CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '91339d7d59c4fce3',cH: 'OFEdQD.rfys9JD0qAhUBGxPEVGQ9..ggHESNS7.QWK8-1739772635-1.2.1.1-Ffz2buYeCA7NE86u.7Acrdi_w8uuaOMpwEs5T3TvlRuISSl3tw5I2wENq3oeNJRq',cUPMDTk: "\/search?q=dental%20education&__cf_chl_tk=BKXw0QMwOWaA49nwIgUxKkTe_v_wmDHTlVMKaYO02To-1739772635-1.0.1.1-MmZ.h6A.MJFgfPx8VFiFWf1ujJXx8S19S5O66Gk8W.Q",cFPWv: 'b',cITimeS: '1739772635',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/search?q=dental%20education&__cf_chl_f_tk=BKXw0QMwOWaA49nwIgUxKkTe_v_wmDHTlVMKaYO02To-1739772635-1.0.1.1-MmZ.h6A.MJFgfPx8VFiFWf1ujJXx8S19S5O66Gk8W.Q",md: "w5UZzM2d8eeYAIGVipWcIDHn6sMSr2obTyzF0ajyGAI-1739772635-1.2.1.1-49J.WprJt17MeT3B1Y7bLgU1wb_m4vgu6E9sDZD1PG5NTeZJaJGAYrQdNdvRtukYwZMkfqQZEoR9PzkK8tV3CXtIq5pro.jK5CkBeWYa81l3hWbs.w3iN4RK9heZznYlE.qufvqLddWTJOsU5KFdQoT15GyM72OVDyO78ZrjAigzwBhZQJjZJVJfqXdCP1OcAbuNMtTIbSdTknZBSSH2J_Z7m83Upf2vEhEsV9EjWs4ph.TSLT4.zCi7w5cKewXPPagpYpdb5WRmGCHQVA8skNz3SjeR14t9NyxapTEwLfDAXaBsY6eIy515UNX3yMX4R0svQVmNaw8eKL2MkPzgUAE4kHSiyMEi60M8F2DSRn4y0bqb_KWoKmtNReSC.klQ67r6on85hy8KUvn9zLGFDw.ZPq9eJSOljcUGGQ2V6.lalfa1Z3nZkJKQQKBuB8zzVqejXfmkp5LE4r70ckCrPiiYHB0nQplXepS4fKAkWrLjiu1OKVt4pvWX5FBdadyTD3KGwjj68SUavgGMBQCajip_j72KosTm8jcCFYlbqK5BRn9bEtTpTcX27L_ixRvtLEklYTcpRprgoglyI_OWVVIaoDhYutX3Xyx17yrddefgmCKrI2eW0cyq055i.VEJN.GnyDeopt.Y2iGotqkH0_LvcNLBQI.0KoKu7zbJ_BzFmNRQtBdjIwT06kSjYPXkIDxIp7naU_b0ITasQxus6MMSJE..RtzI6nt7UB.iI2B2lA8i1q650DBJUGH1660LGEIJK3z61aaLVDTqYSLiG0mbFfMmna_EgyYWy7W7kSduYAghUa9bbdrinRR94tqDesZ4Okh2gsAjiXMBzUyYuLQ6GppM86jPUFU2MQXT7V0QfNiRVocAdp5LC9jdz0Wd27gjatrVjJdd.3obdPVfTwplS0zHGIeSYx6sigqRfDX0jtAxOVOq_uusAr4UizKlzG.Jm0qCz2ItCNkZR2vl2B6deXBMJF1vsLcEa5JgUx3moaPXUAVj0Mk.CY_tutyvyAQVtrB2HIt5u60NiIKZX7gJsm5jUjmqzCN0WCP3rx5xdAnsnn6NQrY8IIvZpZBSV1kLZU8RbrCmqF5AW8OC9D7BNzvLUx082LqVYSNQ_4MKPTgwMt4QZgBYNy33IKb2U.vmDS7Wqabg0vIVYJ0QYJerbHbjYVOXWV6JUhzmcoIp_SiKDriyQGrEKhYeC00mMVEqDf4.G.ImCekCeuYPneOpJcEYL5RVAjou2Oo9MeIE4WfTMq4UjMi.xD5bIYgLR5zZX_uzpDGqqymijBzRFE9iZzF3GsEmj9.Ig396s9cuGXXp34.fRM1vPa99z_t7qsSnO0ww6UOo_n9bbPOBKuuFq.Oern4Q8ld5DgJNW3_2y9hRFYmEU27txxnjTTWj70gSRQiPyL6MQjMlx9lDYly8kk3Qtnwn0Ypu1VH5U1MjqUGwjA5HcWb3m9OYcRPzXlJORBWKr2k3WbMX9Bah1dLDKzlflR1y5ImCjyPpqVnxCW8OuqDJI3RYdEADpaNfDe2GTTIlSRarW0hUNDKjEWBZ3iZT.I3.kxKFzq6tXdHd2WEyzKnpOL4tiIcJxbjmDumhf8e_kVroJa15vWgmWQeNyObxyDrgFuQPFRhFsJrV4AzjW1lmNfbv3Wnu4vW2TuE86J2mRbk4yY6FVXeivuZa8m.ux1ludD2woh9ApxKHsnyT8TA9n_CpqTxoaNax_2y1FXB66dAjkADX5KkFu.MXo1xL9FBPijw4RvsTBWV0IFSmsgk46PdGIT8JbjcHI8ih7QHk.zB5s63SurmyNrp6OACa_F7MbK7RVOKjf.atcIAZZu0NDz9c6ny8P2cKF_PWfHe3kbw7bdamG46vm8pwEJ1mhXjUKJMkYFfzbYtRqG8yTWhgwH9m130DL7oRj5.gtj34BLK0hPYRYVVbFg",mdrd: "S2NjdDsMipjpFrdZKFD4jyRBVWe5..SZYIjmUcelZdw-1739772635-1.2.1.1-LlanCO494YQGPeULPoti8Y7jrcfpvre7muVK4pQrubuhwhTPUecz2mfz2n6kvoaR8MlEBwS1ngPKf8njHw7h5FHx48TcL5DrUn.33czT5geTBOqy6kLYsebXaU4a8lFqIDGiZxURbpYDfDeNfK96zBHAzIYNtKnKi0l0nnamnBayObpW_6BP.ah4c3NdfVROVnH3yjWvXnUD18gl662gVnISuijF_CMyYAQA9xb1qldtXeM19UV3u6jhGA_x7rFkQ9r_SkMic_ecRJwgR9X1ZcXWiAS4Y75SW1TxAewDQplKIB5iOIY916YUq0pd02EMUg.2nvuLB7cnx9JcWJjfnOwTWmIJGBj7WaOXhgIh_sxeH2sp9LKH3_VngiZS8pvEzDq0zmOPJVxevujqpIDHhKvUmxvaTytVfQqeXezPSNhFUvqPwKwIXFx1nsDPWUm_xtuT29dr6B.XCCsPJwd.SVGX2zCJe8lBITMQu97jzrEtnXN3arIotbVkAiKLkfp6uSUhdIvRENYHvKRUE.aumTzIsWrqN5eTawqN_bcGx7uul.8UZIJfbBey4cJc_yhOX4o4fPcYpevy0fh3vHfFmUOzRYZHbKZC1G4WlUvI0wn38vtFsTdLjnJrzC.JUaJ85Rc2m0DsyM1JCgCGqiimT1YIzO1Xx4Vh5DQkpW7qJkpADOBMGbi8EdqM6UWruKwUkoYsOaXZmMOkmONLPIfmhDeWi8nqpm3bTpH2cBxiM4xtpljWpRDAi47zgg_uK5ZysA6UJLtSNEp2h8SsD7d7ZwLdbirEXbFeREbM.7SeRivHh20xi3pCRHSbVWnirOxaaqekGL5TXpocb2It37sTacq7S0AYIWsj0GjzpNePuG9wz5XbgJ5OKnXtwVtkPvasReWRjVXuXfuvf_qsXoSkYLN02TqDUUvv_wmbk6CO60yFEibwej9yikjNnaHmL01cXDIessxfu8skIjxjNo.j5JMlvxdnazdUa_IYvNHcd0cAUNFnUE4r5.StH1pFAbQyTmsS8lkJbocD0CPPQqTuXOWlnasTGFGsRoags6QNPCFDXmGRRJ7G_RwZLk_zbR30pNPRwqr0.J8X9dwYk78BpzTXVqe0TdWnA9QDsxGv2oxjdgj0Oom4qiP2MmSup2oDqvGM0zlLug5wWqKFaadWSPs4qLz0vWkTRDSctIeAJI4pnUrTi6i6nwdlooqaRqWdYm2Yjiiv8yyvBGwx0qsCWY624MzhXcL7qA6P6ybs1fhVjwHu.WTQA2AfNJGOUAebc4ga4p.BGivMsCc6X87GcGswvGTivZlSa2f.dh06sRnqVvc6_F3spd_Mt0aYn95v8Cf3UFEESGaTVv7OVD0btkgkv0s.dmlWp5e8JRCMuhjU0FQlr0JqOh0rooSrn4LMDvQs.p76m74dXfTDsx1r5VYYmrlnPSvGMpHUgBLsSKYp7oTEiTxLbq_eygnnCDo0bYDEs0uuyt6GXVH9hTAxfu1.ASR2kR1Xdf4mF4dl0Zb8waSo8mO820es..X8WL.3hEwyjXvts93W794I8PlN5qa2x2yFkHu.6cETrWrtF6sRidIJV.gVqB.Fk9aePVXd.hdClJ36y4x5CCCtFz15xZK5VdagO4s3WaHJmGKzWZhiIFLNvgRDrYBare4N6Bc070VYUVk1VOiXGZFUNWGFUqtev7GMy5D6R6GX0rQ6fLVTJFlDBVXq_9lu2i4Z7RMwD.eIZiQeTe2iTX2iy_xLjvZVQGjFpeKdI3MLQ49N1uhc6akkFHQapCFaY6reRjbGtGbNg.6iyY.rz.F93OGUQ69ZhrMvEOGE0z706pP.QOHHKbNS_X3.16LEPcYNGdwoXSKxIQbWvGPUP0CYr5swkvtGgNOjzSzke172SfECG3LFx3JZ85EFrrQt2cjwE80rf0yd1E_fuN2S9k56ayj86sUshs6KL8Swzq5iyJKVCRbS1GmJbvAJBfDY_7xrGUteveDHvfDv3tKSFRk4JBRwCg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91339d7d59c4fce3';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/search?q=dental%20education&__cf_chl_rt_tk=BKXw0QMwOWaA49nwIgUxKkTe_v_wmDHTlVMKaYO02To-1739772635-1.0.1.1-MmZ.h6A.MJFgfPx8VFiFWf1ujJXx8S19S5O66Gk8W.Q" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>