Evaluation of Fluid Biomarkers Around Implants Exhibiting Early Stage Periimplant Bone Loss
7 de maio de 2026 atualizado por: Raziye Tugce Can Keles, Pamukkale University
Evaluation of Biomarkers Involved In Bone Metabolism (Remodeling) In Periimplanter Crevicular Fluid of Implants With Early Marginal Bone Loss: A Retrospective Clinical Study
This study aimed to compare biological mediators known to be important in peri-implant diseases in implants with and without early stage marginal bone loss.
A total of 118 implants in 59 patients were designated as test and control groups.
The radiographic and periodontal data of the included implants, along with peri-implant sulcus fluid samples, were evaluated.
Visão geral do estudo
Status
Concluído
Condições
Intervenção / Tratamento
Descrição detalhada
This study included clinical and radiographic records of patients who received implant treatment in the maxilla and/or mandible between 11/2021 and 9/2024.
Patients were divided into test and control groups based on the presence/absence of EMBL after prosthetic loading.
Periodontal clinical measurements were recorded and peri-implant sulcus fluid (PISF) samples were collected.
Sclerostin, calprotectin, type I collagen cross-linked N-telopeptide (NTx), matrix metalloproteinase (MMP)-8, and MMP-9 levels were analyzed using ELISA.
Group comparisons were performed with the statistical analyses.
Tipo de estudo
Observacional
Inscrição (Real)
59
Contactos e Locais
Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.
Locais de estudo
-
-
-
Denizli, Turquia (Türkiye), 20160
- Pamukkale University, Faculty of Dentistry, Periodontology
-
-
Critérios de participação
Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.
Critérios de elegibilidade
Idades elegíveis para estudo
- Filho
- Adulto
- Adulto mais velho
Aceita Voluntários Saudáveis
Sim
Método de amostragem
Amostra Não Probabilística
População do estudo
Patients who received implant treatment at the Department of Periodontology, Pamukkale University Faculty of Dentistry.
Descrição
Inclusion Criteria:
- Presence of 1 mm or more of radiographic marginal bone loss within the first 3 months after implant placement
- Availability of radiographic documentation
- Availability of demographic data, surgical records, and data related to the implant used
- Physical condition classified as Class I and II according to the American Society of Anesthesiologists (ASA) classification
- Patients with no smoking history in the last 10 years
- Fixed implant-supported restorations
- Screw-retained implants
Exclusion Criteria:
- Patients receiving and/or maintaining implant treatment at centers other than the Department of Periodontology, Pamukkale University Faculty of Dentistry
- Patients with incomplete or unreachable files or radiographic documentation
- Patients with a known systemic disease/condition that alters their physical condition or bone metabolism
- Severe bruxism cases
- Pregnant and breastfeeding patients
- Patients with incomplete implant-supported prosthesis
- Areas grafted during or before implant surgery
- Removable implant-supported restorations
- Cement-retained implants
- Patients undergoing peri-implantitis treatment
Plano de estudo
Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.
Como o estudo é projetado?
Detalhes do projeto
Coortes e Intervenções
Grupo / Coorte |
Intervenção / Tratamento |
|---|---|
|
Test
Presence of marginal bone loss of 1 mm or more within the first 3 months after implant placement
|
To evaluate biomarkers associated with peri-implant bone loss, periopaper was placed in the peri-implant pocket and absorbed with sulcus fluid.
Parallel cone technique was used during periapical imaging to accurately measure peri-implant bone loss.
|
|
Control
Presence of less than 1 mm of marginal bone loss within the first 3 months after implant placement
|
To evaluate biomarkers associated with peri-implant bone loss, periopaper was placed in the peri-implant pocket and absorbed with sulcus fluid.
Parallel cone technique was used during periapical imaging to accurately measure peri-implant bone loss.
|
O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
|
Calprotectin levels in peri-implant crevicular fluid
Prazo: 6-8 week after prosthetic treatment
|
After collecting peri-implant sulcus fluid using the paper strip method, calprotectin levels in the peri-implant sulcus region were determined using the ELISA method and recorded in ng/ml.
|
6-8 week after prosthetic treatment
|
|
Sclerostin levels in peri-implant crevicular fluid
Prazo: 6-8 week after prosthetic treatment
|
After collecting peri-implant sulcus fluid using the paper strip method, sclerostin levels in the peri-implant sulcus region were determined using the ELISA method and recorded in pg/ml.
|
6-8 week after prosthetic treatment
|
|
NTx levels in peri-implant crevicular fluid
Prazo: 6-8 week after prosthetic treatment
|
After collecting peri-implant sulcus fluid using the paper strip method, NTx levels in the peri-implant sulcus region were determined using the ELISA method and recorded in ng/ml.
|
6-8 week after prosthetic treatment
|
|
MMP-8 levels in peri-implant crevicular fluid
Prazo: 6-8 week after prosthetic treatment
|
After collecting peri-implant sulcus fluid using the paper strip method, MMP-8 levels in the peri-implant sulcus region were determined using the ELISA method and recorded in ng/ml.
|
6-8 week after prosthetic treatment
|
|
MMP-9 levels in peri-implant crevicular fluid
Prazo: 6-8 week after prosthetic treatment
|
After collecting peri-implant sulcus fluid using the paper strip method, MMP-9 levels in the peri-implant sulcus region were determined using the ELISA method and recorded in ng/ml.
|
6-8 week after prosthetic treatment
|
Outras medidas de resultado
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
|
Radiographic detecting of Peri-implant marginal bone loss
Prazo: Baseline, 3 months
|
The amount of marginal bone loss was determined by comparing the periapical radiograph taken on the day the implants were placed with the radiograph taken at 3 months.
Measurements of digital radiographic images were performed using computer software.
Then, study groups were determined according to the presence or absence of peri-implant marginal bone loss.
|
Baseline, 3 months
|
|
Modified Bleeding İndex
Prazo: During the same session as the peri-implant fluid collection procedure
|
This assessment was performed based on the bleeding response following gentle probing with a plastic probe in the four regions of each implant (mesial, distal, palatal/lingual, and buccal).
The severity of bleeding observed within approximately 10-30 seconds after probing was scored and recorded.
The scoring system was graded as follows: 0: no bleeding, 1: bleeding at a single point, 2: bleeding at several points or in a linear pattern, 3: heavy bleeding following probing.
|
During the same session as the peri-implant fluid collection procedure
|
|
Peri-implant pocket depth
Prazo: During the same session as the peri-implant fluid collection procedure
|
A plastic periodontal probe was used to determine peri-implant pocket depth.
Measurements were taken by using the probe, supported by its own weight, parallel to the long axis of the tooth.
Pocket depth was measured at 6 sites (mesio-buccal, buccal, disto-buccal, mesio-palatal/lingual, palatal/lingual, disto-palatal/lingual) for each implant included in the study and recorded in millimeters (mm).
The pocket depth value for each dental implant was obtained by calculating the average of the 6 measured values.
|
During the same session as the peri-implant fluid collection procedure
|
|
Gingival İndex
Prazo: During the same session as the peri-implant fluid collection procedure
|
The mesial, distal, buccal, and lingual/palatal surfaces of each tooth/implant were evaluated separately, and the average of the scores obtained was recorded as the gingival index value for that tooth/implant.
Scoring during the evaluation was performed as follows: 0 = normal gingiva, 1 = mild inflammation (color change, mild edema, no bleeding on probing), 2 = moderate inflammation (redness, edema, bleeding on probing), 3 = severe inflammation (marked redness, edema, ulceration, spontaneous bleeding).
Subsequently, all values were summed and divided by the total number of teeth and implants to record the gingival index score.
|
During the same session as the peri-implant fluid collection procedure
|
|
Modified Plaque İndex
Prazo: During the same session as the peri-implant fluid collection procedure
|
The mesial, distal, buccal, and lingual/palatal surfaces around the teeth/implants were examined, and the average of the scores obtained for each surface was recorded as the plaque index for that tooth/implant.
The scoring criteria were as follows: 0 = no plaque, 1 = plaque detectable only with a probe, 2 = soft plaque accumulation visible to the naked eye, 3 = the tooth surface covered with a distinct plaque layer.
Subsequently, all values were summed and divided by the total number of teeth and implants to record the modified plaque index score.
|
During the same session as the peri-implant fluid collection procedure
|
|
Peri-implant mucosal recession
Prazo: During the same session as the peri-implant fluid collection procedure
|
The abutment-implant interface was designated as the reference point for determining the extent of peri-implant mucosal recession, and the distance between the reference point and the free gingival margin was measured using a periodontal probe.
Mucosal recession was recorded in four regions (mesio-buccal, mid-buccal, disto-buccal, mid-lingual/palatal) for each implant included in the study.
The recession value for each implant was obtained by calculating the average of the four measured values.
|
During the same session as the peri-implant fluid collection procedure
|
Colaboradores e Investigadores
É aqui que você encontrará pessoas e organizações envolvidas com este estudo.
Patrocinador
Investigadores
- Investigador principal: Raziye Tugce Can Keles, R.A., Pamukkale University Faculty of Dentistry, Department of Periodontology
- Diretor de estudo: Gizem Torumtay Cin, Assoc. Prof., Pamukkale University Faculty of Dentistry, Department of Periodontology
Datas de registro do estudo
Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.
Datas Principais do Estudo
Início do estudo (Real)
6 de março de 2025
Conclusão Primária (Real)
6 de setembro de 2025
Conclusão do estudo (Real)
6 de setembro de 2025
Datas de inscrição no estudo
Enviado pela primeira vez
3 de maio de 2026
Enviado pela primeira vez que atendeu aos critérios de CQ
7 de maio de 2026
Primeira postagem (Real)
13 de maio de 2026
Atualizações de registro de estudo
Última Atualização Postada (Real)
13 de maio de 2026
Última atualização enviada que atendeu aos critérios de controle de qualidade
7 de maio de 2026
Última verificação
1 de maio de 2026
Mais Informações
Termos relacionados a este estudo
Palavras-chave
Termos MeSH relevantes adicionais
Outros números de identificação do estudo
- E-60116787-020-604271
- 2025DİŞF001 (Outro identificador: Office of Scientific Research Projects of Pamukkale University)
Plano para dados de participantes individuais (IPD)
Planeja compartilhar dados de participantes individuais (IPD)?
NÃO
Informações sobre medicamentos e dispositivos, documentos de estudo
Estuda um medicamento regulamentado pela FDA dos EUA
Não
Estuda um produto de dispositivo regulamentado pela FDA dos EUA
Não
Essas informações foram obtidas diretamente do site clinicaltrials.gov sem nenhuma alteração. Se você tiver alguma solicitação para alterar, remover ou atualizar os detalhes do seu estudo, entre em contato com register@clinicaltrials.gov. Assim que uma alteração for implementada em clinicaltrials.gov, ela também será atualizada automaticamente em nosso site .