US 20070160958A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2007/0160958 A1 Belikov et al. (43) Pub. Date: Jul. 12, 2007 (54) METHOD AND APPARATUS FOR TOOTH Publication Classi?cation REJUVENATION AND HARD TISSUE MODIFICATION (51) Int. Cl. A61C 5/00 (2006.01) (76) Inventors: Andrei V. Belikov, St. Petersburg (RU); (52) Us. or. ............................................................ ..433/215 Gregory Altshuler, Lincoln, MA (U S) Correspondence Address: (57) ABSTRACT HOUSTON ELISEEVA 4 MILITIA DRIVE, SUITE 4 LEXINGTON, MA 02421 (US) The present invention is a number of methods and devices for tooth rejuvenation and hard tissue modi?cation compris (21) Appl. No.: 10/596,535 ing applying a layer of a peroxide-free composition to a (22) PCT Filed: Sep. 29, 2005 tooth surface. The applied composition comprises an aque ous solution of one or more edible acids. The composition (86) PCT No.: PCT/US05/34606 has a pH selected from the range of about 0.5 to 5. After the treatment the composition is removed from the tooth sur § 371(c)(1), face. In various embodiments of the invention the pH of the (2), (4) Date: Jun. 15, 2006 composition can range between about 0.5 and 3, a narroWer Related US. Application Data range being between 1 and 1.75. Hard tissue rejuvenation comprises forming a post-treatment layer having a compo (60) Provisional application No. 60/514,183, ?led on Oct. sition Which is different from that of the hard tissue of the 24, 2003. Provisional application No. 60/681,630, hard tissue by selectively heating a porous layer on the hard ?led on May 17, 2005. tissue. 5-9a 5-8a \ \ \ 5-2a \ A 5-10a 5-13a 5-14a Patent Application Publication Jul. 12, 2007 Sheet 2 0f 15 US 2007/0160958 A1 65-. III PI-H 0) C 55- / 50% § hma“m, ‘.3 15-1 ‘ ‘2' 10 ‘IL/ 5% ‘ I ‘ I ' l ' l ' I ' l ' I ‘ I ' l' ‘ I ‘ I ' I 20 25 30 35 40 45 50 55 6O 65 70 75 80 T, 00 FIGS Patent Application Publication Jul. 12, 2007 Sheet 3 0f 15 US 2007/0160958 A1 4-4 4-6 /4-11 \ 4-10 /____+ 4-9 FIG. 4 Patent Application Publication Jul. 12, 2007 Sheet 4 0f 15 US 2007/0160958 A1 5-133 5-14a FIG.5 Patent Application Publication Jul. 12, 2007 Sheet 5 0f 15 US 2007/0160958 A1 6-202 # ‘EE 1:: 1s #= 6-203 /» /6-201 6-207 / 4 6-210 / V \ 6-206 5-209*\ \\ \ 6-205 6-204 \ 6-208 FIG.6 Patent Application Publication Jul. 12, 2007 Sheet 6 0f 15 US 2007/0160958 A1 7-302 ' / WW \ 7-303 // /7-301 7-307 / / 7-303 \ H09 / \ 7-303 \ 7-305 7-304 FIG.7 Patent Application Publication Jul. 12, 2007 Sheet 7 0f 15 US 2007/0160958 A1 8-5 8-4 FIG.8 Patent Application Publication Jul. 12, 2007 Sheet 8 0f 15 US 2007/0160958 A1 FIG.9 Patent Application Publication Jul. 12, 2007 Sheet 9 0f 15 US 2007/0160958 A1 104 10-3 10-1 10-2 10-5 13 10,42 10-12 5 10-\14 lO-l8 10-19 10-22 1040 / ‘I _A —il-l - f FIGJU
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