US1665154A - Support for yieldable dentures - Google Patents

Support for yieldable dentures Download PDF

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Publication number
US1665154A
US1665154A US757559A US75755924A US1665154A US 1665154 A US1665154 A US 1665154A US 757559 A US757559 A US 757559A US 75755924 A US75755924 A US 75755924A US 1665154 A US1665154 A US 1665154A
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Prior art keywords
post
socket
backing
tooth
support
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Expired - Lifetime
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US757559A
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Withycombe Robert Morse
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Individual
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00Dental prostheses; Making same
    • A61C13/10Fastening of artificial teeth to denture palates or the like
    • A61C13/1026Shock absorbers

Definitions

  • One of the objectsjof the invention is; the provision of an approved artificial tooth and the, construction of a combined relativelyswivelled post'and backing, for use in conjunction therewith.
  • Figure 1 is, a'perspective view of one form of the combined backing and swivelled post, used with my approved resilient tooth.
  • Figure 2 is a similar view Figures 3 and i are respectively cross sections taken at right angles showing a resilient tooth and embodying that form of the invention shown in Figure 1. i
  • Figures 6 and 7 arerespectively cross sec-1 tionalviews taken at right angles of a resilienttooth provided with that-form of back ing shown in Figure Q, parts being broken away.
  • j p c Figure 8- is a plan view of the structure shown in Figure 6, parts being broken away.
  • the numeral. 1 represents a backing foruse with a tube tooth of the type designated by t-hereference character 50 in Figures 3'and 4.
  • Said backing may bemade in any suitable'manner but is most readily constructed by bending a sheet of metal, preferably a royal metal, into a dihedral angle as shown, andit-hen drilling, punching or otherwise producin'g'the aperture 2 in said backing adjacent the apex of said dihedral angle. 1 If the drilling or punching is done from within theanglethe metal constituting'the edges of the aperture becomes off-set as shown at3, forming with the assistanceof the sides o'fsaid dihedral angle a socket 14 for the reception of a post 4, said post being preferably threaded at its outer end as at 5 and having a head 6 seated to hold the post-in place.
  • the socket is provided with a bottom wall constituted in any suitable manner as by a piece of sheet metal 7 soldered to the underside of the bent sheet 1; It may be desirable to introduce the post 4 loosely in said socket and of greater diameter into thesocket before the sheet 7 issoldered' v in place,but'insome instances it is preferred 66 F to insert the post in the completed socket by sliding the head thereof througha cut-away portion 8' of the" wall of said aperture, afterwards closing said cut-away portion by a" drop of solder,-orif thought necessary, preferably leavingit open andrelying upon the rubber which around the head of the postwit'hin the socket,
  • ' tom wall 19 of the socket which corresponds I to'the wall 7 of the socket shown in the first 7 described form of the invention is provided with lanaperture 20 the .head 18 of :the post. Said aperture is intended for the insertion of 'a screw-drifver, ace
  • a support for artificial teeth comprising a backing formedwith a socket, a post having a head loosely mountec in said socket being formed" for may ing formed with anfaperture tool to said post.
  • a support for artificial teeth compris 1 ing a backing, a post swivelly carried by said backingand oscillatable about a point substantially coincident with the point of emergence of said post from said backing and a cushion of elastic material filling the and the wall of said socket.
  • a support for artificial teeth comprising a backing, a post swivelly carried by said backing and oscillatable about a point substantially coincident with the pointy of emergence of said post from said backing and a cushion of; elastic material filling the d and the wall of. said Walla v 5;
  • a support fol-artificial teeth comprising a backing formed with a socket, a post having a head loosely mounted insaid socket and formed for engagement with a tool'for rotating said post, a cushion of rubber. between said 'head and the walls of said socket, a. sleeve: interengaging.
  • said sleeve being adapted to porcelain element of the denture, ingbeing formed with an aperture opening into" said socket for giving access ofthe r0 tating tool to said post.
  • p i r 6; 'An artificial tooth be secured in the.
  • said'back 7 comprising a backing.
  • An artificial tooth comprising a porcelic sleeve fixed in said post forming a support for said element en' gageable with said sleeve and a resilient backing for said element to which said post 7 in compressed relation. toward said backing and porcelain element.
  • o 1 tooth in movable rela- V7 is swivelly mounted so as to be able to deviate from the perpendicular to said backmg.
  • An artificial tooth having a recess in 3 its gingival end, a post aperture opening at the bottom in said recess directed toward the incisal and inasticatory end ofthe tooth, and terminating shortvof said end, an internally threaded metallic sleeve fixed in said aperture, a backing having a socket, a

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Prosthetics (AREA)

Description

April 3, 1928. 1 1,665,154
R. M. WITHYCOMBE SUPPORT FOR YIELDABLE DEN'IURES Fild Dec. 22, 1924 Norma modification.
ing application #7 17 ,926 filed Nov.
Patented Apr. 3, 1928 1,665,154 res- [PArENr O CE;
ROBERT MORSE wimnyooiunn, 0F SYDNEY, nnwson'rn war-ins, AUSTRALIA. u I
surroa'r on YIELDABLE DENT'URES.
'This' invention relatesto supports for" yieldable dentures, and while primarily an improvement of certain features of the invention disclosed andclaimed in my peId- 5, 19 4, it has a broad field of uses'some of which are disclosed or suggested in the present specification. I
One of the objectsjof the invention is; the provision of an approved artificial tooth and the, construction of a combined relativelyswivelled post'and backing, for use in conjunction therewith. 3
'Ot-her objects. of the invention will reveal themselves as-the following description of certain preferredembodiments thereof pro ceeds. w
In the drawings Figure 1 is, a'perspective view of one form of the combined backing and swivelled post, used with my approved resilient tooth.
Figure 2 is a similar view Figures 3 and i are respectively cross sections taken at right angles showing a resilient tooth and embodying that form of the invention shown in Figure 1. i
:F'gure 5 's a'plan view from beneath'of the structure shown in Figure 3.
Figures 6 and 7 arerespectively cross sec-1 tionalviews taken at right angles of a resilienttooth provided with that-form of back ing shown in Figure Q, parts being broken away. j p c Figure 8- is a plan view of the structure shown in Figure 6, parts being broken away. Referring now in detail to the several figures,1the numeral. 1 represents a backing foruse with a tube tooth of the type designated by t-hereference character 50 in Figures 3'and 4. Said backing may bemade in any suitable'manner but is most readily constructed by bending a sheet of metal, preferably a royal metal, into a dihedral angle as shown, andit-hen drilling, punching or otherwise producin'g'the aperture 2 in said backing adjacent the apex of said dihedral angle. 1 If the drilling or punching is done from within theanglethe metal constituting'the edges of the aperture becomes off-set as shown at3, forming with the assistanceof the sides o'fsaid dihedral angle a socket 14 for the reception of a post 4, said post being preferably threaded at its outer end as at 5 and having a head 6 seated to hold the post-in place.
showing another plied to the threaded Application filed December 22, 1924. Serial no; 757,559.
than theIaperture 2 so that it may not escapetherethrough. The socket is provided with a bottom wall constituted in any suitable manner as by a piece of sheet metal 7 soldered to the underside of the bent sheet 1; It may be desirable to introduce the post 4 loosely in said socket and of greater diameter into thesocket before the sheet 7 issoldered' v in place,but'insome instances it is preferred 66 F to insert the post in the completed socket by sliding the head thereof througha cut-away portion 8' of the" wall of said aperture, afterwards closing said cut-away portion by a" drop of solder,-orif thought necessary, preferably leavingit open andrelying upon the rubber which around the head of the postwit'hin the socket,
stood that the loose fit'of the head 6 within the socket permits the :postto partakeof a limited oscillatory movement in all directions. The threaded post is inserted through the aperture in a tube tooth as is indicated in Figures 3 and 4,*the' nut 9 being then apendof said post and screwed thereupon in order to bring the; porcelain element of the tooth into properv relationwith said backing, "the gingival end. of the porcelain element being recessed so as to surround a cushion '10 of rubber orother suitable "elastic substance. The screw ing on of the nut has the effect ofputting the rubber under suitable compression. In the construction illustrated in Figures 3=and 4 the rubber extends in a thinlayer beneath the'gingival' edge of size and shapev so that the edges can. be turned up by the dentist It is to be understood that while the burloo nishing of the upturnedsides' of-the' back-f ing 1 against the porcelain element-initially orms a socket closely. engaging saidpor'celain element, a few masticatory. actions of the tooth will serve -'to' spread the walls of 105 it the socket sufliciently-toqpermit the functioning of the resilient properties of the den-'- ture; A tooth thus formed'is not complete without a processof vulcanizationby which the rubber or its equivalent makes close ad- 110 '7 0, will afterward be vulcanized v i It is to-be underthe tooth-as shown at 1'1 and the sheet 1 is then cut to a suitable as shown at: 12 in: Fig ure3 and burnishedagainst thesides of the porcelain element, completely concealing the. I
fore vulcanizing,
liesion with the, walls 12 ofthe socket preventing the access of saliva tothe relatively movable parts of the denture support. Be: it is preferred to pack soft vulcaniiable I rubber, indicated at 39,
into the socket through the apertureQ. This,
forms a resilient cushion invention shown. in Fig ures to 5 inclusive it is found necessary to iprevent complete rotation of the postA: with in the {socket so that the nut'9 may be screwed home. ment ofthe post the head 6 and socket'are formednwith non-circular corresponding di mensions, asshown in Figure 5, so that the post cannot be turned because of engagement of the head thereof with the walls of the i socket'l km Itis generally preferred to make the tooth .imperforate on the ooclusal or masticatory' face. A tooth "of this type is indicated in Figure iGin which the porcelain element 15 isapertured for only a portion of its length, theaperture opening in a recess onthe gingival face of the tooth and extending toward,
but terminating short of the occlusal face thereof. An internally preferably of metal, is soldered or otherwise suitably secured in said aperture, with which sleeve the threaded end of the post 17 en gages. The basein this instance must be rotatable, and to this endthe socket and the head' l8 being formed on itslower with :a kerf22. The post is inserted inthe made as to per- Ihe bothead 18 of the post areso mit relative rotation of the parts.
' tom wall 19 of the socket, which corresponds I to'the wall 7 of the socket shown in the first 7 described form of the invention is provided with lanaperture 20 the .head 18 of :the post. Said aperture is intended for the insertion of 'a screw-drifver, ace
socket infany suitable manner as in the first described modification. The porcelain ele- I the denture ment is then placed with the sleeve "16 in line with the post and the latter is rotated by" means of the screw-driver, drawing the porcelain element 15 down into proper relation with respect to the rubber cushion. on which The void within'the socket is filled rubber being preferably as between the socket walls and stemof the post. It-may be desirable before subjecting to vulcanization to plug. the aperture '20 with solder, hard rubber or any suitable substance V Having described my invention claim 'as new anddesire to secure by Letters 1 Patent, is
13A support for artificial teeth comprising a backing formed tive to said backing,
' to-permit said post to by which it To inhibit the rotary. moveelement of the tooth, said post being ad space between. said head threaded sleeve 16, i
' space between said heat socket and in adherence with said head and.
slightly smaller than 7 what I post carried by said backing having a head loosely mounted in said socket to permit said post to deviate from the perpendicular, relasaid post being adapted rigidly to support a tion relative to said backing. I r
.. v 2. A support for artificial teeth comprising a backing formedwith a socket, a post having a head loosely mountec in said socket being formed" for may ing formed with anfaperture tool to said post.
H opening into "sald socket for giving access of a rotat ng with a socket and a v deviate from theiper-, pendicular, relative to said socket, said post engagement with a tool I be rotated, a sleeve interengaging with said post, said sleevebeing 30 within a, p'orcelainj 3.. A support for artificial teeth compris 1 ing a backing, a post swivelly carried by said backingand oscillatable about a point substantially coincident with the point of emergence of said post from said backing and a cushion of elastic material filling the and the wall of said socket. f i
4. A support for artificial teeth comprising a backing, a post swivelly carried by said backing and oscillatable about a point substantially coincident with the pointy of emergence of said post from said backing and a cushion of; elastic material filling the d and the wall of. said Walla v 5; A support fol-artificial teeth compris ing a backing formed with a socket, a post having a head loosely mounted insaid socket and formed for engagement with a tool'for rotating said post, a cushion of rubber. between said 'head and the walls of said socket, a. sleeve: interengaging. with said post, said sleeve being adapted to porcelain element of the denture, ingbeing formed with an aperture opening into" said socket for giving access ofthe r0 tating tool to said post. p i r 6; 'An artificial tooth be secured in the.
said'back 7 comprising a backing.
no i
formed with; a socket, a-post having ahead 7 loosely mounted in said socket, a porcelain element carried by said post, an elastic.
cushion between. said porcelainelement' and:
backing and means on said post for maintaining said cushion 7. An artificial tooth comprising a porcelic sleeve fixed in said post forming a support for said element en' gageable with said sleeve and a resilient backing for said element to which said post 7 in compressed relation. toward said backing and porcelain element.
o 1 tooth in movable rela- V7 is swivelly mounted so as to be able to deviate from the perpendicular to said backmg.
8. An artificial tooth having a recess in 3 its gingival end, a post aperture opening at the bottom in said recess directed toward the incisal and inasticatory end ofthe tooth, and terminating shortvof said end, an internally threaded metallic sleeve fixed in said aperture, a backing having a socket, a
post rotatable in said socket engageable withv said sleeve and an elastic cushion in the space between said recess and backing, said cushion surrounding the joint between said post and socket.
my hand.
ROBERT MORSE WITHYCQMBE.
, j 15 In testimony whereof I have hereunto set
US757559A 1924-12-22 1924-12-22 Support for yieldable dentures Expired - Lifetime US1665154A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2574810A (en) * 1950-04-22 1951-11-13 Earl W Baumgardner Artificial tooth
US3343262A (en) * 1965-02-01 1967-09-26 Burg Bernard Artificial denture
US5211561A (en) * 1991-05-28 1993-05-18 Metaux Precieux Sa Metalor Coupling device for dental prothesis

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2574810A (en) * 1950-04-22 1951-11-13 Earl W Baumgardner Artificial tooth
US3343262A (en) * 1965-02-01 1967-09-26 Burg Bernard Artificial denture
US5211561A (en) * 1991-05-28 1993-05-18 Metaux Precieux Sa Metalor Coupling device for dental prothesis

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