Endodontic file

- Ormco Corporation
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Description

The file of this patent contains at least one drawing/photograph executed in color. Copies of this patent with color drawing(s)/photograph(s) will be provided by the Office upon request and payment of the necessary fee.

FIG. 1 is a front, right side isometric view of an endodontic file showing a first embodiment of my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front, right side isometric view of an endodontic file showing a second embodiment of my new design;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a left side elevational view thereof;

FIG. 12 is a right side elevational view thereof;

FIG. 13 is a top plan view thereof;

FIG. 14 is a bottom plan view thereof;

FIG. 15 is a front, right side isometric view of an endodontic file showing a third embodiment of my new design;

FIG. 16 is a front elevational view thereof;

FIG. 17 is a rear elevational view thereof;

FIG. 18 is a left side elevational view thereof;

FIG. 19 is a right side elevational view thereof;

FIG. 20 is a top plan view thereof; and,

FIG. 21 is a bottom plan view thereof.

The broken line showing of the endodontic file is for the purpose of illustrating environmental structure and forms no part of the claimed design.

Claims

I claim the ornamental design for an endodontic file, as shown and described.

Referenced Cited
U.S. Patent Documents
1022838 April 1912 Funk
2234330 March 1941 Zetzsche et al.
4396069 August 2, 1983 Ferber et al.
4457710 July 3, 1984 McSpadden
4605025 August 12, 1986 McSpadden
4706659 November 17, 1987 Matthews et al.
4727943 March 1, 1988 Wood
4889487 December 26, 1989 Lovaas
4904185 February 27, 1990 McSpadden
5035617 July 30, 1991 McSpadden
5051093 September 24, 1991 Fitzmorris
5067900 November 26, 1991 McSpadden
5083923 January 28, 1992 McSpadden
5104316 April 14, 1992 McSpadden
5275562 January 4, 1994 McSpadden
5380200 January 10, 1995 Heath et al.
5382161 January 17, 1995 Roane
5421727 June 6, 1995 Stevens et al.
RE35070 October 24, 1995 Fitzmorris
5464362 November 7, 1995 Heath et al.
RE35147 January 23, 1996 Apap et al.
5498158 March 12, 1996 Wong
5503554 April 2, 1996 Schoeffel
5503559 April 2, 1996 Vari
5503562 April 2, 1996 Mays
5527205 June 18, 1996 Heath et al.
5540766 July 30, 1996 Castellani
5575657 November 19, 1996 Welch
5586886 December 24, 1996 Roane
5588835 December 31, 1996 Kert
5595486 January 21, 1997 Manocha
5605460 February 25, 1997 Heath et al.
5628674 May 13, 1997 Heath et al.
5639239 June 17, 1997 Earle
5642998 July 1, 1997 Riitano
5655950 August 12, 1997 Heath et al.
5658145 August 19, 1997 Maillefer et al.
5658149 August 19, 1997 Munce
5713736 February 3, 1998 Heath et al.
5735689 April 7, 1998 McSpadden
5746597 May 5, 1998 Maillefer et al.
5752825 May 19, 1998 Buchanan
5759159 June 2, 1998 Masreliez
5762497 June 9, 1998 Heath
5762541 June 9, 1998 Heath et al.
5775903 July 7, 1998 Atkins
5775904 July 7, 1998 Riitano
5797747 August 25, 1998 Badoz et al.
5800165 September 1, 1998 Kirsch et al.
5807106 September 15, 1998 Heath
5833457 November 10, 1998 Johnson
5836764 November 17, 1998 Buchanan
5842861 December 1, 1998 Buchanan
5842862 December 1, 1998 Nissan
5855479 January 5, 1999 Wong et al.
5857852 January 12, 1999 Garman
5879160 March 9, 1999 Ruddle
5882198 March 16, 1999 Taylor et al.
5897316 April 27, 1999 Buchanan
5902106 May 11, 1999 McSpadden
5915964 June 29, 1999 Walia
5915970 June 29, 1999 Sicurelli, Jr. et al.
5919044 July 6, 1999 Sicurelli, Jr. et al.
5921775 July 13, 1999 Buchanan
5938440 August 17, 1999 McSpadden
5941705 August 24, 1999 Makris et al.
5941760 August 24, 1999 Heath et al.
5947730 September 7, 1999 Kaldestad
5967778 October 19, 1999 Riitano
5980250 November 9, 1999 McSpadden
5984679 November 16, 1999 Farzin-Nia et al.
6004133 December 21, 1999 Harrison, III
6024565 February 15, 2000 Sicurelli et al.
6028125 February 22, 2000 Combe et al.
6036490 March 14, 2000 Johnsen et al.
6042376 March 28, 2000 Cohen et al.
6053735 April 25, 2000 Buchanan
6074209 June 13, 2000 Johnson
6079979 June 27, 2000 Riitano
6106296 August 22, 2000 Johnson
6126521 October 3, 2000 Shearer et al.
6128966 October 10, 2000 Usui et al.
6132215 October 17, 2000 Prasad et al.
6149501 November 21, 2000 Farzin-Nia et al.
6155825 December 5, 2000 Fischer et al.
6155827 December 5, 2000 Euvrard
6171108 January 9, 2001 Roane
6174165 January 16, 2001 Katsuumi et al.
6197846 March 6, 2001 Combe et al.
6213771 April 10, 2001 Fischer
6231340 May 15, 2001 Kildea, Jr.
6293795 September 25, 2001 Johnson
6299445 October 9, 2001 Garman
6302691 October 16, 2001 Manzoli
6312255 November 6, 2001 Hudak
6312261 November 6, 2001 Mays
6315558 November 13, 2001 Farzin-Nia et al.
6331112 December 18, 2001 Lee
6334775 January 1, 2002 Xu et al.
6343929 February 5, 2002 Fischer
6358049 March 19, 2002 Cerniway
6371763 April 16, 2002 Sicurelli, Jr. et al.
6400801 June 4, 2002 Fischer et al.
6409506 June 25, 2002 Graybill
6413499 July 2, 2002 Clay
6419488 July 16, 2002 McSpadden et al.
6422865 July 23, 2002 Fischer
6428317 August 6, 2002 Abel
6428319 August 6, 2002 Lopez et al.
6431863 August 13, 2002 Sachdeva et al.
6447297 September 10, 2002 Lopez et al.
6464497 October 15, 2002 Landoz
6464498 October 15, 2002 Pond
6468079 October 22, 2002 Fischer et al.
6494713 December 17, 2002 Pond
6500004 December 31, 2002 Jensen et al.
6514076 February 4, 2003 Bleiweiss et al.
6520773 February 18, 2003 Weber
6520775 February 18, 2003 Lee
6575747 June 10, 2003 Riitano et al.
6579092 June 17, 2003 Senia et al.
6585513 July 1, 2003 Fischer
6589052 July 8, 2003 Wilcko
6638064 October 28, 2003 Nance
6638067 October 28, 2003 Fischer et al.
6644972 November 11, 2003 Mays
6652282 November 25, 2003 Jensen et al.
6712610 March 30, 2004 Abdennour et al.
6712611 March 30, 2004 Garman
6722882 April 20, 2004 Buchanan
6746245 June 8, 2004 Riitano et al.
6764306 July 20, 2004 DiMarino et al.
6783438 August 31, 2004 Aloise et al.
6877984 April 12, 2005 Tinnin
6881488 April 19, 2005 Giordano
6890134 May 10, 2005 Wagner et al.
6910887 June 28, 2005 Van Den Houdt
6921397 July 26, 2005 Corcoran et al.
6924325 August 2, 2005 Qian
6926526 August 9, 2005 Hudak
6932505 August 23, 2005 Yao et al.
6932605 August 23, 2005 McLean et al.
6942484 September 13, 2005 Scianamblo
6948935 September 27, 2005 Nusstein
6955536 October 18, 2005 Buchanan
6966774 November 22, 2005 Brock et al.
6968229 November 22, 2005 Siemons
6968619 November 29, 2005 Lewis et al.
6986662 January 17, 2006 Haschke
6991457 January 31, 2006 Kazen et al.
7008223 March 7, 2006 Deutsch
7018205 March 28, 2006 Abel
RE39174 July 11, 2006 Buchanan
7086864 August 8, 2006 Lopez et al.
7090499 August 15, 2006 Mays
7094055 August 22, 2006 Senia et al.
7094056 August 22, 2006 Scianamblo
7097454 August 29, 2006 Oh
7121827 October 17, 2006 Lampert
7147469 December 12, 2006 Garman
7163401 January 16, 2007 Karmaker et al.
7168952 January 30, 2007 Karmaker et al.
7172421 February 6, 2007 Bina et al.
7198486 April 3, 2007 Cox
7204874 April 17, 2007 Jia et al.
7207111 April 24, 2007 Aloise et al.
7223100 May 29, 2007 Brock et al.
7226288 June 5, 2007 Schoeffel
7232309 June 19, 2007 Tse
7238342 July 3, 2007 Torabinejad et al.
7252508 August 7, 2007 Karmaker et al.
7261561 August 28, 2007 Ruddle et al.
7261562 August 28, 2007 Wagner et al.
7261563 August 28, 2007 Haschke
7270541 September 18, 2007 Johnson
7275932 October 2, 2007 Jin et al.
7300281 November 27, 2007 Cantatore et al.
7311522 December 25, 2007 Graybill et al.
7322105 January 29, 2008 Lewis
7331787 February 19, 2008 Abdennour et al.
7338284 March 4, 2008 Lampert
7367804 May 6, 2008 Lewis
7398598 July 15, 2008 Lewis et al.
7402040 July 22, 2008 Turri
7413563 August 19, 2008 Corcoran et al.
7435086 October 14, 2008 Berutti
7448867 November 11, 2008 Aloise et al.
7481652 January 27, 2009 Senia et al.
7498367 March 3, 2009 Qian
7625364 December 1, 2009 Corcoran et al.
7648599 January 19, 2010 Berendt
7665212 February 23, 2010 Lewis et al.
7665991 February 23, 2010 Kert
7669332 March 2, 2010 Senia et al.
7677296 March 16, 2010 Mason
7677892 March 16, 2010 Aleksandrovskiy et al.
7682445 March 23, 2010 Hermansson et al.
7713059 May 11, 2010 Hof et al.
7731498 June 8, 2010 McSpadden
7740480 June 22, 2010 Badoz et al.
7743505 June 29, 2010 Lewis et al.
7766657 August 3, 2010 Jaunberzins
7771198 August 10, 2010 Euvrard et al.
7779542 August 24, 2010 Aloise et al.
7785174 August 31, 2010 Badoz et al.
7806690 October 5, 2010 Heath et al.
7828550 November 9, 2010 Wagner et al.
7833015 November 16, 2010 Tuttle et al.
7833016 November 16, 2010 Gharib et al.
7833017 November 16, 2010 Hof et al.
7863349 January 4, 2011 Tuttle et al.
7891977 February 22, 2011 Riva
7942961 May 17, 2011 Asgary
7946849 May 24, 2011 Abdennour et al.
7955078 June 7, 2011 Scianamblo
7959441 June 14, 2011 Glover et al.
7967605 June 28, 2011 Goodis
7977406 July 12, 2011 Hsieh et al.
7980853 July 19, 2011 Riitano
8002544 August 23, 2011 Rizoiu et al.
8043088 October 25, 2011 Johnson
8047842 November 1, 2011 Johnson
8062033 November 22, 2011 Luebke
8075874 December 13, 2011 Torabinejad et al.
8083873 December 27, 2011 Luebke
8088838 January 3, 2012 Hsieh et al.
8105085 January 31, 2012 Heath et al.
8109763 February 7, 2012 Levy et al.
8128627 March 6, 2012 Justin et al.
8152743 April 10, 2012 Mâitre et al.
8182265 May 22, 2012 McSpadden
8215955 July 10, 2012 Lee
8215960 July 10, 2012 Wagner et al.
8221117 July 17, 2012 Rizoiu et al.
8230994 July 31, 2012 Johnsen et al.
8235719 August 7, 2012 Ruddle et al.
8268278 September 18, 2012 Boudeville et al.
8328552 December 11, 2012 Ruddle et al.
8348863 January 8, 2013 Gamba et al.
8388345 March 5, 2013 Ruddle
8393899 March 12, 2013 Heath et al.
8408901 April 2, 2013 Buchanan
8413330 April 9, 2013 Johnson
8430879 April 30, 2013 Stoneburner et al.
8439682 May 14, 2013 Heath et al.
8454361 June 4, 2013 Scianamblo
8474635 July 2, 2013 Johnson
8496476 July 30, 2013 Scianamblo
8496658 July 30, 2013 Stoneburner et al.
8506293 August 13, 2013 Pond
8506985 August 13, 2013 Garcia De Castro Andrews et al.
RE44509 September 24, 2013 Pond
8562341 October 22, 2013 Luebke
8568142 October 29, 2013 Rzhanov et al.
8602779 December 10, 2013 Simons
8614263 December 24, 2013 Mante et al.
8644978 February 4, 2014 Heath et al.
8647116 February 11, 2014 Becker et al.
8702709 April 22, 2014 Osman
8703294 April 22, 2014 Zhang et al.
RE44917 May 27, 2014 Tuttle et al.
8714976 May 6, 2014 Johnson
8714978 May 6, 2014 Bomschulte
8727772 May 20, 2014 Jaunberzins
8727773 May 20, 2014 Luebke
8753120 June 17, 2014 Pitel
8753121 June 17, 2014 Gharib et al.
8789444 July 29, 2014 Johnson
8790116 July 29, 2014 Becker et al.
8797991 August 5, 2014 Diachina et al.
8827705 September 9, 2014 Schoeffel
8876991 November 4, 2014 Luebke
8882504 November 11, 2014 Scianamblo
8911573 December 16, 2014 Heath et al.
8916009 December 23, 2014 Ammon et al.
8926949 January 6, 2015 Dayanim
8932055 January 13, 2015 Armanino
8932056 January 13, 2015 Scianamblo
8960576 February 24, 2015 Torabinejad et al.
9000332 April 7, 2015 Brown
9005377 April 14, 2015 Heath et al.
9033706 May 19, 2015 Lee et al.
9041323 May 26, 2015 Brown et al.
9078722 July 14, 2015 Johnson
9084651 July 21, 2015 Laufer
9101427 August 11, 2015 Globerman et al.
9101436 August 11, 2015 Chow et al.
9138299 September 22, 2015 Van Lierde et al.
9351803 May 31, 2016 Scianamblo
9662181 May 30, 2017 Scianamblo
9795459 October 24, 2017 Heath et al.
9878366 January 30, 2018 Johnson
9902025 February 27, 2018 Shotton et al.
9931179 April 3, 2018 Rouiller
20020006599 January 17, 2002 Davidson
20020137008 September 26, 2002 McSpadden et al.
20030029474 February 13, 2003 Gibbs et al.
20030077553 April 24, 2003 Brock
20030156980 August 21, 2003 Fischer et al.
20040023186 February 5, 2004 McSpadden
20040191723 September 30, 2004 Shearer et al.
20040219484 November 4, 2004 Scianamblo
20040219485 November 4, 2004 Scianamblo
20040243143 December 2, 2004 Corcoran et al.
20050043711 February 24, 2005 Corcoran et al.
20050080400 April 14, 2005 Corcoran et al.
20050118550 June 2, 2005 Turri
20050266375 December 1, 2005 Brock et al.
20050287498 December 29, 2005 Schoeffel
20060068362 March 30, 2006 Desrosiers
20060216668 September 28, 2006 Scianamblo
20060228668 October 12, 2006 McSpadden
20060228669 October 12, 2006 Scianamblo
20060265858 November 30, 2006 McSpadden
20060281047 December 14, 2006 Badoz et al.
20070054238 March 8, 2007 Hof et al.
20070059663 March 15, 2007 Scianamblo
20070116532 May 24, 2007 Lewis
20070137742 June 21, 2007 Hao et al.
20070178426 August 2, 2007 Brock et al.
20080153055 June 26, 2008 Senia
20080213720 September 4, 2008 Lewis et al.
20080287951 November 20, 2008 Stoneburner et al.
20090076511 March 19, 2009 Osman
20090216232 August 27, 2009 Buford, III et al.
20090228007 September 10, 2009 Justin et al.
20090228008 September 10, 2009 Justin et al.
20100003637 January 7, 2010 Johnson
20100092922 April 15, 2010 Ruddle
20100233648 September 16, 2010 McSpadden et al.
20100255442 October 7, 2010 McSpadden
20110159458 June 30, 2011 Heath et al.
20110217673 September 8, 2011 Scianamblo
20110271529 November 10, 2011 Gao et al.
20120107766 May 3, 2012 Borgschulte
20120219927 August 30, 2012 Maxwell et al.
20120231413 September 13, 2012 McSpadden et al.
20130006245 January 3, 2013 Stoneburner et al.
20130079829 March 28, 2013 Globerman et al.
20130244200 September 19, 2013 Rota
20130273497 October 17, 2013 Scianamblo
20130296863 November 7, 2013 Globerman et al.
20130296952 November 7, 2013 Globerman et al.
20130302749 November 14, 2013 Scianamblo
20130325007 December 5, 2013 Beyar et al.
20140004480 January 2, 2014 Breguet
20140045142 February 13, 2014 Becker et al.
20140057226 February 27, 2014 Buchanan
20140315147 October 23, 2014 Borgschulte
20150024342 January 22, 2015 Jaunberzins
20150044631 February 12, 2015 Lifshitz et al.
20150072307 March 12, 2015 Scianamblo
20150125811 May 7, 2015 Lifshitz et al.
20150164614 June 18, 2015 Shotton et al.
20150164615 June 18, 2015 Shotton et al.
20150164617 June 18, 2015 Ammon et al.
20150173853 June 25, 2015 Scianamblo
20150216624 August 6, 2015 Shotton et al.
20160008092 January 14, 2016 Heath et al.
20160256237 September 8, 2016 Lee
20170156818 June 8, 2017 Aloise et al.
20170362694 December 21, 2017 Luebke
20180008374 January 11, 2018 Rota et al.
20180028280 February 1, 2018 Scianamblo
20180036789 February 8, 2018 Luebke
20180049845 February 22, 2018 McSpadden
20180085195 March 29, 2018 Rouiller
20180110588 April 26, 2018 Aloise
20180125609 May 10, 2018 Malagnino
20180142377 May 24, 2018 Gao et al.
20180177568 June 28, 2018 Breguet et al.
Foreign Patent Documents
84115 May 1921 AT
503433 October 2007 AT
2008/228710 September 2008 AU
2009291863 March 2010 AU
1296708 March 1992 CA
2477098 September 2003 CA
2678911 September 2008 CA
2725324 November 2009 CA
2784175 March 2010 CA
704235 June 2012 CH
704706 September 2012 CH
1642493 July 2005 CN
1917826 February 2007 CN
1964679 May 2007 CN
100418491 September 2008 CN
101636119 January 2010 CN
201453385 May 2010 CN
102215772 October 2011 CN
1917826 July 2012 CN
103200887 July 2013 CN
103458818 December 2013 CN
103561676 February 2014 CN
104080420 October 2014 CN
104582630 April 2015 CN
204386492 June 2015 CN
202013006514 November 2013 DE
1478301 July 2010 DK
0522130 January 1993 EP
0691826 January 1996 EP
0902661 March 1999 EP
1075228 February 2001 EP
1196109 April 2002 EP
1708638 October 2006 EP
1709934 October 2006 EP
2438884 April 2012 EP
2438884 February 2013 EP
2699189 February 2014 EP
2342930 July 2010 ES
2363981 August 2011 ES
2798277 March 2001 FR
2971932 August 2012 FR
261137 August 2007 IN
1222/MUMNP/2014 March 2015 IN
4443934 August 2005 JP
2005525155 August 2005 JP
2010/522046 July 2010 JP
2011/521718 July 2011 JP
4782698 July 2011 JP
4813486 November 2011 JP
2012501762 January 2012 JP
2014533557 December 2014 JP
5768190 August 2015 JP
1020110050563 May 2011 KR
2011113964 October 2012 RU
2013150909 October 2015 RU
WO88/05492 July 1988 WO
WO9211833 July 1992 WO
WO9307828 April 1993 WO
WO9314714 August 1993 WO
WO9740771 November 1997 WO
WO9803126 January 1998 WO
WO0051516 September 2000 WO
WO0103601 January 2001 WO
WO03015652 February 2003 WO
WO03071978 September 2003 WO
WO2004091422 October 2004 WO
WO2004098434 November 2004 WO
WO2004098438 November 2004 WO
WO2004/105855 December 2004 WO
WO2005070320 August 2005 WO
WO2005122943 December 2005 WO
WO2006/041612 April 2006 WO
WO2006/042043 April 2006 WO
PCT/2006/01487/MUM May 2007 WO
PCT/2006/03358/DEL August 2007 WO
WO2008/116175 September 2008 WO
WO2009/143374 November 2009 WO
WO2010/030668 March 2010 WO
WO2011/154891 December 2011 WO
WO2012045455 April 2012 WO
WO2012079183 June 2012 WO
WO2012/107913 August 2012 WO
WO2012114052 August 2012 WO
WO2012126128 September 2012 WO
WO2012143918 October 2012 WO
WO2013074896 May 2013 WO
WO2013076717 May 2013 WO
WO2013109923 July 2013 WO
WO2013157000 October 2013 WO
WO2014/141241 September 2014 WO
WO2014/185887 November 2014 WO
WO2014205411 December 2014 WO
WO2015059707 April 2015 WO
WO2015059707 June 2015 WO
WO2015108621 July 2015 WO
WO2018/105997 June 2018 WO
Other references
  • “Rotary Instrumentation: An Endodontic. Perspective,” American Association of Endodontics, Winter 2008.
  • Y. Yahata et al, International Endodontic Journal 42, 621-626: “Effect of Heat Treatment on Transformation Temperatures and Bending Properties of Nickel-Titanium Endodontic Instruments,” Jun. 1, 2009.
  • Dr. Mohammed Alshehri, “Medical Endodontic Instrumentation,” http://www.endoexperience.com/documents/RotationReciprocationorcombination.pdf, Available as of Oct. 21, 2012.
  • “Vortex Blue Rotary Files,” Dentsply Tulsa Dental Specialties, 2012.
  • “Ahead of the Curve: Using New Technology & Metallurgy to Address Endodontic Challenges,” https://www.oralhealthgroup.com/features/ahead-of-the-curve-using-new-technology-metallurgy-to-address-endodontic-challenges/, May 1, 2014.
  • Ashok Ayer, “Nickel Titanium in Endodontics,” https://www.slideshare.net/ashokayer/nickel-titanium-in-endodontics, Aug. 31, 2014.
  • “Surf the Canal with Confidence Wave One Gold,” Dentsply Tulsa Dental Specialties, Apr. 2015.
  • “Nickel Titanium,” https://en.wikipedia.org/wiki/Nickel_titanium, Wikimedia Foundation, Inc., Retrieved on Sep. 30, 2016.
  • “R-Phase,” https://en.wikipedia.org/w/index.php?title=R-Phase&printable=yes, Wikimedia Foundation, Inc., Retrieved on Oct. 5, 2016.
  • “What is the Difference Between the Rake Angle and Cutting Angle?” http://www.endoexperience.com/filecabinet/Clinical%20Endodontics/Instruments%20-%20Files/McSpadden%20Discussions/rake%20and%20cutting%20angle.pdf, Retrieved on Dec. 5, 2016.
  • Furopean Patent Office Extended Search Report in European Patent Application No. 16202063.0, dated May 16. 2017.
  • International Search Report in Application No. PCT/US2017/025854, dated Jul. 31, 2017.
  • Written Opinion in Application No. PCT/US2017/025854, dated Jul. 31, 2017.
  • European Patent Office Examination Report in European Patent Application No. 16202063.0, dated Apr. 23, 2018.
  • Extended European Search Report in Application No. 17197635.0, dated Jun. 13, 2018.
  • Dr. Barbara Muller, “A Short History of the NiTi File Revolution,” https://www.dental-tribune.com/clinical/a-short-histary-of-the-niti-file-revolution/, May 24, 2016.
Patent History
Patent number: D842474
Type: Grant
Filed: Oct 20, 2017
Date of Patent: Mar 5, 2019
Assignee: Ormco Corporation (Orange, CA)
Inventor: Carlos A. Aloise (Alta Loma, CA)
Primary Examiner: Wan Laymon
Application Number: 29/622,889
Classifications
Current U.S. Class: Dental (33) (D24/152)