A 3-Year Clinical Evaluation of Endodontically Treated Posterior Teeth Restored with Resin Nanoceramic Computer-Aided Design/Computer-Aided Manufacture (CAD/CAM)-Fabricated Partial Crowns

18 August 2022 : Clinical Research

Lei Zhang^1E, Xiao-Xia Hou^2C, Maihefuzi Aishan^3B, Meng-Ting Tian^3B, Hui-Yu He^1A*

DOI: 10.12659/MSM.937331

Med Sci Monit 2022; 28:e937331

Background Material and Methods Results Discussion Conclusions References

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Table 1 Eligibility criteria.

Eligibility criteria	Criteria
Inclusion	Teeth must receive endodontic therapy before restoration
	The periodontal condition had to be stabilized before restoration
	No subject complained of discomfort in the teeth
	Radiograph revealing alveolar bone resorption of less than a third and no shadow around the periapical tissues
	Participants who provided written informed consent were recruited in collaboration
Exclusion	Any teeth with microcracks or fracture lines
	Affected teeth without completed root canal treatment
	The defect was less than 1/4 of the crown or more than 3/4 of the crown and the margin of the residual crown was more than 1 mm below the gingival level
	Bruxism or clenching patients
	Poor oral hygiene and periodontal status which persisted or worsened after periodontal therapy and education
	Poor general health or pregnancy
	Patients with poor adherence

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