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NCT07261137
This is a clinical study evaluating a new dental product called Solventum™ Vitrebond™ Pulp Protect Liner/Base. This new product is designed to be used as a liner or base between the tooth and the dental filling, as well as for a procedure called direct pulp capping (DPC) if there is exposed pulp. Dental pulp is the part of the tooth that contains the nerves, blood vessels, and cells that keep your tooth healthy. This study will focus specifically on the liner/base application. In this study, the Solventum study product will be compared to a similar, commercially available product made by Solventum called 3M™ Vitrebond™ Plus Light Cure Glass Ionomer Liner/Base (Vitrebond Plus for short). The study will include participants who are at least 7 years old who have at least one tooth with moderate or advanced caries (tooth decay). The entire duration of the study is anticipated to be 2 years from when the first subject begins the study until the last subject completes the study. The duration of each study subject's participation will be up to 1 year consisting of an initial tooth restoration visit at baseline, a subject self-reported post-operative sensitivity assessment at 1 week reported by phone call, and in-person follow-up assessments at 1 month, 6 months, and 1 year post-restoration to confirm safety and effectiveness. The study will be partially blinded, which means that the participant and the dentist doing the assessments won't know which liner/base product is used on their tooth.
NCT06354647
The purpose of this research study is to test the effectiveness of two different crowns/caps on teeth for restoration of primary anterior teeth. The two different materials of crowns are esthetic crowns with retentive grooves and without retentive crowns. These crowns are placed on the teeth to restore function, esthetics and prevent further caries and infection.
NCT06463574
The objective of this study is to evaluate the micro-tensile bond strength of a newly self-adhesive resinous restorative material to dentin with and without application of universal bonding system (in-vitro) and to examine it's clinical performance by evaluation of it's color stability and marginal discoloration through a randomized clinical trial (in-vivo).
NCT06195449
To evaluate the clinical and radiographic performance of Alkasite restorative material versus glass ionomer in restoration of primary molars.
NCT05853679
Around 40 people will participate in the study. The study participants will be recruited from service homes in the City of Helsinki. The subjects will be randomized into two groups. One of the groups will receive daily photodynamic Lumoral treatment for 2 months in a home care unit according to a separate instruction manual. At the beginning of the study, all subjects will receive an oral cleaning and will also be provided with electric toothbrushes. In addition, residents and care home personnel will be instructed on daily tooth cleaning. During the study, all participants will undergo clinical measurements and an assessment of the oral inflammatory load. The samples will be stored for later analysis. In addition, residents or care home personnel answer questions about oral self-care. These measurements and examinations will be carried out at the start of the study and two months after the start of the study. After the end of the study, participants will continue to be treated according to their usual care and individual care plan.
NCT05908136
Alterations in oral health of children interfere with their quality of life. Dental caries is the most common public health problem of children . The disease is the result of a complex interaction between acid producing tooth-adherent bacteria and fermentable carbohydrates. Over time, the acids in the dental plaque demineralize enamel and dentin in the fissures and the smooth surfaces of the tooth. The earliest visual sign of dental caries is white spot lesion. If demineralization continues, the surfaces of the white spot will cavitate, resulting in a cavity. If demineralization environment is reduced or eliminated, white spot lesions may remineralize and not progress. Risk factors include high numbers of cariogenic bacteria, high frequency sugar consumption, inadequate salivary flow, insufficient fluoride exposure, poor oral hygiene, and poverty. The early diagnosis and management of caries still a challenge of dental care for children . The prefabricated metal crowns are often the first choice for the repair of severely damaged primary teeth and have been one of the most effective and efficient methods of tooth restoration in pediatric dentistry since Humphrey first used them in pediatric patients in 1950 . They are used to restore primary or permanent teeth with extensive or multisurface cavities, cervical decalcification, and/or developmental defects . The prefabricated metal crowns have many advantages over other crown types and dental restorative materials . Their life span is the same as that of an intact primary tooth, they provide protection to the residual tooth structure that may have been weakened after excessive caries removal, the technique sensitivity or the risk of making errors during their application is low and their cost is low . Despite many advantages, the metal appearance of these crowns is unpleasant to the parents and children and they prefer tooth-colored restorations to silver-colored fillings regardless of location of restorations . Inflammation of the surrounding gingival tissue is a problem frequently associated with prefabricated metal crowns. The incidence of gingivitis has been reported to be higher around poorly fitting crowns than around the crowns considered to be well adapted . Considering the increasing demand for esthetic restorations, several treatment options have been proposed for primary teeth to overcome this problem such as strip crowns, pre-veneered stainless steel crowns and zirconia crowns . Strip crown was introduced by Webber et al., in 1979 . strip crowns are available in different brands but the most commonly used resin composite strip crowns worldwide is 3M ESPE crown (3M ESPE Dental). Composite resin strip crowns (SC) have been utilized for over 2 decades to restore carious primary teeth . In spite of a long time of using, there is a paucity of literature concerning the clinical success of these crowns . Incorporation of ceramic nanofibers in dental composites can significantly improve their mechanical properties and fracture toughness and thus may extend their service life. This study aimed to assess clinically and radiographicaly of primary teeth restored with stability of the glassionomer and two composite material crown restoration using the preformed strip crown technique in primary molars.
NCT05734027
Class II caries affects proximal surfaces of premolars and maintain their anatomical proximal contact of tooth, is important to avoid food impaction in the interdental area for protection of periodontium and occurrence of secondary carious lesion.Different types of Matrix band system are used to restore tooth cavities with missing proximal walls, including flat or pre-contoured bands, retainer-fixed circumferential systems, and sectional matrices, and either metal or plastic matrices which produces good contours and contacts for use with amalgam and can also be employed for insertion of composite resin.This study aimed at assessing the influence of different matricing techniques :either sectional matrix or circumferential matrix and the influence of operator experience on reproduction of optimum proximal contacts for posterior proximal resin composite restorations.
NCT04756557
Target question is as the following one: Does the daily use of a fluoride-free, microcrystalline hydroxyap-atite (HAP) - containing test toothpaste have a non-inferior caries preventing effect in the permanent dentition compared to the regular use of a fluoride control toothpaste (1450 ppm F-) with proven caries preventive efficacy (Walsh et al. 2019)? This multicenter, non-inferiority clinical trial, randomized, double-blind, active-controlled design, two-armed study evaluates the hypothesis that the home regular use of a toothpaste containing microcrystalline hydroxylapatite (HAP) (test toothpaste) provides a caries preventive effect in adults aged 18-45 comparable to the caries preventive effect provided by the regular use of a fluoridated tooth paste (1450 ppm -F) (control toothpaste) over observation periods of max. 18 months. Caries development will be assessed according to the clinical criteria of the Decay Missing Filling Surface Index (DMFS).
NCT05554757
Isolation is essential for the successful placement of esthetic restoration to avoid any contamination of cavity with saliva ,secreation,and blood dental . This study is comparison of optradam and convetional rubberdam system.The aim of this study is to investigate which rubberdam system is better accepted by patients and dentists
NCT05250232
the aim of present study is to evaluate clinically the fracture liability , marginal adaptation , and patient satisfaction of conservative versus conventional ceramic Onlays use e-max press to restore defective restored molar with old restoration or caries. with one or more cusp defect
NCT02027597
This study investigated if computer games can be effective at changing the way children take care of their teeth. We a museum exhibit with 3D virtual reality games called "Attack of the S. Mutans!" Our hypothesis was that children who played the games and visited the exhibit would show improved attitudes about oral health, which would translate into improved brushing and self-care habits. In this randomized controlled study with school children aged 8-12, we compared the outcomes for three groups: Group 1) Visited Attack of the S. Mutans!; Group 2) Experienced a hands-on classroom presentation about virtual reality being used for healthcare; Group 3) Received no-treatment.