DEntal implaNt Set: Development and Implementation of a Standardized Outcome Set in Implant Dentistry
NCT ID: NCT07337057
Last Updated: 2026-01-13
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
1000 participants
OBSERVATIONAL
2024-06-24
2027-06-01
Brief Summary
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With this new approach of health outcome measurement, in which patient reported outcomes and clinical outcomes are combined, new definitions of success are created that transform dental implant health care by informed decision making, quality improvement and reducing costs. If dentists and oral surgeons make treatment decisions based on this comprehensive health outcome, patients are more likely to receive high quality care and payers only pay for services that achieve results. Therefore, the development of an implant dentistry specific question set, a Dental Implant Standard Set, capturing both the clinicians' and patients' perspective of implant-related health outcomes is of utmost clinical relevance.
Objective(s) A combination of patient-reported outcomes and clinical health outcomes in a Dental Implant Standard Set enables clinicians to evaluate care delivery and to compare performance in a comprehensive and meaningful way. Therefore, the main aim for this project is to implement a workable Dental Implant Standard Set for the dental implant professional to monitor and improve clinicians and patients' perception of peri-implant health following dental implant treatment, and to monitor and improve the performance of dental implant practice as a whole.
Study type This is a prospectively designed multicenter cohort study including 30 dental practices in the Netherlands and Spain
Study population A total of 1000 consecutive patients will be included by the participating dental practices within 12 months.
Questionnaires regarding the clinical outcomes are administered to the dentists providing the dental implant care. PROMs are administered to the participating patients.
Generally, patients aged 18-70 years that have an indication for implant supported fixed single or multiple tooth replacement or implant-supported removable prosthesis are eligible to participate.
Methods the questionnaires are administered to the participating dentist (for clinical outcomes) and patients (Patient Reported Outcome Measures (PROMs) in combination with the collection of clinical and case mix variables at 6 time points: before and at implant placement, at prosthesis placement and 10-12 months after implant placement. The PROMs is administered via a Questionnaire Manager (QM), that is developed by an external company. Within the QM also case mix and clinical data are registered
Burden and risks No risks are involved throughout the study The concise questionnaires to the patients and participating dentist will be a limited burden to the standard dental implant care.
Recruitment and consent Treating clinicians will recruit participants for this project. Clinicians will provide the patient with a brief overview of the study. Participants will receive a digital questionnaire via a link with an informed consent form and contact details (of the principal investigator) for remaining questions.
Data is not open accessible and patient specific data will be anonymously stored.
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Detailed Description
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Dental implant treatment success has traditionally been evaluated using clinical parameters such as implant survival, marginal bone loss, and tissue health from the clinician perspective. However, the shift toward value-based healthcare requires integration of patient-reported outcome measures (PROMs) to capture treatment value from the patient's perspective.
The recently published Implant Dentistry Core Outcome Set and Measurement (ID-COSM) international consensus established essential domains for implant research but lacks a validated, clinically feasible patient-reported outcome instrument. Existing dental PROMs like The Oral Health Impact Profile with 14 items are too general for implant-specific evaluation, while comprehensive tools like the ICHOM Adult Oral Health Standard Set are too lengthy for routine clinical use.
Study Design:
This prospective multicenter cohort study develops and validates the Dental Implant Set (DENS), a patient-reported outcome measure based on ID-COSM domains and items extracted from validated instruments (The Oral Health Impact Profile with 14 items, the Psychosocial Impact of Dental Aesthetics Questionnaire, the Patient Satisfaction Questionnaire with 18 items, the Dental Satisfaction Questionnaire, and the Quality of My Facial Questionnaire are used). The DENS captures four core domains: pathophysiology, implant/prosthesis lifespan, life impact, and functional outcomes.
Technical Implementation:
Data collection occurs through an integrated online platform using GemTracker and LimeSurvey. Participating clinics receive secure access credentials and standardized protocols. Patient questionnaires are distributed via secure links prior to appointments, with alternative in-clinic completion available. Clinical data entry occurs immediately post-appointment.
Validation Framework:
Psychometric evaluation includes internal consistency reliability (Cronbach's alpha), construct validity through confirmatory factor analysis, convergent validity via correlations with clinical parameters, and known-groups validity comparing patient subgroups. Test-retest reliability assessment occurs between stable timepoints.
Multicenter Design:
Approximately 30 dental implant clinics across Netherlands and Spain participate, each recruiting 50-60 patients. This design ensures diverse patient populations and practice settings while maintaining standardized data collection protocols through investigator calibration meetings.
Follow-up Schedule:
The study follows natural implant treatment phases with assessments at baseline (pre-implantation), 1-2 weeks post-implantation (surgical healing), 3 months post-implantation (tissue maturation), 3 months post-loading (initial functional adaptation), and 10 months post-loading (mature functional outcomes). This timeline aligns with standard implant care protocols.
Quality Assurance:
Standardization is maintained through investigator calibration, protocol training, and real-time data monitoring. Missing data patterns and completion rates are tracked to assess implementation feasibility. The pseudonymized data structure ensures patient privacy while enabling comprehensive analysis.
Expected Outcomes:
The validated DENS will provide a standardized, clinically feasible tool for routine implant outcome assessment, enabling benchmarking between practices, quality improvement initiatives, and value-based healthcare implementation in implant dentistry.
Conditions
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Study Design
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COHORT
PROSPECTIVE
Study Groups
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Implant Group
Patients (18 years and older) that require implants for tooth rehabilitation after loss of tooth/teeth..
Implantology
Implantology is a branch of dentistry focused on the placement and maintenance of dental implants, which are artificial tooth roots made typically from titanium. These implants are surgically inserted into the jawbone to support crowns, bridges, or dentures, providing a stable and long-lasting solution for missing teeth. Implantology involves careful planning, surgical procedures, and prosthetic restoration, often requiring collaboration between dental specialists. It aims to restore function, aesthetics, and patient quality of life.
Interventions
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Implantology
Implantology is a branch of dentistry focused on the placement and maintenance of dental implants, which are artificial tooth roots made typically from titanium. These implants are surgically inserted into the jawbone to support crowns, bridges, or dentures, providing a stable and long-lasting solution for missing teeth. Implantology involves careful planning, surgical procedures, and prosthetic restoration, often requiring collaboration between dental specialists. It aims to restore function, aesthetics, and patient quality of life.
Eligibility Criteria
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Inclusion Criteria
* Indication for implant-supported fixed single or multiple tooth replacement
* Indication for implant-supported removable prosthesis
* Immediate implant placement cases
* Implant placement after implant failure
Exclusion Criteria
* Physical inability
* Pregnancy
* History of radiotherapy in head and neck region
* Language barriers
* Patients requiring soft tissue grafts prior to dental implant placement
* Patients requiring bone augmentation with harvesting autogenous bone from intraoral sites prior to dental implant placement
18 Years
75 Years
ALL
No
Sponsors
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University of Santiago de Compostela
OTHER
University Medical Center Groningen
OTHER
Erasmus Medical Center
OTHER
Responsible Party
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Dr. Justin Pijpe
Principal Investigator, Oral Maxillofacial Surgery Department
Principal Investigators
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Eppo B Wolvius, Prof. PhD. DMD. MD.
Role: PRINCIPAL_INVESTIGATOR
Erasmus Medical Center
Locations
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Erasmus Medical Center
Rotterdam, South Holland, Netherlands
Countries
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Central Contacts
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Justin Pijpe, MD, DMD, PhD
Role: CONTACT
Facility Contacts
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References
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Wittneben JG, Wismeijer D, Bragger U, Joda T, Abou-Ayash S. Patient-reported outcome measures focusing on aesthetics of implant- and tooth-supported fixed dental prostheses: A systematic review and meta-analysis. Clin Oral Implants Res. 2018 Oct;29 Suppl 16:224-240. doi: 10.1111/clr.13295.
van der Meulen MJ, John MT, Naeije M, Lobbezoo F. The Dutch version of the Oral Health Impact Profile (OHIP-NL): Translation, reliability and construct validity. BMC Oral Health. 2008 Apr 11;8:11. doi: 10.1186/1472-6831-8-11.
Torrance GW, Feeny D, Furlong W. Visual analog scales: do they have a role in the measurement of preferences for health states? Med Decis Making. 2001 Jul-Aug;21(4):329-34. doi: 10.1177/0272989X0102100408.
Tan WC, Krishnaswamy G, Ong MM, Lang NP. Patient-reported outcome measures after routine periodontal and implant surgical procedures. J Clin Periodontol. 2014 Jun;41(6):618-24. doi: 10.1111/jcpe.12248. Epub 2014 Apr 21.
Steinmann G, Delnoij D, van de Bovenkamp H, Groote R, Ahaus K. Expert consensus on moving towards a value-based healthcare system in the Netherlands: a Delphi study. BMJ Open. 2021 Apr 12;11(4):e043367. doi: 10.1136/bmjopen-2020-043367.
Slade GD. Derivation and validation of a short-form oral health impact profile. Community Dent Oral Epidemiol. 1997 Aug;25(4):284-90. doi: 10.1111/j.1600-0528.1997.tb00941.x.
Ruiz Henao PA, Caneiro Queija L, Mareque S, Tasende Pereira A, Linares Gonzalez A, Blanco Carrion J. Titanium vs ceramic single dental implants in the anterior maxilla: A 12-month randomized clinical trial. Clin Oral Implants Res. 2021 Aug;32(8):951-961. doi: 10.1111/clr.13788. Epub 2021 Jul 8.
Riordain RN, Glick M, Mashhadani SSAA, Aravamudhan K, Barrow J, Cole D, Crall JJ, Gallagher JE, Gibson J, Hegde S, Kaberry R, Kalenderian E, Karki A, Celeste RK, Listl S, Myers SN, Niederman R, Severin T, Smith MW, Murray Thomson W, Tsakos G, Vujicic M, Watt RG, Whittaker S, Williams DM. Developing a Standard Set of Patient-centred Outcomes for Adult Oral Health - An International, Cross-disciplinary Consensus. Int Dent J. 2021 Feb;71(1):40-52. doi: 10.1111/idj.12604. Epub 2021 Jan 16.
Powell CA, Mealey BL, Deas DE, McDonnell HT, Moritz AJ. Post-surgical infections: prevalence associated with various periodontal surgical procedures. J Periodontol. 2005 Mar;76(3):329-33. doi: 10.1902/jop.2005.76.3.329.
Nielsen HB, Schou S, Bruun NH, Starch-Jensen T. Professional and patient-reported outcomes of two surgical approaches for implant-supported single-crown restoration: 1-year results of a randomized controlled clinical trial. Clin Oral Implants Res. 2022 Feb;33(2):197-208. doi: 10.1111/clr.13883. Epub 2021 Dec 17.
Montero-Martin J, Bravo-Perez M, Albaladejo-Martinez A, Hernandez-Martin LA, Rosel-Gallardo EM. Validation the Oral Health Impact Profile (OHIP-14sp) for adults in Spain. Med Oral Patol Oral Cir Bucal. 2009 Jan 1;14(1):E44-50.
Mareque S, Castelo-Baz P, Lopez-Malla J, Blanco J, Nart J, Valles C. Clinical and esthetic outcomes of immediate implant placement compared to alveolar ridge preservation: a systematic review and meta-analysis. Clin Oral Investig. 2021 Aug;25(8):4735-4748. doi: 10.1007/s00784-021-03986-6. Epub 2021 Jun 7.
Lavrakas, P. J. (2008). Encyclopedia of survey research methods (Vols. 1-0). Thousand Oaks, CA: Sage Publications, Inc.
Kunavisarut C, Jarangkul W, Pornprasertsuk-Damrongsri S, Joda T. Patient-reported outcome measures (PROMs) comparing digital and conventional workflows for treatment with posterior single-unit implant restorations: A randomized controlled trial. J Dent. 2022 Feb;117:103875. doi: 10.1016/j.jdent.2021.103875. Epub 2021 Oct 30.
Kragt L, Tiemeier H, Wolvius EB, Ongkosuwito EM. Measuring oral health-related quality of life in orthodontic patients with a short version of the Child Oral Health Impact Profile (COHIP). J Public Health Dent. 2016 Mar;76(2):105-12. doi: 10.1111/jphd.12118. Epub 2015 Sep 2.
Kragt L, Jaddoe V, Wolvius E, Ongkosuwito E. The association of subjective orthodontic treatment need with oral health-related quality of life. Community Dent Oral Epidemiol. 2017 Aug;45(4):365-371. doi: 10.1111/cdoe.12299. Epub 2017 Mar 31.
Jonker BP, Wolvius EB, van der Tas JT, Tahmaseb A, Pijpe J. Esthetics and Patient-Reported Outcomes of Implants Placed with Guided Bone Regeneration and Complete Native Bone: A Prospective Controlled Clinical Trial. Int J Oral Maxillofac Implants. 2020 Mar/Apr;35(2):406-414. doi: 10.11607/jomi.7751.
Jensen C, Raghoebar GM, Kerdijk W, Meijer HJA, Cune MS. Implant-supported mandibular removable partial dentures; patient-based outcome measures in relation to implant position. J Dent. 2016 Dec;55:92-98. doi: 10.1016/j.jdent.2016.10.008. Epub 2016 Oct 18.
Feine J, Abou-Ayash S, Al Mardini M, de Santana RB, Bjelke-Holtermann T, Bornstein MM, Braegger U, Cao O, Cordaro L, Eycken D, Fillion M, Gebran G, Huynh-Ba G, Joda T, Levine R, Mattheos N, Oates TW, Abd-Ul-Salam H, Santosa R, Shahdad S, Storelli S, Sykaras N, Trevino Santos A, Stephanie Webersberger U, Williams MAH, Wilson TG Jr, Wismeijer D, Wittneben JG, Yao CJ, Zubiria JPV. Group 3 ITI Consensus Report: Patient-reported outcome measures associated with implant dentistry. Clin Oral Implants Res. 2018 Oct;29 Suppl 16:270-275. doi: 10.1111/clr.13299.
Tonetti MS, Sanz M, Avila-Ortiz G, Berglundh T, Cairo F, Derks J, Figuero E, Graziani F, Guerra F, Heitz-Mayfield L, Jung RE, Lai H, Needleman I, Papapanou PN, Sailer I, Sanz-Sanchez I, Schwarz F, Shi J, Thoma D. Relevant domains, core outcome sets and measurements for implant dentistry clinical trials: The Implant Dentistry Core Outcome Set and Measurement (ID-COSM) international consensus report. J Clin Periodontol. 2023 May;50 Suppl 25:5-21. doi: 10.1111/jcpe.13808. Epub 2023 May 4.
Related Links
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Website for patients and clinicians for information regarding the DENS study
Other Identifiers
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1661-2022
Identifier Type: OTHER_GRANT
Identifier Source: secondary_id
MEC-2023-0688
Identifier Type: -
Identifier Source: org_study_id
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