. ### Claim 43 (depends on 42) The dental apparatus of claim 42, wherein the cartridge is configured to removably engage with the interface member. ### Claim 44 (depends on 42) The dental apparatus of claim 42, wherein the cartridge comprises a first supply line to deliver a cleaning fluid and a second supply line to deliver a filling material, the cartridge comprising a switch to switch between the first and second supply lines. ### Claim 45 (depends on 42) The dental apparatus of claim 42, wherein the cartridge comprises a supply line, the supply line coiled within the cartridge. ### Claim 46 (depends on 35) The dental apparatus of claim 35, further comprising the filling material. ### Claim 47 (depends on 35) The dental apparatus of claim 35, further comprising a pressure wave generator coupled to or formed with the handpiece, the pressure wave generator configured to generate pressure waves through the treatment region to cause the filling material to substantially fill the treatment region. ### Claim 48 (depends on 47) The dental apparatus of claim 47, wherein the pressure wave generator comprises an opening to deliver the filling material to the treatment region. ### Claim 49 (depends on 47) The dental apparatus of claim 47, wherein the pressure wave generator is further configured to substantially clean the treatment region. ### Claim 50 (depends on 47) The dental apparatus of claim 47, wherein the pressure wave generator comprises a liquid jet device. ### Claim 51 A dental apparatus comprising: a handpiece having a distal portion to be positioned at a treatment region of a tooth, the handpiece further comprising a first fluid supply line and a second fluid supply line to deliver fluid to the treatment region, wherein the apparatus is configured to deliver a first composition through the first fluid supply line and a second composition through the second fluid supply line to the treatment region, and wherein the apparatus is further configured to combine the first composition with the second composition at a location in the handpiece or at the treatment region of the tooth to form a filling material to substantially fill the treatment region. ### Claim 52 (depends on 51) The dental apparatus of claim 51, further comprising a first pressure wave generator in communication with the first fluid supply line and a second pressure wave generator in communication with the second fluid supply line. ### Claim 53 (depends on 51) The dental apparatus of claim 51, further comprising a console to be in fluid communication with the handpiece, the console comprising one or more pumps to drive the first and second compositions to the handpiece. ### Claim 54 (depends on 53) The dental apparatus of claim 53, wherein the console comprises a controller configured to change the handpiece from a cleaning mode to a filling mode or from the filling mode to the cleaning mode. ### Claim 55 (depends on 53) The dental apparatus of claim 53, wherein the console comprises one or more reservoirs to store the first and second compositions. ### Claim 56 (depends on 51) The dental apparatus of claim 51, wherein the handpiece comprises one or more reservoirs to store the first and second compositions. ### Claim 57 (depends on 51) The dental apparatus of claim 51, further comprising an interface member configured to couple to a conduit in fluid communication with a console, the handpiece configured to removably engage with a distal portion of the interface member. ### Claim 58 (depends on 57) The dental apparatus of claim 57, further comprising a cartridge configured to couple with the distal portion of the interface member, the handpiece configured to removably engage with a distal portion of the cartridge, the cartridge comprising one or more reservoirs configured to store the first and second compositions. ### Claim 59 (depends on 58) The dental apparatus of claim 58, wherein the cartridge is configured to removably engage with the interface member. ### Claim 60 (depends on 58) The dental apparatus of claim 58, wherein the cartridge comprises a supply line, the supply line coiled within the cartridge. ### Claim at position 47 -73. (canceled)