Comparison of piezosurgery and burs in esthetic crown lengthening surgery of altered passive eruption: A split-mouth randomized controlled trial

Faculty of Dentistry, Thammasat University0 个研究点目标入组 15 人开始时间: 2023年10月2日最近更新: 2024年8月19日

适应症

试验速览

暂无简介。

•Systemically healthy male or female, aged more than 18 years old.
•Diagnosed with gummy smile which defined by when more than 2 mm of gingiva is displayed during full smile.
•Presented with more than 20 teeth in the mouth including six maxillary anterior teeth with at least one premolar.
•Controlled periodontal disease with no deep periodontal pocket (>4 mm) on maxillary anterior teeth.
•Diagnosed with Altered passive eruption (APE) which is defined by the gingival margin located at a more coronal level in which the distance from the gingival margin to the CEJ is more than 2 mm in >2 of the maxillary anterior teeth in both right and left quadrants.

•Presence of systemic conditions which contraindicated for oral surgery.
•Presence of uncontrolled or poorly controlled diabetes (HbA1c > 7%), insulin-dependent diabetes, osteoporosis, or immunosuppressed conditions.
•Presence of blood-related diseases.
•Alcoholism or drug abuse.
•Poor oral hygiene (%FMPS >25%).
•Currently undergoing orthodontic treatment.
•Use of medications known to cause drug-influenced gingival enlargement, anti-coagulants, anti-platelets, immunosuppressants, corticosteroids, or bisphosphonates.
•Confirmed pregnancy or lactation.
•Heavy smoker (>10cigarettes per day).
•Patients with history of periodontal surgery around maxillary anterior teeth within the past 12 months.
•Presence of extensive restorative or crowns on maxillary anterior teeth.
•Presence of severe malalignment/malposition of maxillary anterior teeth.

发起方

Faculty of Dentistry, Thammasat University