Abstract: Objective To improve adult anterior teeth with slight malocclusion and obtain clinical aesthetical effect by using zirconium dioxide all-ceramic restoration in a short period of treatment. Methods 22 patients with slight malocclusion in anterior teeth, who were unwilling or unsuitable for orthodontic treatment in a long time, were selected for all-ceramic aesthetical restoration. After treatment, therapeutic effects were evaluated with a follow-up observation in one year. Results 19 patients were satisfied with the orthodontic effects. Their dentitions were tidily and beautifully restored, and had harmonious relationships with adjacent teeth, jaw teeth, and the patients’ facial appearances. Conclusion The choice of indications, preparation before dental aesthetical restoration, standardized butment preparation, fabrication of transitional restoration, and the selection of all-ceramic materials, were crucial for using all-ceramic restoration to improve adult anterior teeth with slight malocclusion.

Key words: anterior teeth with Slightly Malocclusion, all-ceramic crown,, aesthetic restoratio