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Changes in Oral Health-related Quality of Life (OHRQoL) During Full Arch Implant Treatment

19 de julio de 2026 actualizado por: Implantology Institute

Changes in Oral Health-related Quality of Life ( OHRQoL) Full Arch Implant Treatment: A Prospective Study

Full-arch implant-supported fixed dental prostheses are a widely accepted treatment for edentulous patients, with high long-term implant survival rates. However, further research is needed on longer-term patient satisfaction and on the psychosocial impact of this treatment on patients' daily life and functioning. Assessing patient-reported outcomes - oral health-related quality of life (OHRQoL) and patient satisfaction - allows the impact of full-arch rehabilitation on patients to be evaluated.

Descripción general del estudio

Descripción detallada

The aim of this prospective observational cohort study is to evaluate changes in oral health-related quality of life (OHRQoL) during the course of full-arch implant-supported rehabilitation. The study also aims to analyze whether the type of edentulous arch (maxilla or mandible) and the type of prosthetic rehabilitation (e.g. provisional vs definitive, and different prosthetic materials) influence the evolution of OHRQoL and patient satisfaction.

Eligible patients will undergo immediate full-arch implant-supported treatment using 4, 6, or 8 implants per arch, depending on the anatomical and clinical indications. Immediate loading will be achieved through screw-retained acrylic provisional prostheses. After a healing period of 3 to 6 months, a definitive screw-retained prosthesis (monolithic zirconia, veneered zirconia, or hybrid prosthesis) will be delivered.

Patient-reported outcomes will be assessed using three instruments (two validated questionnaires - OHIP-14 PT and PIDAQ-PT - and one custom-made Global Satisfaction Questionnaire):

Oral Health Impact Profile (OHIP-14 PT)

  • Assesses perceived oral health-related quality of life.
  • Administered at five time points:

T0: Baseline (before surgery)

T1: Day of surgery (calibration)

T2: One month after surgery and provisional prosthesis placement

T3: Prior to definitive prosthesis delivery

T4: One month after definitive prosthesis placement

Psychosocial Impact of Dental Aesthetics Questionnaire (PIDAQ-PT)

  • Evaluates patients' self-perception and psychosocial impact of dental aesthetics.
  • Administered at:

T0: Baseline

T2: One month after surgery and provisional prosthesis placement

T4: One month after definitive prosthesis placement

Global Satisfaction Questionnaire - Global Satisfaction Questionnaire […] - Administered at two time points:

T0: Baseline (before surgery) T4: One month after definitive prosthesis placement

Custom-made questionnaire with six items assessing patient satisfaction in the following domains:

General condition

Phonetics

Chewing comfort

Prosthesis stability

Ease of cleaning (cleanability)

Aesthetics - Each item is rated using a 4-point Likert scale:

"Very satisfied",

"Mostly satisfied",

"Less satisfied",

"Not at all satisfied".

- Administered at T4 only.

Quantitative data collected from these instruments will be used to analyze the progression of OHRQoL throughout the rehabilitation process and to explore correlations between patient profiles (sociodemographic and clinical variables) and perceived outcomes.

All questionnaires will be administered in Portuguese using secure digital platforms (Google Forms), ensuring patient confidentiality and data integrity.

Tipo de estudio

De observación

Inscripción (Estimado)

100

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Estudio Contacto

Ubicaciones de estudio

    • Lisbon District
      • Lisbon, Lisbon District, Portugal, 1070-061
        • Reclutamiento
        • Instituto de Implantologia
        • Investigador principal:
          • Duarte Marques, Phd
        • Contacto:
          • Artur F Simões
        • Investigador principal:
          • Artur F Simões, Msc
        • Investigador principal:
          • João M Caramês, Phd

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

  • Adulto
  • Adulto Mayor

Acepta Voluntarios Saludables

No

Método de muestreo

Muestra no probabilística

Población de estudio

Adults with an indication for full-arch screw-retained implant-supported rehabilitation (FASISR) of the maxilla and/or mandible, in generally good systemic health and without contraindications to implant therapy.

Descripción

Inclusion Criteria:

Adults aged 18 years or older. Patients requiring full-arch implant-supported rehabilitation of the maxilla and/or mandible.

Patients with indication for immediate full-arch implant-supported rehabilitation using 4, 6, or 8 implants per arch, according to anatomical and clinical conditions.

Patients able to understand the study procedures and complete patient-reported outcome questionnaires Patients willing to provide written informed consent.

Exclusion Criteria:

Patients with medical contraindications for implant surgery. Patients unable to provide informed consent. Patients unable to complete the study questionnaires Patients with uncontrolled systemic conditions that may contraindicate implant therapy.

Patients unable or unwilling to attend the planned follow-up visits. Patients receiving partial-arch implant rehabilitation only.

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

Cohortes e Intervenciones

Grupo / Cohorte
Intervención / Tratamiento
Full-Arch Immediate Implant-Supported Rehabilitation

Participants will receive a full-arch immediate implant-supported prosthesis over 4, 6 or 8 implants, depending on individual anatomy and clinical indication. Some maxillary cases may require a sinus lift procedure. Immediate loading is performed with a screw-retained provisional prosthesis. After 3-6 months, a definitive prosthesis is delivered

Maxillary or/and mandibular screw retained acrylic provisional prostheses supported by at least 4 implants; Maxillary or/and mandibular screw retained hybrid prostheses supported by at least 4 implants; Maxillary or/and mandibular screw retained zirconia monolithic prostheses supported by at least 4 implants

A surgical and prosthetic treatment involving the placement of 4, 6 or 8 dental implants in the edentulous maxilla or mandible, potentially preceded by sinus augmentation if needed.

This intervention includes the full surgical and prosthetic treatment for edentulous patients undergoing full-arch implant-supported rehabilitation. The treatment consists of two main phases:

Immediate implant placement with provisional prosthesis: A surgical procedure is performed for the placement of 4, 6, or 8 implants per arch (maxilla or mandible), with or without sinus augmentation depending on the case. On the same day, a screw-retained acrylic provisional prosthesis is delivered, allowing immediate functional and aesthetic rehabilitation. Definitive prosthesis delivery:

After a healing period of approximately 3 to 6 months, once osseointegration and soft tissue stabilization are confirmed, a definitive screw-retained prosthesis is fabricated and delivered. Definitive prostheses may be manufactured from monolithic zirconia, veneered zirconia, or hybrid materials depending on the case. Both prosthetic phases are part of a standardized treatment protocol performed under control.

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Change in Oral Health-Related Quality of Life measured by the Oral Health Impact Profile-14 Portuguese version
Periodo de tiempo: [Time Frame: T0 - baseline before surgery; T1 - day of surgery; T2 - 1 month after surgery and provisional prosthesis placement; T3 - prior to definitive prosthesis delivery (approximately 3 to 6 months); T4 - 1 month after definitive prosthesis placeme

People's perceptions of the social impact of oral disorders on their well-being: oral health quality of life (OHIP-14).

Oral health-related quality of life will be assessed using the Portuguese validated version of the Oral Health Impact Profile-14 (OHIP-14). The OHIP-14 includes 14 items, each scored from 0 to 4, generating a total score ranging from 0 to 56. Higher scores indicate poorer oral health-related quality of life and greater negative impact of oral conditions on daily life. The primary outcome will be the change in total OHIP-14 score during full-arch implant-supported rehabilitation.

[Time Frame: T0 - baseline before surgery; T1 - day of surgery; T2 - 1 month after surgery and provisional prosthesis placement; T3 - prior to definitive prosthesis delivery (approximately 3 to 6 months); T4 - 1 month after definitive prosthesis placeme

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Change in psychosocial impact of dental aesthetics measured by the Psychosocial Impact of Dental Aesthetics Questionnaire - Portuguese version (PIDAQ-PT)
Periodo de tiempo: Time Frame: T0 - baseline before surgery; T2 - 1 month after surgery and provisional prosthesis placement; T4 - 1 month after definitive prosthesis placement (approximately 4 to 7 months from baseline).
The psychosocial impact of dental aesthetics will be assessed using the Portuguese validated version of the PIDAQ (PIDAQ-PT). The PIDAQ-PT comprises 23 items across four subscales (dental self-confidence, social impact, psychological impact, and aesthetic concern), each scored on a 5-point Likert scale (0 to 4). Dental self-confidence items are reverse-scored so that higher total scores indicate a greater negative psychosocial impact of dental aesthetics. The outcome is the change in PIDAQ-PT total and subscale scores during full-arch implant-supported rehabilitation.
Time Frame: T0 - baseline before surgery; T2 - 1 month after surgery and provisional prosthesis placement; T4 - 1 month after definitive prosthesis placement (approximately 4 to 7 months from baseline).
Patient satisfaction measured by a Global Satisfaction Questionnaire
Periodo de tiempo: T0 - baseline before surgery; T4 - 1 month after definitive prosthesis placement (approximately 4 to 7 months from baseline).
Patient satisfaction will be assessed using a custom-made six-item Global Satisfaction Questionnaire covering general condition, phonetics, chewing comfort, prosthesis stability, ease of cleaning (cleanability), and aesthetics. Each item is rated on a 4-point Likert scale ("Very satisfied", "Mostly satisfied", "Less satisfied", "Not at all satisfied"). The outcome is the change in patient satisfaction scores from baseline to after delivery of the definitive prosthesis.
T0 - baseline before surgery; T4 - 1 month after definitive prosthesis placement (approximately 4 to 7 months from baseline).

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Investigadores

  • Investigador principal: Artur F Simões, Msc, Implantology Institute
  • Director de estudio: Duarte Marques, Phd, Implantology Institute

Publicaciones y enlaces útiles

La persona responsable de ingresar información sobre el estudio proporciona voluntariamente estas publicaciones. Estos pueden ser sobre cualquier cosa relacionada con el estudio.

Publicaciones Generales

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio (Actual)

1 de noviembre de 2025

Finalización primaria (Estimado)

1 de octubre de 2026

Finalización del estudio (Estimado)

1 de octubre de 2028

Fechas de registro del estudio

Enviado por primera vez

28 de abril de 2026

Primero enviado que cumplió con los criterios de control de calidad

28 de abril de 2026

Publicado por primera vez (Actual)

5 de mayo de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

21 de julio de 2026

Última actualización enviada que cumplió con los criterios de control de calidad

19 de julio de 2026

Última verificación

1 de julio de 2026

Más información

Términos relacionados con este estudio

Plan de datos de participantes individuales (IPD)

¿Planea compartir datos de participantes individuales (IPD)?

INDECISO

Información sobre medicamentos y dispositivos, documentos del estudio

Estudia un producto farmacéutico regulado por la FDA de EE. UU.

No

Estudia un producto de dispositivo regulado por la FDA de EE. UU.

No

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .

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