Method of producing a dental restoration
A method of producing a dental restoration ( 100 ), including the steps of calculating (S 101 ) a pressure distribution ( 101 ) on the oral mucosa ( 105 ) through the dental restoration ( 100 ) based on a three-dimensional data set ( 103 -DS) of the dental restoration ( 100 ) and a three-dimensional data set ( 103 -MS) of the oral mucosa ( 105 ); and determining (S 102 ) a spatial region ( 107 ) for an elastic production material ( 109 ) within the dental restoration ( 100 ) based on the calculated pressure distribution ( 101 ).
1 . A method of producing a dental restoration, comprising the steps of:
calculating a pressure distribution on an oral mucosa through the dental restoration based on a three-dimensional data set of the dental restoration and a three-dimensional data set of the oral mucosa; and
determining a spatial region for an elastic production material within the dental restoration based on the calculated pressure distribution;
wherein the dental restoration with the spatial region is manufactured such that pain or discomfort when wearing the dental restoration is reduced.
2 . The method according to claim 1 ,
wherein a production material for the spatial region is determined based on the pressure distribution.
3 . The method according to claim 1 ,
wherein the pressure distribution is calculated by a finite element method.
4 . The method according to claim 1 ,
wherein the pressure distribution is calculated in a presence of a predetermined force on the dental restoration.
5 . The method according to claim 4 ,
wherein the predetermined force is determined by a bite block sensor.
6 . The method according to claim 1 ,
wherein a pressure distribution on the dental restoration is calculated from the pressure distribution on the oral mucosa.
7 . The method according to claim 6 ,
wherein a thickness of the spatial region is proportional to the pressure distribution on the dental restoration.
8 . The method according to claim 1 ,
wherein the production material in the spatial region has a lower modulus of elasticity than the production material outside the spatial region.
9 . The method according to claim 1 ,
wherein the production of the dental restoration is carried out by means of a three-dimensional printing process.
10 . The method according to claim 9 ,
wherein the three-dimensional printing process uses a free-jet material deposition.
11 . A production device for producing a dental restoration, comprising:
a calculating processor for calculating a pressure distribution on an oral mucosa through the dental restoration based on a three-dimensional data set of the dental restoration and a three-dimensional data set of the oral mucosa; and
a determining processor for determining a spatial region for an elastic production material within the dental restoration based on the determined pressure distribution;
wherein the production device is configured to manufacture the dental restoration with the spatial region such that pain or discomfort when wearing the dental restoration is reduced.
12 . The production device according to claim 11 ,
wherein the calculating processor is configured to calculate the pressure distribution using a finite element method.
13 . The production device according to claim 11 ,
wherein the determining processor is configured to determine a thickness of the spatial region proportional to the pressure distribution on the dental restoration.
14 . The production device according to claim 10 ,
wherein the production device is configured to use a production material having a lower modulus of elasticity within the spatial region than outside the spatial region.
15 . The production device according to claim 11 , wherein the production device comprises a 3D printer.
16 . A method of producing a dental restoration, comprising the steps of:
calculating a pressure distribution on an oral mucosa through the dental restoration based on a three-dimensional data set of the dental restoration and a three-dimensional data set of the oral mucosa;
determining a spatial region for an elastic production material within the dental restoration based on the calculated pressure distribution; and
manufacturing the dental restoration with the spatial region by three-dimensional printing such that pain or discomfort when wearing the dental restoration is reduced.