| The Effect of Oral Probiotics on Oral Hygiene and Halitosis in Orthodontic Patients. (NCT05651503) | University of Athens | 2022-02-02 |
| Effect of an Investigational Lozenge (Biofresh® 4plus) Versus Placebo Control on Oral Malodor (Intra-Oral Halitosis) (NCT05413382) | Novozymes A/S | 2021-09-28 |
| Effect of Wearing Face Masks on Salivary Parameters and Halitosis (NCT04914208) | University of Göttingen | 2021-09-28 |
| Comparative Study Between Photodynamic Therapy With Urucum and LED and Probiotics in Halitosis Reduction (NCT03996044) | University of Nove de Julho | 2021-01-20 |
| Efficacy of Different Toothbrushes and Hygiene Regimen (NCT04216069) | University of Nove de Julho | 2021-01-05 |
| Questionnaire Regarding the Effect of Wearing Face Masks on Oral Health (NCT04632004) | University of Göttingen | 2020-11-20 |
| Effect of a Probiotic Water on Oral Health in Adults (NCT04473404) | Dose Biosystems Inc. | 2020-07-20 |
| The Efficacy of Oregano Essential Oil in Reducing Oral Halitosis (NCT04779502) | MOHAMED SAEED M. ALI | 2020-01-12 |
| Evaluation of Halitosis After Treatment With Photodynamic Therapy (NCT03973684) | University of Nove de Julho | 2019-07-01 |
| Treatment of Halitosis With Photodynamic Therapy in Older Patients (NCT03591484) | University of Nove de Julho | 2019-06-01 |
| Evaluation of Halitosis After Treatment With Photodynamic Therapy Associated With Periodontal Treatment (NCT03996915) | University of Nove de Julho | 2019-01-01 |
| Effect of Single Rinsing With Three Different Types of Mouthwash on VSC Levels in Morning Breath (NCT04279106) | University of L'Aquila | 2018-09-03 |
| Laser Tongue Debridement for Oral Malodor (NCT04120948) | New York Head & Neck Institute | 2018-08-01 |
| Effect of Photodymamic Therapy With Urucum and LED in the Reduction of Halitosis (NCT03346460) | University of Nove de Julho | 2018-03-05 |
| Halitosis During Active Orthodontic Treatment (NCT03901625) | Riyadh Colleges of Dentistry and Pharmacy | 2018-01-13 |
| Photodynamic Therapy With Red Leds in Microorganisms Related to Halitosis (NCT03656419) | University of Nove de Julho | 2018-01-02 |
| Assessing the Effect of Periodontal Debridement, Tongue Cleaning and Mouth Rinsing for the Treatment of Oral Malodour (NCT02665780) | University of British Columbia | 2017-10-01 |
| Green Tea With Aloe Vera Mouthwash and Chlorohexidine Mouthwash (NCT03115892) | Cairo University | 2017-04-01 |
| Effect of Probiotic Lozenges on Halitosis in Patients With Chronic Periodontitis (NCT02789436) | University of Zagreb | 2016-06-01 |
| Clinical Evaluation of Some Local Antimicrobial Agents' Adjunctive Effects On Periodontal Parameters and Halitosis (NCT03468595) | Near East University, Turkey | 2016-03-01 |
| Randomized Trial of a Gum Health Formulation (NCT03196648) | Glo Science, Inc. | 2015-05-01 |
| Efficacy of Glycine Powder Air-Polishing Combined With Scaling and Root Planing in the Treatment of Periodontitis and Halitosis (NCT03031756) | Near East University, Turkey | 2015-01-01 |
| Inulin and S. Salivarius Reduce Halitosis (NCT02794766) | Universidade de Passo Fundo | 2014-03-01 |
| Photodynamic Therapy in Adolescents Halitosis (NCT02007993) | University of Nove de Julho | 2013-11-01 |
| Three Different Oral Hygiene Regimes on Three Volatile Sulfur Compounds (NCT02689297) | Tokyo Medical and Dental University | 2013-09-01 |
| Oral Hygiene Procedures on Reduction of Oral Malodor (NCT02113137) | Ei Ei Aung | 2013-09-01 |
| "Study of Halitosis in Patients With Advanced Chronic Periodontitis" (NCT02368678) | Federal University of Minas Gerais | 2013-04-01 |
| Effect of Mouth Rinses in Oral Malodor (NCT01747226) | Universitaire Ziekenhuizen KU Leuven | 2013-03-01 |
| Impact of Bracket Design and Oral Hygiene Maintenance on Halitosis in the Orthodontic Patient (NCT01948349) | UConn Health | 2012-10-01 |
| New "in Vitro" Diagnostic Test for Oral Malodour (NCT01226251) | Universitaire Ziekenhuizen KU Leuven | 2011-01-01 |
| Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at Sanford (NCT01793168) | Sanford Health | 2010-07-01 |
| Halitosis and Mouth Breathing in Children (NCT01269957) | University of Nove de Julho | 2009-11-01 |
| Halitosis Devised Questionnaire Evaluating a New Treatment (NCT01046812) | New York Head & Neck Institute | 2009-09-01 |
| Effects of Breezy Candy on Halitosis (NCT00875927) | Breezy Industries Ltd. | 2009-05-01 |
| A New Portable Monitor for Measuring Odorous Compounds in Oral, Exhaled and Nasal Air (NCT01139073) | Okayama University | 2009-05-01 |
| Bad Breath Response to Tongue Scraper and Rinses (NCT00867035) | University of California, San Francisco | 2008-03-01 |
| Oral Malodour and Periodontal Disease-related Parameters (NCT01234948) | Aristotle University Of Thessaloniki | 2008-01-01 |
| Effect of Mouthwash Containing Camellia Sinensis Extracts on Oral Malodor (NCT00932347) | Mahidol University | 2008-01-01 |
| Day Long Prevention of Oral Malodor With a Palatal Patch (SmellX) Containing A Herbal Formula (NCT01388023) | Hadassah Medical Organization | 2008-01-01 |
| Clinical and Microbiological Effects of a Mouthwash Containing Chlorine Dioxide (NCT00748943) | Tokyo Medical and Dental University | 2007-03-01 |
| A Clinical Trial to Assess the Effects of a Mouthwash Containing Chlorine Dioxide on Oral Malodor (NCT00655772) | Tokyo Medical and Dental University | 2007-02-01 |
| Prevention of Oral Malodor With an Oral Sticker Containing Herbal Formula (NCT00250289) | Hadassah Medical Organization | 2006-03-01 |