Prof. Dr. med. dent. Raphael Patcas, PhD
Wissenschaftlicher Abteilungsleiter
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Clinical Specialisations
Board certified orthodontist
Research Interests
- Cone-beam computed tomography – determining imaging accuracy
- Cone-beam computed tomography – Radiation assessment
- Evaluation of the Zurich craniofacial growth study
- Relapse and Retention after orthodontic treatment
Selected publications
Maximal 6 Publikationen.
Gütermann C, Peltomäki T, Markic G, Signorelli L, Hänggi M, Schätzle M, Patcas R. The inclination of mandibular incisors revisited. Angle orthodontist 28. August 2013 [Epub ahead of print]
Patcas R, Tausch D, Pandis N, Manestar M, Ullrich O, Karlo CA, Peltomäki T, Kellenberger CJ. Illusions of fusions - Evaluating the assessment of cervical vertebral fusions by lateral cephalogram, multi-detector CT and cone-beam CT. Am J Orthod Dentofacial Orthop. 2013; 143(2):213-20.
Patcas R, Signorelli L, Peltomäki T, Schätzle M. Is the use of the cervical vertebrae maturation method justified to determine skeletal age? A comparison of radiation dose of two strategies for skeletal age estimation. Eur J Orthod. 2013 Oct 35:604-9
Patcas R, Markic G, Müller L, Ullrich O, Peltomäki T, Kellenberger CJ, Karlo CA. Accuracy of linear intraoral measurements using cone beam CT and multidetector CT: A tale of two CTs. Dentomaxillofac Radiol. 2012; 41(8):637-644.
Karlo CA, Patcas R, Kau T, Watzal H, Signorelli L, Müller L, Ullrich O, Luder HU, Kellenberger CJ. MRI of the temporo-mandibular joint: which sequence is best suited to assess the cortical bone of the mandibular condyle? A cadaveric study using micro-CT as the standard of reference. Eur Radiol. 2012; 22(7):1579-1585.
Patcas R, Müller L, Ullrich O, Peltomäki T. Accuracy of cone-beam computed tomography at different resolutions assessed on the bony covering of the mandibular anterior teeth. Am J Orthod Dentofacial Orthop. 2012 Jan;141(1):41-50.
Links
Publications in ZORA (Zurich Open Repository and Archive)
ZORA Publication List
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Publications
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A new harmony box supplemented with gonial angle and age based on a growing Swiss population. Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie:Epub ahead of print.
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Spontaneous space closure after extraction of permanent first molars in children and adolescents: a systematic review and meta-analysis. European Journal of Orthodontics, 46(6):cjae054.
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In-Vitro Tooth Cleaning Efficacy and Filament End Rounding of Different Manual Children's Toothbrushes. Oral Health & Preventive Dentistry, 22:277-284.
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Cleaning performance of electric toothbrushes around brackets applying different brushing forces: an in-vitro study. Scientific Reports, 14(1):5921.
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Leaching from a 3D-printed aligner resin. European Journal of Orthodontics, 45(3):244-249.
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The Effect of Leveling the Curve of Spee on the Inclination of Mandibular Incisors: A Retrospective Cephalometric Study. Oral Health & Preventive Dentistry, 20(1):517-524.
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Artificial intelligence in medico-dental diagnostics of the face: a narrative review of opportunities and challenges. Clinical Oral Investigations, 26(12):6871-6879.
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Using artificial intelligence to determine the influence of dental aesthetics on facial attractiveness in comparison to other facial modifications. European Journal of Orthodontics, 44(4):445-451.
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Craniofacial growth and SITAR growth curve analysis. European Journal of Orthodontics, 44(3):325-331.
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Knowledge of evidence-based research methodology amongst orthodontic postgraduate residents in four universities: An international survey. International Orthodontics, 20(1):100609.
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Mythen Gebissentwicklung. Kinderärzte Schweiz:30-31.
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Factors influencing the removal torque of palatal implant used for orthodontic anchorage. Progress in Orthodontics, 22(1):16.
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Digital Workflow in Aligner Therapy. In: Eliades, Theodore. Orthodontic aligner treatment : a review of materials, clinical management, and evidence. Stuttgart: Georg Thieme Verlag, 117-122.
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Prothetische Implantate zur kieferorthopädischen Verankerung. Swiss Dental Journal, 130(11):887-892.
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Quantitative appraisal of bilateral sagittal split osteotomy impact on the loading of temporomandibular joint. Journal of the Mechanical Behavior of Biomedical Materials, 111:103985.
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Knowledge of Postgraduate Dental Students on Evidence-based Dentistry and Research Methodology. An International Survey. Oral Health & Preventive Dentistry, 18(1):873-879.
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Roughness and wettability of aligner materials. Journal of Orthodontics, 47(3):223-231.
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Transforming Growth Factor Beta 1 Distribution and Content in the Root Dentin of Young Mature and Immature Human Premolars. Journal of Endodontics, 46(5):641-647.
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ATR-FTIR analysis and one-week stress relaxation of four orthodontic aligner materials. Materials, 13(8):1868.
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Improving headgear wear: why force level and direction of traction matter. European Journal of Orthodontics, 42(2):174-179.
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Post-orthodontic retention: how much do people deciding on a future orthodontic treatment know and what do they expect? A questionnaire-based survey. European Journal of Orthodontics, 42(1):86-92.
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Emotions experienced during the shedding of the first primary tooth. International Journal of Paediatric Dentistry, 29(1):22-28.
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Applying artificial intelligence to assess the impact of orthognathic treatment on facial attractiveness and estimated age. International Journal of Oral and Maxillofacial Surgery, 48(1):77-83.
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Whisky, microwave or hairdryer? Exploring the most efficient way to reduce bacterial colonisation on contaminated toothbrushes. British Dental Journal, 225(11):1007-1010.
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Do we need CBCTs for sufficient diagnostics?-dentist-related factors. International Journal of Implant Dentistry, 4:37.
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Tooth Fairy guilty of favouritism!. The Medical journal of Australia, 207(11):482-486.
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Enamel alterations due to orthodontic treatment. In: Eliades, Theodore; Brantley, William A. Orthodontic applications of biomaterials : a clinical guide. Woodhead: Elsevier, 221-239.
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Torque differences according to tooth morphology and bracket placement: a finite element study. European Journal of Orthodontics, 39(4):411-418.
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Cleaning Efficacy of Manual Toothbrushes Around Brackets - A Pilot Randomised Control Trial. Oral Health & Preventive Dentistry, 15(1):33-39.
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Effects of stem cell factor on cell homing during functional pulp regeneration in human immature teeth. Tissue Engineering. Part A, 23(3-4):115-123.
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Retrieval analysis of lingual fixed retainer adhesives. American Journal of Orthodontics and Dentofacial Orthopedics, 150(4):575-584.
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Authors' response. American Journal of Orthodontics and Dentofacial Orthopedics, 150(3):397-398.
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Regenerative dentistry: animal model for regenerative endodontology. Transfusion Medicine and Hemotherapy, 43(5):359-364.
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Mechanical properties of contemporary orthodontic adhesives used for lingual fixed retention. Biomedizinische Technik. Biomedical engineering, 62(3):289-294.
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Effect of different incisor movements on the soft tissue profile measured in reference to a rough-surfaced palatal implant. American Journal of Orthodontics and Dentofacial Orthopedics, 149(3):349-357.
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Radiation dose of cone-beam computed tomography compared to conventional radiographs in orthodontics. Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie, 77(1):9-15.
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New perspectives on the relationship between mandibular and statural growth. European Journal of Orthodontics, 38(1):13-21.
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Does the decision to extract influence the development of gingival recessions? : A retrospective long-term evaluation. Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie, 76(6):476-492.
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Method of visualisation influences accuracy of measurements in cone-beam computed tomography. Journal of Cranio-Maxillofacial Surgery, 43(7):1277-1283.
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Surface and interfacial analysis of sandblasted and acid-etched enamel for bonding orthodontic adhesives. American Journal of Orthodontics and Dentofacial Orthopedics, 147(4 Suppl):S64-S75.
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Effects on hard dental and soft para-dental tissues related to orthodontic treatment in post-orthodontic patients. 2015, University of Zurich, Faculty of Medicine.
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Long-term follow-up of maxillary fixed retention: survival rate and periodontal health. European Journal of Orthodontics, 37(1):37-42.
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Assessing the length of the mandibular ramus and the condylar process: a comparison of OPG, CBCT, CT, MRI, and lateral cephalometric measurements. European Journal of Orthodontics, 37(1):13-21.
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Effect of chin-cup treatment on the temporomandibular joint: a systematic review. European Journal of Orthodontics, 37(3):314-324.
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Factors influencing fixed retention practices in German-speaking Switzerland : A survey. Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie, 75(6):446-458.
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Author's response. American Journal of Orthodontics and Dentofacial Orthopedics, 145(4):417-418.
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The inclination of mandibular incisors revisited. Angle Orthodontist, 84(1):109-119.
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Pharyngeal airway dimensions: a cephalometric, growth-study-based analysis of physiological variations in children aged 6-17. European Journal of Orthodontics, 36(3):331-339.
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Applicability of cone-beam computed tomography in craniofacial imaging in comparison to other radiological methods. 2013, University of Tampere, Faculty of Medicine.
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Evaluating the agreement of skeletal age assessment based on hand-wrist and cervical vertebrae radiography. American Journal of Orthodontics and Dentofacial Orthopedics, 144(6):838-847.
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Illusions of fusions: Assessing cervical vertebral fusion on lateral cephalograms, multidetector computed tomographs, and cone-beam computed tomographs. American Journal of Orthodontics and Dentofacial Orthopedics, 143(2):213-220.
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Occurrence of cervical invasive root resorption in first and second molar teeth of orthodontic patients eight years after bracket removal. Journal of Endodontics, 39(1):27-30.
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Is the use of the cervical vertebrae maturation method justified to determine skeletal age? A comparison of radiation dose of two strategies for skeletal age estimation. European Journal of Orthodontics, 35(5):604-609.
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A bonding technique for fixed maxillary retainers. Journal of Orthodontics, 39(4):317-322.
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Accuracy of linear intraoral measurements using cone beam CT and multidetector CT: a tale of two CTs. Dentomaxillofacial Radiology, 41(8):637-644.
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Accuracy of cone-beam computed tomography at different resolutions assessed on the bony covering of the mandibular anterior teeth. American Journal of Orthodontics and Dentofacial Orthopedics, 141(1):41-50.
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Die zahnärztliche Betreuung von Schwangeren - Zehn Fragen und Antworten. Schweizer Monatsschrift für Zahnmedizin, 122(9):729-739.
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Nutzen-Risiko-Abwägung: Darf ich bei einer Schwangeren Röntgenbilder anfertigen?. Zahnarzt Praxis, (5):19-21.
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Idealer Extraktionszeitpunkt bei ersten bleibenden Molaren. Eine Literaturübersicht. Quintessenz Zahntechnik, 62(12):1631-1635.
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Langzeitbetreuung nach kieferorthopädischer Behandlung. Wie viel Retention braucht die Unterkieferfront?. Zahnarzt Praxis, (6):9-12.