Clinical comparison of preformed stainless steel crown and 3D printed resin crown for restoration of primary molars
- Conditions
- Symptoms, signs and abnormal clinical and laboratory findings, NEC
- Registration Number
- KCT0006232
- Lead Sponsor
- Yonsei University Health System, Dental Hospital
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- ot yet recruiting
- Sex
- All
- Target Recruitment
- 60
Persons aged 4 to 8 years old
Those who have teeth that require total systemic treatment with expected dropout period after 2 years
Those who do not have non-functional movements such as teeth grinding
Those without temporomandibular joint disorder or other occlusal disorders
A person who does not have a crown-shaped prosthesis on the opposing tooth of the restoration target
Persons with developmental disabilities that may affect the development of systemic diseases, dental and oral diseases
Those classified in Frankl behavior classification scale 1,2
A person who has difficulty in restoring a normal canal due to movement of the premolars due to dental caries
Those with hypersensitivity to resin materials
When both the patient and the guardian cannot read the consent form (illiterate, foreigner, etc.)
Those who did not erupt or were eliminated
Study & Design
- Study Type
- Observational Study
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Apical radiograph;Oral clinical picture;Quigley Hein Plaque index and GI-gingival index;Fracture and crack inspection using fluorescence spectroscopy (Q-ray);Evaluation of the condition of the prosthesis (perforation, wear, fracture, dropout)
- Secondary Outcome Measures
Name Time Method Fill out the questionnaire (guardians of research participants)