Prospective study of 3D printing composite resin crown

JRCT ID: jRCTs022210070

Registered date:21/02/2022

Basic Information

• Recruitment status: Recruiting
• Health condition(s) or Problem(s) studied: Dental caries, root canal treated tooth, ill-fitting crown
• Date of first enrollment: 21/02/2022
• Target sample size: 25
• Study type: Interventional
• Intervention(s): Insertion of composite resin crown on molar

Outcome(s)

• Primary Outcome: Complication of object tooth (crown debonding, fracture, secondary caries, root fracture)

Secondary Outcome

(1)Marginal fit
(2)Surface state of crown, staining
(3)Occlusal wear
(4)Occlusal force
(5)Perio examination
(6)Plaque check
(7)OHIP-14

Key inclusion & exclusion criteria

• Age minimum: >= 20age old
• Age maximum: Not applicable
• Gender: Both

Include criteria

(1)Males and females aged 20 years and older
(2)caries, root canal treated tooth, ill-fitting crown
(3)Performance Status 0-2
(4)Voluntarily obtained the consent of this study

Exclude criteria

(1)Lack of crown thickness
(2)Lack of abutment tooth height
(3)Anchor tooth of partial denture
(4)Lack of antagonist tooth
(5)Periodontitis of object tooth with PPD greater than orequal to 6 mm
(6)Severe bruxism
(7)Resin allergy
(8)During pregnancy
(9)Difficulty of treatment because of unreasonable expectations
(10)Difficulty of attending this study because of psychosis

Related Information

• Primary Sponsor: Egusa Hiroshi
• Source(s) of Monetary Support: GC CORPORATION