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6-year Clinical Evaluation of Glass Ionomer Cements (GIS) With Resin Coating on Posterior Teeth (GIS)

24 novembre 2015 aggiornato da: Sebnem Turkun, Ege University

A Prospective 6-year Clinical Study Evaluating Reinforced Glass Ionomer Cements With Resin Coating on Posterior Teeth

The aim of this study was to evaluate the long-term clinical performance of two highly viscous encapsulated GICs (EquiaFil and Riva SC) covered with two different coatings (Equia Coat and Fuji Varnish) over 6-year using modified United State Public Health Service (USPHS) criteria.

A total of 256 restorations were made with EquiaFil and Riva SC. Equia Coat or Fuji Varnish was used randomly on the surface of the restorations. The restorations were evaluated at baseline, 6, 12, 18 months and 6 years after placement using modified USPHS criteria. The results were evaluated with Pearson Chi-Square and Mann Whitney U-test (p< 0.05).

Panoramica dello studio

Stato

Completato

Condizioni

Intervento / Trattamento

Descrizione dettagliata

The aim of this study was to evaluate the long-term clinical performance of two highly viscous encapsulated GICs (EquiaFil and Riva SC) covered with two different coatings (Equia Coat and Fuji Varnish) over 6-year using modified United State Public Health Service (USPHS) criteria.

Fifty-four patients having Class I and II restorations/caries were included in the study. A total of 256 restorations were made with EquiaFil (GC Corp, Japan) and Riva SC (SDI, Australia). Equia Coat or Fuji Varnish was used randomly on the surface of the restorations. After cavity preparations, the teeth were randomly restored with one glass ionomer cement and coated with Equia Coat or Fuji Varnish. The restorations were evaluated at baseline, 6, 12, 18 months and 6 years after placement using modified USPHS criteria. Two evaluators checked color-match, marginal discoloration, marginal adaptation, caries formation, anatomical form, postoperative sensitivity and retention rate and photographs were taken at each recalls. The results were evaluated with Pearson Chi-Square and Mann Whitney U-test (p< 0.05).

The 18-month results were presented at the CED IADR congress iheld in Barcelona in 2010 (Turkun LS, & Kanic O ,Clinical evaluation of new glass ionomer coating combined systems for 18-months Journal of Dental Research 89 (Special Issue B) Abstract #402.) Gurgan S et al. also mentioned our 18-month results in their published manuscript ( Gurgan S,Kutuk ZB, Ergin E, Oztas ZZ & Cakir FY (2015) Four-year randomized clinical trial to evaluate the clinical performance of a glass ionomer restorative system Operative Dentistry 40(2) 134-143).

Tipo di studio

Interventistico

Iscrizione (Effettivo)

54

Fase

  • Non applicabile

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

Da 17 anni a 55 anni (Bambino, Adulto)

Accetta volontari sani

Sì

Sessi ammissibili allo studio

Tutto

Descrizione

Inclusion Criteria:

  1. having good oral hygiene;
  2. need for at least two or more posterior restorations in contact with neighbouring tooth and in occlusion with antagonist teeth;
  3. teeth planned to be restore should be vital and symptomless;
  4. the cavity isthmus size should be more than 1/3 of the intercuspal distance.

Exclusion Criteria:

  1. absence of adjacent and antagonist teeth;
  2. teeth with periodontal problems;
  3. teeth with preoperative pain or pulpal inflammations;
  4. teeth formerly subjected to direct pulp capping;
  5. patients having severe systemic diseases, allergies or adverse medical history.

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione incrociata
  • Mascheramento: Separare

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Comparatore attivo: EquiaFil G-coat
EquiaFil G-coat combination was applied on one randomly selected cavity to be restored
Altro: EquiaFil Fuji Varnish
The old restorations or carious lesions were removed with anaesthetic solutions when necessary, a matrix was applied for two surface cavities and the restoration was performed with EquiaFil in bulk after mixing in the mixing machine. After 2min 30 sec, the restoration was contoured and the occlusion adjusted.Then the surface was coated in 2 layers of Fuji Varnish. The restorations were controlled by 2 independent examiners at baseline, 6-12-18 months and 6 years according to the United State Public Health Service criteria.
Altro: Riva SC G-coat
The old restorations or carious lesions were removed and a sectional matrix was applied for two surface cavities and the restoration was performed with Riva SC in bulk after mixing 10 sec. in the mixing machine. The glass ionomer was packed with hand instruments in the cavities and 2min after the first setting the restoration was contoured and the occlusion adjusted.Then the surface was coated with G-coat resin and light cured for 10 sec. The restorations were controlled by 2 independent examiners at baseline, 6-12-18 months and 6 years according to the United State Public Health Service criteria.
Altro: Riva SC Fuji Varnish
The caries lesions were removed with diamond and stainless steel burs, a sectional matrix was applied for restoring two surface cavities and the restoration was performed with Riva SC in bulk after mixing 10 sec. in the mixing machine. After the first setting of 2min, the restoration was contoured and the occlusion adjusted.Then the surface was coated in 2 layers with Fuji Varnish. The restorations were controlled by 2 independent examiners at baseline, 6-12-18 months and 6 years according to the United State Public Health Service criteria.
Comparatore attivo: EquiaFil Fuji Varnish
EquiaFil Fuji Varnish combination was applied on one randomly selected cavity to be restored
Altro: Riva SC G-coat
The old restorations or carious lesions were removed and a sectional matrix was applied for two surface cavities and the restoration was performed with Riva SC in bulk after mixing 10 sec. in the mixing machine. The glass ionomer was packed with hand instruments in the cavities and 2min after the first setting the restoration was contoured and the occlusion adjusted.Then the surface was coated with G-coat resin and light cured for 10 sec. The restorations were controlled by 2 independent examiners at baseline, 6-12-18 months and 6 years according to the United State Public Health Service criteria.
Altro: Riva SC Fuji Varnish
The caries lesions were removed with diamond and stainless steel burs, a sectional matrix was applied for restoring two surface cavities and the restoration was performed with Riva SC in bulk after mixing 10 sec. in the mixing machine. After the first setting of 2min, the restoration was contoured and the occlusion adjusted.Then the surface was coated in 2 layers with Fuji Varnish. The restorations were controlled by 2 independent examiners at baseline, 6-12-18 months and 6 years according to the United State Public Health Service criteria.
Altro: EquiaFil G-coat
The old restorations or new caries were removed with anaesthetic solutions when necessary, a matrix was applied for two surface cavities and the restoration was performed with EquiaFil in bulk after mixing 10 sec. in the mixing machine. After 2min 30 sec, the restoration was contoured and the occlusion adjusted.Then the surface was coated with G-coat and light cured for 10 sec. The restorations were controlled by 2 independent examiners at baseline, 6-12-18 months and 6 years according to the United State Public Health Service criteria.
Comparatore attivo: Riva SC G-coat
River SC G-coat combination was applied on one randomly selected cavity to be restored
Altro: EquiaFil Fuji Varnish
The old restorations or carious lesions were removed with anaesthetic solutions when necessary, a matrix was applied for two surface cavities and the restoration was performed with EquiaFil in bulk after mixing in the mixing machine. After 2min 30 sec, the restoration was contoured and the occlusion adjusted.Then the surface was coated in 2 layers of Fuji Varnish. The restorations were controlled by 2 independent examiners at baseline, 6-12-18 months and 6 years according to the United State Public Health Service criteria.
Altro: Riva SC Fuji Varnish
The caries lesions were removed with diamond and stainless steel burs, a sectional matrix was applied for restoring two surface cavities and the restoration was performed with Riva SC in bulk after mixing 10 sec. in the mixing machine. After the first setting of 2min, the restoration was contoured and the occlusion adjusted.Then the surface was coated in 2 layers with Fuji Varnish. The restorations were controlled by 2 independent examiners at baseline, 6-12-18 months and 6 years according to the United State Public Health Service criteria.
Altro: EquiaFil G-coat
The old restorations or new caries were removed with anaesthetic solutions when necessary, a matrix was applied for two surface cavities and the restoration was performed with EquiaFil in bulk after mixing 10 sec. in the mixing machine. After 2min 30 sec, the restoration was contoured and the occlusion adjusted.Then the surface was coated with G-coat and light cured for 10 sec. The restorations were controlled by 2 independent examiners at baseline, 6-12-18 months and 6 years according to the United State Public Health Service criteria.
Comparatore attivo: Riva SC Fuji Varnish
River SC Fuji Varnish combination was applied on one randomly selected cavity to be restored
Altro: EquiaFil Fuji Varnish
The old restorations or carious lesions were removed with anaesthetic solutions when necessary, a matrix was applied for two surface cavities and the restoration was performed with EquiaFil in bulk after mixing in the mixing machine. After 2min 30 sec, the restoration was contoured and the occlusion adjusted.Then the surface was coated in 2 layers of Fuji Varnish. The restorations were controlled by 2 independent examiners at baseline, 6-12-18 months and 6 years according to the United State Public Health Service criteria.
Altro: Riva SC G-coat
The old restorations or carious lesions were removed and a sectional matrix was applied for two surface cavities and the restoration was performed with Riva SC in bulk after mixing 10 sec. in the mixing machine. The glass ionomer was packed with hand instruments in the cavities and 2min after the first setting the restoration was contoured and the occlusion adjusted.Then the surface was coated with G-coat resin and light cured for 10 sec. The restorations were controlled by 2 independent examiners at baseline, 6-12-18 months and 6 years according to the United State Public Health Service criteria.
Altro: EquiaFil G-coat
The old restorations or new caries were removed with anaesthetic solutions when necessary, a matrix was applied for two surface cavities and the restoration was performed with EquiaFil in bulk after mixing 10 sec. in the mixing machine. After 2min 30 sec, the restoration was contoured and the occlusion adjusted.Then the surface was coated with G-coat and light cured for 10 sec. The restorations were controlled by 2 independent examiners at baseline, 6-12-18 months and 6 years according to the United State Public Health Service criteria.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Evaluating differently coated glass ionomer cements on posterior teeth with United State Public Health Service criteria regarding marginal adaptation by 2 independent evaluators
Lasso di tempo: 6 years
Marginal adaptation was evaluated by 2 independent clinicians. Visual inspection with a mirror at 18 inches was performed . A score means the higher score of clinical acceptability while C and D score means that the restoration has failed and needs to be replaced. Alpha 1: Harmonious outline Alpha 2: Marginal gap (max 100µ) with discoloration (removable) Bravo: Marginal gap (> 100µ) with discoloration (unremovable) Charlie: The restoration is fractured or missed
6 years
Evaluating differently coated glass ionomer cements on posterior teeth with United State Public Health Service criteria regarding marginal discolouration by 2 independent evaluators
Lasso di tempo: 6 years

Marginal discolouration was evaluated by 2 independent clinicians. Visual inspection with a mirror at 18 inches was performed . A score means the higher score of clinical acceptability while C score means that the restoration has failed and needs to be replaced. Alpha: No discoloration anywhere along the margin between the restoration and the adjacent tooth.

Bravo: Slight discoloration along the margin between the restoration and the adjacent tooth.

Charlie: The discoloration penetrated along the margin of the restorative material in a pulpal direction.
6 years
Evaluating differently coated glass ionomer cements on posterior teeth with United State Public Health Service criteria regarding retention rate by 2 independent evaluators
Lasso di tempo: 6 years
Retention rate was evaluated by 2 independent clinicians. Visual inspection with a mirror at 18 inches was performed . A score means the higher score of clinical acceptability while C and D score means that the restoration has failed and needs to be replaced. Alpha 1:Clinically excellent Alpha 2: Clinically good with slight deviations from ideal performance, correction possible without damage of tooth or restoration Bravo: Clinically sufficient with few defects, corrections or repair of the restoration possible Charlie: Restoration is partially missed Delta: Restoration is totally missed
6 years
Evaluating differently coated glass ionomer cements on posterior teeth with United State Public Health Service criteria regarding anatomic form by 2 independent evaluators
Lasso di tempo: 6 years
Anatomic form was evaluated by 2 independent clinicians. Visual inspection with a mirror at 18 inches was performed . A score means the higher score of clinical acceptability while C score means that the restoration has failed and needs to be replaced. Alpha 1: Continuous with existing anatomical form Alpha 2: Slightly discontinuous due to some chipping on the proximal ridge Bravo: Discontinuous with existing anatomical form due to material loss but proximal contact still present Charlie: Proximal contact is lost with ridge fracture
6 years
Evaluating differently coated glass ionomer cements on posterior teeth with United State Public Health Service criteria regarding colour changes by 2 independent evaluators
Lasso di tempo: 6 years

Colour changes was evaluated by 2 independent clinicians. Visual inspection with a mirror at 18 inches was performed . A score means the higher score of clinical acceptability while C score means that the restoration has failed and needs to be replaced. Alpha: The restoration matches the adjacent tooth structure in color and translucency.

Bravo: Light mismatch in color, shade or translucency between the restoration and the adjacent tooth.

Charlie: The mismatch in color and translucency is outside the acceptable range of tooth color and translucency.
6 years

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Effects of resin coating on the performance of glass ionomer cements according to the United State Public Health Service criteria regarding marginal adaptation, marginal discolouration, retention rate, and colour changes by 2 independent evaluators
Lasso di tempo: 6 years
The effect of different coatings on the clinical performance of the different glass ionomers tested was evaluated with United State Public Health Service criteria at baseline, 6-12-18 months and 6-years. For the evaluation 2 independent evaluators using dental problem and mirrors evaluated the resin coatings according to their retention, marginal adaptation, marginal discolouration, and colour match. There were 4 evaluation scores. Alpha meaning a perfect resin coating, Bravo meaning a coating partially effective but still clinically acceptable and Charlie and Delta meaning that the coating was partially to totally missed.
6 years

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Ege University

Pubblicazioni e link utili

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Pubblicazioni generali

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio

1 gennaio 2009

Completamento primario (Effettivo)

1 settembre 2009

Completamento dello studio (Effettivo)

1 settembre 2015

Date di iscrizione allo studio

Primo inviato

20 novembre 2015

Primo inviato che soddisfa i criteri di controllo qualità

24 novembre 2015

Primo Inserito (Stima)

26 novembre 2015

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Stima)

26 novembre 2015

Ultimo aggiornamento inviato che soddisfa i criteri QC

24 novembre 2015

Ultimo verificato

1 novembre 2015

Maggiori informazioni

Termini relativi a questo studio

Parole chiave

Termini MeSH pertinenti aggiuntivi

Altri numeri di identificazione dello studio

  • 08-10.1/6

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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