1. Antibacterial Toothbrush 1

1-1. Problems of Toothbrush Infection

1. Effects 2. Strengths 1-2. Effects 3 Anti plaque Reduction of gingivitis Strong sterilizing power under eco-friendly base -Antibacterial activity after 1hr 99.7%, 6hrs % (ASTM E 2149). -No harmful organic antibacterial additives and materials -Not detected toxicity in fishes in fishbowl, no skin irritation - Strong and remarkable antibacterial power which is maintained even after times friction Strong elimination of plaque - Maximizing friction cleaning by rough surface of filament with antimicrobial ceramic complex - Fine cleaning niche plaque by double filament system; fine edged upper and strong lower filament Strong maintenance of new toothbrush feeling - Enlarging elasticity by organic-inorganic composite filament materials Strong sterilizing power under eco-friendly base -Antibacterial activity after 1hr 99.7%, 6hrs % (ASTM E 2149). -No harmful organic antibacterial additives and materials -Not detected toxicity in fishes in fishbowl, no skin irritation - Strong and remarkable antibacterial power which is maintained even after times friction Strong elimination of plaque - Maximizing friction cleaning by rough surface of filament with antimicrobial ceramic complex - Fine cleaning niche plaque by double filament system; fine edged upper and strong lower filament Strong maintenance of new toothbrush feeling - Enlarging elasticity by organic-inorganic composite filament materials

USA – Marketing starts from Wholefoods Mart and increasing sales (Mouth Watchers) 1-3. Marketing_U.S.A 4

1-6. Our original products 5 4 colors products

Fiti Testing Research Institute Test Lab Test Method  test bacteria : Klebsielle pneumoniee ATCC 4352  method : ASTM E 2149 : 2001  test bacteria : Klebsielle pneumoniee ATCC 4352  method : ASTM E 2149 : 2001 Conclusion Results Beginning (CFU/40p) After 1hr (CFU/40p) Reduction (%) Klebsielle pneumoniee BLANK 2.1* Silvix A 2.1* * methodASTM E 2149: Antimicrobial Test of Filament_1hr Without SILVIX With SILVIX 6

Conclusion Without SILVIX With SILVIX 시험 항목 Results Beginning (CFU/40p) After 6hrs (CFU/40p) Reduction (%) Klebsielle pneumoniee BLANK 2.1* * Silvix A 2.1*10 5 > methodASTM E 2149: Antimicrobial Test of Filament_6hrs 7 Fiti Testing Research Institute Test Lab Test Method  test bacteria : Klebsielle pneumoniee ATCC 4352  method : ASTM E 2149 : 2001  test bacteria : Klebsielle pneumoniee ATCC 4352  method : ASTM E 2149 : 2001

OECD Toxicity Test with SILVIX 8 Korea was elected a management nation for safety test project of silver nanomaterials in 6 th nanomaterials conference of OECD nations SAN(Silvix Antimicrobial Nanocomposites) was selected as a representative silver nanomaterials and has been deeply studied by Korean new national safety test method for nanomaterials under Korean government sponsorship from 2009 to 2013 SAN has passed successfully 8 toxicity tests

Toxicity Test_Ceramic Complex 9 Acute Oral Toxicity Study of SILVIX SAN in Sprague-Dawley Rats (Acute Toxic Class Method) _ April 2014 >>> passed Acute Dermal Toxicity Study of SILVIX SAN in Sprague-Dawley Rat _ April 2014 >>> passed Bacterial Reverse Mutation test of SILVIX SAN _ April 2014 >>> passed In vitro Mammalian chromosome aberration test of SILVIX SAN using cultured Chinese Hamster Ovary (CHO-k1) cells _ April 2014 >>> passed Mammalian Erythrocyte Micronucleus Test of SILVIX SAN in ICR mice _ April 2014 >>> passed Acute Dermal Irritation/Corrosion Study of SILVIX SAN in New Zealand White Rabbit _ May 2014 >>> passed Acute Eye Irritation/Corrosion Study of SILVIX SAN in New Zealand White Rabbit _ May 2014 >>> passed Skin Sensitization Study of SILVIX SAN in Hartley Guinea Pig _ May 2014 >>> passed

日本語 資料 1 10 抗菌歯ブラシ（銀配合） > 銀配合の抗菌歯ブラシを供給します。製造国は韓国です。 * 長所 抗菌性 - ブラシに繁殖するバクテリアを防ぎます。 柔軟性 - 届きづらい箇所もきれいにします。 1) 環境に優しい強力な抗菌性 - 抗菌作用 1 時間後 99.7% 、 6 時間後 99.9% (ASTM E2149) - 水槽の魚の実験等にて無毒性を確認

日本語 資料 ）歯垢の除去力 - 粗い表面設計 - ２重ブラシ構造で狭い箇所の歯垢を掃除 * ２重ブラシ構造 - 外側ブラシ：細く柔らかいブラシです。デンタルフロスの様に、また歯茎をマッサ ージする様に優しく歯を掃除します。 - 内側ブラシ：歯がしっかりと掃除されるように考えられた細く硬いブラシです。 * 米国の有名なスーパーマーケットで初めて発売され、現在では大手ショッピングサイ ト (amazon.com product name: “Antimicrobial Silver Toothbrush” supplied by Mouth Watchers Co., Ltd.) のベストセラー商品になりました 。