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A tip assembly for use with a dental tool, the tip assembly comprising a housing for attaching to the dental tool, at least one aspiration needle having a passageway extending at least partially through the aspiration needle, a substantial length of the aspiration needle, or at least from one end to

A tip assembly for use with a dental tool, the tip assembly comprising a housing for attaching to the dental tool, at least one aspiration needle having a passageway extending at least partially through the aspiration needle, a substantial length of the aspiration needle, or at least from one end to the other end of the aspiration needle, the passageway providing a single continuous path to aspirate the irrigant and/or debris from the root canal cavity of the tooth, and at least one irrigation needle having a passageway extending at least partially through the irrigation needle, a substantial length of the irrigation needle, or at least from one end to the other end of the irrigation needle, the passageway provides a continuous flow path for delivering fluid/irrigant from a reservoir in communication with a proximal end of the irrigation needle to the distal end of the irrigation needle and into a root canal/coronal opening of a tooth.

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1. A tip assembly for use with a dental tool, the tip assembly comprising: a housing for attaching to the dental tool;at least one aspiration needle having a passageway extending at least partially through the aspiration needle, a substantial length of the aspiration needle, or at least from one end

1. A tip assembly for use with a dental tool, the tip assembly comprising: a housing for attaching to the dental tool;at least one aspiration needle having a passageway extending at least partially through the aspiration needle, a substantial length of the aspiration needle, or at least from one end to the other end of the aspiration needle, the passageway providing a single continuous path to aspirate the irrigant and/or debris from the root canal cavity of the tooth;at least one irrigation needle having a passageway extending at least partially through the irrigation needle, a substantial length of the irrigation needle, or at least from one end to the other end of the irrigation needle, the passageway provides a continuous flow path for delivering fluid/irrigant from a reservoir in communication with a proximal end of the irrigation needle to the distal end of the irrigation needle and into a root canal/coronal opening of a tooth; and,wherein the at least one aspiration needle and/or the at least one irrigation needle is straight, bent, or curved to achieve a first predetermined resonant frequency of the aspiration needle. 2. The tip assembly according to claim 1, wherein the dental tool has an L-T mode ultrasonic energy generator positioned therein. 3. The tip assembly according to claim 1, wherein the energy generated by the ultrasonic energy generator is translated into movement of the aspiration needle to provide optimum cleaning of the root canal. 4. The tip assembly according to claim 1, wherein the energy generated by the ultrasonic energy generator is translated into movement of the irrigation needle inside the coronal aspect of the tooth to provide optimum cleaning of the root canal and/or pulp chamber. 5. The tip assembly according to claim 1, wherein the at least one aspiration needle and the at least one irrigation needle are straight. 6. The tip assembly according to claim 1, wherein the at least one irrigation needle extends spirally around the at least one aspiration needle. 7. The tip assembly according to claim 1, wherein the at least one irrigation needle includes a first irrigation needle and a second irrigation needle, the first irrigation needle extending spirally around the at least one aspiration needle and a tip portion of the second irrigation needle being bent or curved away from the at least one aspiration needle. 8. The tip assembly according to claim 1, wherein the at least one aspiration needle extends spirally around the at least one irrigation needle 9. The tip assembly according to claim 1, wherein the at least one aspiration needle includes a first aspiration needle and a second aspiration needle, the first aspiration needle extending spirally around the at least one irrigation needle and a tip portion of the second aspiration needle being bent or curved away from the at least one irrigation needle. 10. The tip assembly according to claim 1, wherein the at least one aspiration needle includes an inner aspiration needle and the at least one irrigation needle is a plurality of outer irrigation needles surrounding the inner aspiration needle. 11. A tip assembly for use with a dental tool, the tip assembly comprising: a housing having a conduit for attaching to the dental tool;an inner aspiration needle having a passageway extending at least partially through needle, substantial length of the needle, or at least from one end to the other end the passageway providing a single continuous path to aspirate the irrigant and debris from the root canal cavity of the tooth;a plurality of outer irrigation needles, surrounding inner aspiration needle, each having a passageway extending at least partially through the plurality of needles, substantial length of the plurality of needles, or at least from one end to the other end, the passageway provides a continuous flow path for delivering fluid/irrigant from a reservoir at the proximal end of the plurality of needles to a root canal/coronal opening of a tooth at the distal end of the plurality of needles; andwherein the inner aspiration needle and outer irrigation needles are connected together at a point or along a portion therebetween to achieve a first predetermined resonant frequency of the inner aspiration needle. 12. The tip assembly as recited in claim 11, wherein the dental tool has an L-T mode ultrasonic energy generator positioned therein. 13. The tip assembly as recited in claim 12, wherein the energy generated by the ultrasonic energy generator is translated into movement of the inner aspiration needle to provide optimum cleaning of the root canal. 14. The tip assembly as recited in claim 12, wherein the energy generated by the ultrasonic energy generator is translated into movement of the outer irrigation needles inside the coronal aspect of the tooth to provide optimum cleaning of the root canal and/or pulp chamber. 15. The tip assembly as recited in claim 11, where plurality of outer irrigation needles is between 2-5. 16. The tip assembly as recited in claim 11, wherein the outer irrigation needles are connected to the inner aspiration needle at a point or along a portion therebetween inside the housing. 17. The tip assembly as recited in claim 11, wherein the plurality of outer irrigation needles dampen vibrations and allow the inner aspiration needle to vibrate on its own at the first predetermined resonant frequency. 18. The tip assembly as recited in claim 11, wherein the plurality of outer irrigation needles vibrate at a second predetermined resonant frequency inside the coronal opening of a tooth, the second predetermined resonant frequency of the plurality of outer irrigation needles being different than the first predetermined resonant frequency of the inner aspiration needle. 19. The tip assembly as recited in claim 11, wherein the inner aspiration needle vibrates at the predetermined resonant frequency in the root canal of the tooth. 20. The tip assembly as recited in claim 11, wherein the inner aspiration needle and/or the plurality of outer irrigation needles is straight, bent, or curved. 21. The tip assembly as recited in claim 11, wherein the inner aspiration needle and plurality of outer irrigation needles are straight. 22. The tip assembly as recited in claim 11, wherein a tip portion of the plurality of irrigation needles are bent or curved away from the aspiration needle. 23. The tip assembly as recited in claim 11, wherein at least one of the plurality of irrigation needles extend spirally around the aspiration needle. 24. The tip assembly as recited in claim 23, wherein the spirals of the at least one of the plurality of irrigation needles decrease in taper towards a tip portion of the aspiration needle 25. The tip assembly as recited in claim 11, wherein the outer irrigation needles are shorter than the inner aspiration needle. 26. The tip assembly as recited in claim 11, wherein the aspiration needle and plurality of irrigation needles include a working portion such that a ratio of the working portion of the aspiration needle to the working portion of the plurality of irrigation needles ranges from about 2 to 4. 27. The tip assembly as recited in claim 11, wherein the outer irrigation needles are the same lengths or of varying lengths relative to each other so that they reach different depths of the coronal opening. 28. A tip assembly for use with a dental tool, the tip assembly comprising: a housing having a conduit for attaching to the dental tool;an inner aspiration needle having a passageway extending at least partially through needle, a substantial length of the needle, or at least from one end to the other end the passageway providing a single continuous path to aspirate the irrigant and debris from the root canal cavity of the tooth; anda plurality of outer wires, surrounding inner aspiration needle; andwherein the inner aspiration needle and outer wires are connected together at a point or along a portion therebetween to achieve a first predetermined resonant frequency of the inner aspiration needle, andwherein the plurality of outer wires extend spirally around the aspiration needle. 29. The tip assembly according to claim 28, wherein the plurality of outer wires includes a first outer wire and a second outer wire, the first outer wire extending spirally around the aspiration needle and a tip portion of the second outer wire being bent or curved away from the aspiration needle. 30. A tip assembly for use with an ultrasonic transducer comprising: an abrading needle operatively connected to the ultrasonic transducer;said abrading needle having a working tip and a connecting end;at least one groove on the exterior of said needle; anda sleeve at least partially covering said at least one groove;such that a fluid passageway is effectively formed between said at least one groove and said sleeve. 31. A tip assembly as in claim 30, wherein said sleeve is formed from a tube. 32. A tip assembly as in claim 31 wherein said tube is metal, plastic or rubber. 33. A tip assembly as in claim 31 wherein said tube is made from a medical grade, shrink tube material. 34. A tip assembly as in claim 30 further comprising a conduit positioned between said abrading needle and the ultrasonic transducer. 35. A tip assembly as in claim 4, wherein said conduit includes a fluid passageway fluidly connecting a source of pressurized fluid with said at least one groove.