Equipment for treatment of a person

Abstract

It is provided an equipment for treatment of a person, wherein the equipment is configured to achieve a target denture geometry characterized by a target denture plane ( 3 ), the target denture plane lying parallel to an internal ear line ( 11 ) through a left internal ear point ( 7 ) and a right internal ear point ( 9 ) of the person. Further, a manufacturing method is provided.

1 . Equipment for treatment of a person,
 wherein the equipment is configured to achieve a target denture geometry characterized by a target denture plane,   the target denture plane lying parallel to an internal ear line through a left internal ear point and a right internal ear point of the person.   
     
     
         2 . Equipment according to  claim 1 , wherein an auxiliary plane is determined based on:
 a left triangle plane of a left triangle defined by the left internal ear point, the right internal ear point and a left eye point of a left eye, and/or on   a right triangle plane of a right triangle defined by the left internal ear point, the right internal ear point and a right eye point of a right eye,   the internal inner ear line lying within the auxiliary plane,   wherein the auxiliary plane rotated around a rear rotation axis being parallel to the internal ear line about an angle between 11° and 17° downwards results in the target denture plane.   
     
     
         3 . Equipment according to  claim 1 , wherein
 an orientation of the auxiliary plane is determined as an average of an orientation of the left triangle plane and an orientation of the right triangle plane.   
     
     
         4 . Equipment according to  claim 1 , wherein the rear rotation axis is obtained by:
 constructing a connecting line intersecting the internal ear line in the middle between the left internal ear point and the right internal ear point and intersecting an eye line in the middle between the left eye point and the right eye point;   obtaining an connection length of the connecting line between the internal ear line and the eye line;   extending the connecting line towards the rear by between 1.7 and 2.3 times the connection length;   the end of the extended connecting line defining the position of the rear rotation axis ( 23 ).   
     
     
         5 . Equipment according to  claim 1 , wherein the auxiliary plane is rotated around the internal ear line, or an axis parallel to the internal ear line, about an angle between 11° and 17° downwards and translated, in particular downwards, to obtain the target denture plane. 
     
     
         6 . Equipment according to  claim 1 , the target denture geometry being further defined by a target geometry of an upper teeth arch and a lower teeth arch such that, in each teeth arch, teeth are positioned such that a teeth connecting line connecting symmetry related teeth in the lower teeth arch or the upper teeth arch is parallel to the internal ear line,
 wherein the target geometry of the upper teeth arch and the lower teeth arch may be achieved step by step including one or more intermediate geometries.   
     
     
         7 . Equipment according to  claim 1 , the left eye point being one of:
 a location of the cornea of the left eye;   a location of the left eyeball,   the right eye point being a location of the corresponding anatomical structure of the right eye.   
     
     
         8 . Equipment according to  claim 1 , wherein the equipment comprises at least one of a set of intermediate equipment portions that are configured to achieve the target denture geometry having the target denture plane starting form a start denture geometry characterized by a start denture plane in plural stages involving successively achieving transitional denture planes that are between the start denture plane and the target denture plane. 
     
     
         9 . Equipment according to  claim 1 , wherein the equipment is configured to achieve the target denture geometry having the target denture plane starting form a start denture geometry characterized by a start denture plane in one stage without achieving transitional denture planes. 
     
     
         10 . Equipment according to  claim 1 , wherein the target denture geometry is characterized by chewing surfaces of teeth approximately lying in the target denture plane but deviating downwards from the target denture plane in a middle region between the incisor teeth and the last molar tooth. 
     
     
         11 . Equipment according to  claim 1 , being configured:
 to readjust a position of at least one tooth in the upper jaw and/or lower jaw; or   to be implanted in the upper jaw and/or lower jaw; or   to be attached as supplement to at least one tooth or an inserted artificial pin in the upper jaw and/or lower jaw; or   to replace at least one tooth in the upper jaw and/or lower jaw.   
     
     
         12 . Equipment according to  claim 1 , wherein the equipment comprises at least one of:
 a dental auxiliary structure, a dental brace, a dental retainer, a bracket, a dental aligner, a bore pattern, a bore model, a boring template, an overdenture, an overlay prothesis, a dental prothesis, a transitional dental prothesis, a dental crown, an inlay, a dental filling, an artificial tooth, an implant.   
     
     
         13 . Equipment according to  claim 1 , wherein the left internal ear point is a location of an anatomical structure within the middle ear or the inner ear,
 the left internal ear point being different from a location of an entry into the left outer ear canal, and   the right internal ear point being the location of the corresponding anatomical structure of the right ear.   
     
     
         14 . Method for arranging equipment for treatment of a person, the method comprising:
 measuring a left internal ear point and a right internal ear point of the person;   defining an internal ear line through the left internal ear point and the right internal ear point;   defining a target denture plane lying parallel to the internal ear line; and   configuring the equipment such that applying the equipment to the person achieves a target denture geometry characterized by the target denture plane.   
     
     
         15 . Method according to  claim 14 , at least partly implemented in software and including:
 displaying, on a display screen, at least one of the left internal ear point, the right internal ear point, the internal ear line, a left eye point, a right eye point, an auxiliary plane, the target denture plane on a screen.   
     
     
         16 . Method according to  claim 15 , 
       further comprising:
 supplying data defining the target denture plane to a 3D printer; and 
 manufacturing the equipment using the manufacturing system. 
 
     
     
         17 . Method according to  claim 15 , wherein
 that what is displayed on the display screen is superimposed with imaging data relating to the skull of the person.   
     
     
         18 . Equipment according to  claim 13 ,
 wherein the left internal ear point is one of:
 a location of the left eardrum, 
 a location of the left chochlea, 
 a location of a left ear bone or ossicle directly or indirectly connected to the left eardrum, 
 a location of the utricle or the saccule of the left inner ear, 
 a location of the malleus or hammer of the left ear, 
 a location of the incus of the left ear.