{"id":8197,"date":"2025-04-27T07:26:41","date_gmt":"2025-04-27T07:26:41","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=8197"},"modified":"2026-04-28T10:42:53","modified_gmt":"2026-04-28T10:42:53","slug":"why-is-camphor-quinone-commonly-used-as-a-photosensitizer-in-light-curing-composite-resins","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/id\/why-is-camphor-quinone-commonly-used-as-a-photosensitizer-in-light-curing-composite-resins\/","title":{"rendered":"Mengapa kamper kuinon biasanya digunakan sebagai fotosensitizer dalam resin komposit pengawet cahaya?"},"content":{"rendered":"<p>Penggunaan camphorquinone (CQ) secara luas sebagai fotosensitizer (inisiator foto) pada resin komposit yang dapat mengawetkan cahaya (terutama bahan restorasi gigi) terutama berkaitan erat dengan sifat kimiawi yang unik dan keunggulan aplikasinya. Berikut ini adalah alasan spesifik yang dianalisis:<\/p>\n<p>1. Mencocokkan panjang gelombang cahaya tampak, cocok untuk aplikasi klinis<br \/>\nKarakteristik penyerapan:<br \/>\nPuncak penyerapan camphorquinone berada di wilayah cahaya biru 468 nm, yang sangat cocok dengan cahaya biru (450-490 nm) yang dipancarkan oleh peralatan pengawet cahaya gigi (misalnya lampu pengawet cahaya LED).<\/p>\n<p>Bahan pengawet UV tradisional (misalnya benzena difenil eter) membutuhkan sinar ultraviolet (UV) untuk dieksitasi, tetapi UV berbahaya bagi jaringan manusia, sedangkan sinar biru lebih aman dan menembus untuk operasi oral.<\/p>\n<p>Efisiensi inisiasi foto yang tinggi:<br \/>\nCQ dengan cepat menyerap energi di bawah iradiasi sinar biru dan menghasilkan radikal bebas aktif (melalui reaksi penangkapan hidrogen atau efek sinergis dengan akselerator amina), yang secara efisien memulai polimerisasi monomer resin (mis. Bis-GMA, UDMA).<\/p>\n<p>2. Biokompatibilitas dan keamanan yang baik<br \/>\nSitotoksisitas rendah:<br \/>\nKamper kuinon itu sendiri dan produk fotolisisnya (misalnya turunan kamper) memiliki toksisitas yang rendah dan memenuhi standar biokompatibilitas untuk bahan gigi (misalnya ISO 10993).<\/p>\n<p>Dibandingkan dengan inisiator foto lainnya (misalnya TPO), CQ memiliki residu yang lebih rendah setelah proses pengeringan dan keamanan jangka panjang yang lebih baik.<\/p>\n<p>Tidak menimbulkan bau yang mengganggu:<br \/>\nCQ tidak memiliki bau yang mudah menguap atau mengiritasi, yang cocok untuk digunakan di lingkungan mulut tertutup untuk menghindari ketidaknyamanan pasien.<\/p>\n<p>3. Kompatibilitas dengan sistem resin<br \/>\nKelarutan dan stabilitas:<br \/>\nCQ memiliki kelarutan yang tinggi (sekitar 0,1-1 wt%) dalam matriks resin (misalnya monomer metakrilat) dan stabil secara kimiawi pada suhu kamar, tidak mudah mengalami polimerisasi atau degradasi secara spontan, sehingga memperpanjang masa penyimpanan bahan.<\/p>\n<p>Kemampuan beradaptasi warna:<br \/>\nCQ sendiri berwarna kuning muda, tetapi warnanya hanya memiliki sedikit efek setelah resin diawetkan, yang sangat cocok untuk bahan restorasi gigi untuk kebutuhan estetika (seperti resin komposit yang harus sesuai dengan warna gigi alami).<\/p>\n<p>4. Sinergi dan fleksibilitas formulasi<br \/>\nBersinergi dengan akselerator amina:<br \/>\nFormulasi klinis sering menggunakan CQ yang dikombinasikan dengan akselerator amina tersier (seperti DMABEE, 4-EDMAB) untuk membentuk sistem redoks:<\/p>\n<p>Eksitasi cahaya biru dari CQ \u2192 CQ dari atom hidrogen amina \u2192 pembentukan radikal bebas \u2192 inisiasi polimerisasi resin.<\/p>\n<p>Tindakan sinergis ini secara signifikan meningkatkan efisiensi inisiasi dan memungkinkan proses curing yang cepat pada intensitas cahaya rendah.<\/p>\n<p>Kedalaman pengawetan yang dapat disesuaikan:<br \/>\nDengan menyesuaikan konsentrasi CQ dan intensitas cahaya, kedalaman pengawetan resin dapat dikontrol (biasanya 2-4 mm) untuk memenuhi permintaan pengawetan lapisan demi lapisan restorasi gigi.<\/p>\n<p>5. Dukungan teknologi dan peraturan yang telah terbukti<br \/>\nVerifikasi aplikasi historis:<br \/>\nCQ telah digunakan untuk resin gigi sejak tahun 1970-an. CQ telah mengumpulkan sejumlah besar data klinis dan kinerja serta keamanannya telah diakui secara luas.<\/p>\n<p>Baik American Dental Association (ADA) maupun standar ISO merekomendasikan CQ sebagai inisiator inti untuk resin yang dapat mengawetkan cahaya.<\/p>\n<p>Keterbatasan alternatif:<br \/>\nInisiator cahaya tampak lainnya (misalnya, TPO, Ivocerin) memiliki efisiensi inisiasi yang lebih tinggi tetapi mengalami masalah berikut:<\/p>\n<p>Gangguan warna (misalnya TPO berwarna kuning, yang memengaruhi estetika);<\/p>\n<p>Kontroversi toksisitas (metabolit dari beberapa inisiator baru mungkin memiliki potensi risiko);<\/p>\n<p>Biaya dan kompleksitas proses (formulasi resin dan peralatan perlu disesuaikan).<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>Rute seleksi praktis untuk proyek-proyek terkait fotoinisiator.<\/h2>\n<p>Ketika pembeli teknis atau formulator menyaring fotoinisiator, kerangka keputusan yang paling berguna biasanya adalah kualitas pengawetan ditambah kesesuaian aplikasi: paket mana yang mengawetkan secara andal, menjaga penampilan tetap dapat diterima, dan masih berfungsi di bawah kondisi lampu, ketebalan film, dan substrat dari proses sebenarnya.<\/p>\n<ul>\n<li><strong>Cocokkan paketnya dengan lampunya terlebih dahulu:<\/strong> lampu merkuri, LED UV, dan sistem cahaya tampak dapat memberi peringkat fotoinisiator yang sama secara sangat berbeda.<\/li>\n<li><strong>Periksa pengawetan kedalaman dan pengawetan permukaan secara terpisah:<\/strong> Film yang terasa kering di permukaan pun masih bisa lemah di bagian bawahnya.<\/li>\n<li><strong>Keseimbangan warna kuning dengan reaktivitas:<\/strong> rute penyembuhan terdalam yang paling kuat tidak selalu menjadi pilihan komersial terbaik jika risiko warna atau migrasi menjadi tidak dapat diterima.<\/li>\n<li><strong>Gunakan formula akhir sebagai tolok ukur:<\/strong> Beban pigmen, paket monomer, dan ketebalan film semuanya dapat mengubah peringkat yang tampak dari inisiator yang sama.<\/li>\n<\/ul>\n<h3>Referensi produk yang direkomendasikan<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-tpo-l-cas-84434-11-7\/\">CHLUMINIT TPO-L<\/a>:<\/strong> Referensi dengan tingkat penguningan rendah yang kuat untuk sistem UV berbasis LED.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/id\/product\/cas-270586-78-2\/\">CHLUMINIT TMO<\/a>:<\/strong> Poin perbandingan yang berharga ketika diskusi penurunan penguningan atau penggantian TPO menjadi penting.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\">CHLUMINIT 819<\/a>:<\/strong> Berguna saat formulasi memerlukan penyerapan yang lebih kuat dan dukungan pengeringan yang lebih mendalam.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/id\/product\/irgacure-1173-cas-7473-98-5\/\">CHLUMINIT 1173<\/a>:<\/strong> Titik perbandingan praktis untuk inisiasi UV gelombang pendek klasik.<\/li>\n<\/ul>\n<h3>FAQ untuk pembeli dan formulator<\/h3>\n<p><strong>Mengapa paket fotoinisiator campuran umum digunakan?<\/strong><br \/>Karena satu produk mungkin mengontrol penguningan atau kesesuaian lampu dengan baik, sementara produk lain meningkatkan kedalaman pengeringan atau kinerja kecepatan garis, sehingga paket lengkap sering kali lebih kuat daripada satu tingkatan saja.<\/p>\n<p><strong>Apakah penyembuhan yang tidak lengkap selalu harus diselesaikan dengan menambahkan lebih banyak inisiator?<\/strong><br \/>Tidak secara otomatis. Keterbatasan sebenarnya mungkin terletak pada lampu, ketebalan film, nuansa pigmen, atau sisa sistem reaktif daripada dosis yang kurang.<\/p>\n<p><!-- lc-commercial-end --><\/p>\n<h2><strong><b>Hubungi Kami Sekarang!<\/b><\/strong><\/h2>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Jawaban singkat:<\/strong> Untuk pekerjaan formulasi praktis, penyaringan fotoinisiator dimulai dengan sumber cahaya dan ketebalan lapisan film, lalu memeriksa kekuningan, adhesi, dan kelengkapan pengeringan dalam kondisi produksi nyata.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<h4><strong><b>Jika Anda membutuhkan Harga atau pengujian sampel, silakan isi informasi kontak Anda di formulir di bawah ini, kami biasanya akan menghubungi Anda dalam waktu 24 jam. Anda juga bisa mengirim email kepada saya <a href=\"mailto:info@longchangchemical.com\"><span style=\"color: #00ccff;\">info@longchangchemical.com<\/span><\/a>\u00a0selama jam kerja (8:30 pagi hingga 6:00 sore UTC+8 Senin-Sabtu) atau gunakan obrolan langsung situs web untuk mendapatkan balasan secepatnya.<\/b><\/strong><\/h4>\n<p>&nbsp;<\/p>\n<table style=\"border-collapse: collapse; width: 435.77pt;\" border=\"0\" width=\"581\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt; width: 215.25pt;\" width=\"287\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-tpo-cas-75980-60-8\/\"><span style=\"color: #00ccff;\">TPO pemrakarsa foto<\/span><\/a><\/td>\n<td style=\"width: 220.50pt;\" width=\"294\">CAS 75980-60-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/cas-270586-78-2\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto TMO<\/span><\/a><\/td>\n<td>CAS 270586-78-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-pd-01-cas-579-07-7\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto PD-01<\/span><\/a><\/td>\n<td>CAS 579-07-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-pbz-cas-2128-93-0\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto PBZ<\/span><\/a><\/td>\n<td>CAS 2128-93-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-oxe-02-cas-478556-66-0\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto OXE-02<\/span><\/a><\/td>\n<td>CAS 478556-66-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-ombb\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto OMBB<\/span><\/a><\/td>\n<td>CAS 606-28-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-mpbz-6012\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto MPBZ (6012)<\/span><\/a><\/td>\n<td>CAS 86428-83-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-mbp-cas-134-84-9\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto MBP<\/span><\/a><\/td>\n<td>CAS 134-84-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-mbf-cas-15206-55-0\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto MBF<\/span><\/a><\/td>\n<td>CAS 15206-55-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-lap-cas-85073-19-4\/\"><span style=\"color: #00ccff;\">PAPAN inisiator foto<\/span><\/a><\/td>\n<td>CAS 85073-19-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-itx-cas-5495-84-1\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto ITX<\/span><\/a><\/td>\n<td>CAS 5495-84-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-emk\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto EMK<\/span><\/a><\/td>\n<td>CAS 90-93-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-eha-cas-21245-02-3\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto EHA<\/span><\/a><\/td>\n<td>CAS 21245-02-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-edb-cas-10287-53-3\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto EDB<\/span><\/a><\/td>\n<td>CAS 10287-53-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-detx-cas-82799-44-8\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto DETX<\/span><\/a><\/td>\n<td>CAS 82799-44-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-cq\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto CQ \/ Kamperquinon<\/span><\/a><\/td>\n<td>CAS 10373-78-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-cbp-cas-134-85-0\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto CBP<\/span><\/a><\/td>\n<td>CAS 134-85-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-bp-cas-119-61-9\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto BP \/ Benzofenon<\/span><\/a><\/td>\n<td>CAS 119-61-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-bms\/\"><span style=\"color: #00ccff;\">BMS inisiator foto<\/span><\/a><\/td>\n<td>CAS 83846-85-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-938\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto 938<\/span><\/a><\/td>\n<td>CAS 61358-25-6<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-937-cas-71786-70-4\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto 937<\/span><\/a><\/td>\n<td>CAS 71786-70-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-819-dw\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto 819 DW<\/span><\/a><\/td>\n<td>CAS 162881-26-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\"><span style=\"color: #00ccff;\">Pemrakarsa Foto 819<\/span><\/a><\/td>\n<td>CAS 162881-26-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-784-cas-125051-32-3\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto 784<\/span><\/a><\/td>\n<td>CAS 125051-32-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-754-cas-211510-16-6-442536-99-4\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto 754<\/span><\/a><\/td>\n<td>CAS 211510-16-6 442536-99-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-6993-cas-71449-78-0\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto 6993<\/span><\/a><\/td>\n<td>CAS 71449-78-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-6976\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto 6976<\/span><\/a><\/td>\n<td>CAS 71449-78-0 89452-37-9 108-32-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-379-cas-119344-86-4\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto 379<\/span><\/a><\/td>\n<td>CAS 119344-86-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-369-cas-119313-12-1\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto 369<\/span><\/a><\/td>\n<td>CAS 119313-12-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-160\/\">Pemrakarsa Foto 160<\/a><\/span><\/td>\n<td>CAS 71868-15-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-1206\/\"><span style=\"color: #00ccff;\">Pemrakarsa Foto 1206<\/span><\/a><\/td>\n<td><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/id\/product\/irgacure-1173-cas-7473-98-5\/\"><span style=\"color: #00ccff;\">Pemrakarsa foto 1173<\/span><\/a><\/td>\n<td>CAS 7473-98-5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Penggunaan luas camphorquinone (CQ) sebagai fotosensitizer (fotoinisiator) dalam resin komposit yang mengeras dengan cahaya (terutama bahan restorasi gigi) sebagian besar terkait erat dengan sifat kimia unik dan keunggulan aplikasinya.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[143],"tags":[],"class_list":["post-8197","post","type-post","status-publish","format-standard","hentry","category-uv-light-curing-series"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Why is camphor quinone commonly used as a photosensitizer in light-curing composite resins? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"The widespread use of camphorquinone (CQ) as a photosensitizer (photoinitiator) in light-curing composite resins (especially dental restorative material...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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