09/2006 – 09/2010 Accocciate professor, Department of Restorative dentistry and periodontology, Head: Prof. Dr. E. Hellwig/clinical part: Prof. Dr. P. Ratka-Krüger
09/2002: State Examination, Specialist in Endodontics and Restorative Dentistry
09/2000 – 09/2002: High Studies Assistant, Damascus-University, Damascus, Syria (Department of Endodontics and Restorative Dentistry, Head: Prof. Dr. S. Al-Buni)
09/2000: State Examination in Dental Medicine, Syria
1995-2000: Studies of Dental Medicine at Damascus University, Damascus, Syria
Abouassi T, Holst K, Wolkewitz M, Hellwig E, Ratka-Krüger P (2010). Clinical Investigation of Metal-Free Interdental Bruches (in German). 18. Jahrestagung der NagP, Aachen, Germany.
- Abouassi T, Hellwig E, Ratka-Krüger P (2010). Aesthetic Rehabilitation of Anterior Teeth after Periodontal Treatments- two Case Reports (in German). Deutsche Zahnärztetag, Frankfurt am Main, Grmany. Abstract # 857
- Abouassi T, Wolkewitz M, Al-Ahmad A, Hahn P (2009). Effects of Different Bleaching Gels on Enamel Surface. IADR Conference, Miami, FL, USA. Abstract # 2447
- Abouassi T, Wolkewitz M, Hahn P (2008). Analysis of erosion effects of storing solutions on enamel surface. PEF IADR Conference, London, UK. Abstract # 0791
Original Research Articles
- Attin T, Abouassi T,Becker K, Wiegand A, Roos M, Attin R(2008). A new method for chlorhexidine (CHX) determination: CHX release after application of differently concentrated CHX-containing preparations on artificial fissures. Clin Oral Investig. 12(3):189-196
- Abouassi T,.Wolkewitz M, Hahn P. Effects of Carbamide Peroxide vs. Hydrogen Peroxide on Enamel Surface: An In-vitro Study. Clin Oral Investig.)
- Abouassi T, Hannig C, Mahncke K, Karygianni L, Wolkewitz M, Hellwig E, Al-Ahmad A. Does human saliva decrease the antimicrobial activity of chlorhexidine against oral bacteria?. BMC Research Notes 2014, 7:711
- Abouassi T, Woelber JP, Holst K, Stampf S, Doerfer CE, Hellwig E, Ratka-Krueger P. Clinical efficacy and patients acceptance of a rubber interdental bristle. Arandomized controlled trial. Clin Oral Investig. 2014 Sep, 18(7): 1873-80.
- د. ثائر أبو عاصي ,تأثير مواد التبييض على قساوة ومورفولوجية وخشونة سطح الميناء, مجلة طبيب الاسنان العربي, العدد الاول, 2017
-Susanne Proksch, Sabrina Lydia Strobel, Kirstin Vach, Thaer Abouassi, Pascal Tomakidi, Petra Ratka-Krueger, Elmar Hellwig, Melatonin as a Candidate Therapeutic Drug for Protecting Bone Cells From Chlorhexidine-Induced Damage. Journal of Periodontology. Aug 2014, 85(12):1-16