Abstract
BackgroundThe present study aimed to report a technically improved operation on the surgical exposure of labially impacted maxillary canine, elaborating the management of soft tissue to achieve better aesthetic results, and post-treatment periodontal health.MethodsPatients sought orthodontic treatment with unilateral labially impacted maxillary canines were selected in this study. The impacted teeth were assigned to the experimental group and contralateral unimpacted canines were assigned to the control group. The impacted canines were surgically exposed with dissected dental follicle (DF) stitching to muscle and mucosa surrounding the crowns. The gingival index (GI), probing depth (PD), the width of the keratinized gingiva (WKG), gingival scars (GS), bone loss (BL), and apical root resorption (ARR) were recorded after the removal of the fixed appliance. A two-sample t-test was used for independent samples for parametric variables.ResultsA total of 24 patients with unilateral maxillary canine impaction were successfully treated. The outcomes of GI, WKG, GS, BL, and ARR did not indicate statistical significance between the experimental group and the control group.ConclusionsThe preservation of DF promotes soft tissue management in combined surgical and orthodontic treatment of labially impacted maxillary canine to achieve better periodontal status.Trial Registration Chinese Clinical Trial Registry ChiCTR2000029091, 2020-01-12.
Highlights
The present study aimed to report a technically improved operation on the surgical exposure of labi‐ ally impacted maxillary canine, elaborating the management of soft tissue to achieve better aesthetic results, and post-treatment periodontal health
Using the open-eruption technique (OET) the crown remains clinically visible by the use of an apically repositioned gingival flap, or removal of covered mucoperiosteum to let the impacted tooth
We identified 24 consecutive patients (15 females and 9 males) with a mean age of 14.5 who underwent surgical exposure treatment for unilateral labially impacted maxillary canine and orthodontic treatment in the West China Hospital of stomatology (Fig. 1)
Summary
The present study aimed to report a technically improved operation on the surgical exposure of labi‐ ally impacted maxillary canine, elaborating the management of soft tissue to achieve better aesthetic results, and post-treatment periodontal health. The maxillary canines are crucial for maxillofacial aesthetics and dental occlusion. Their impaction, rare, can severely affect oral function, and an occlusal relationship that reduces the quality of life [1, 2]. Surgical flaps are repositioned leaving the crown invisible after soft tissues and bone tissue covering the crown are removed in CET [6]. Using the OET the crown remains clinically visible by the use of an apically repositioned gingival flap, or removal of covered mucoperiosteum to let the impacted tooth
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