View clinical trials related to Excessive Gingival Display.
Filter by:The growing interest of patients in esthetic procedures, as well as the development of less invasive protocols in dentistry, has promoted the development of treatment plans that include stability, harmony, and function in orofacial rehabilitation. Poor esthetics interfere with an individual's personal, social, and professional relationships and is an individual consideration that varies according to the patient's age, time, region, and culture concerning what is considered beautiful.
The goal of this clinical trial is to compare the effect of EMG-guided Botox injection with conventional Botox injection in Yonsei point, in patients with excessive gingival display. The main question it aims to answer is: • Does the use of electromyography (EMG) as a guide during Botox injection for patients with gummy smile has better effect than conventional injection in Yonsei point? Participants will be randomized in equal proportions between intervention and control groups. - Preoperative assessment of amount of gingival display, lip length (philtrum and vermilion length), and smile type. - For the intervention group, EMG readings will be done in Clinical Neurophysiology Department, Kasr Al-Ainy Hospital EMG-guided Botox injection (Intervention group). Conventional Botox injection in Yonsei point (Control group).
The aim of the current study is to evaluate the use of a PEEK shell placed in the anterior maxilla placed by tunnel technique in decreasing the gingival display
It has been noted since the start of using botulinum toxin for both medical and cosmetic indications that some patients simply don't achieve the responses to the drug that others do, leading to increased dose requirements and more frequent treatments. It was from this observation that researchers started to look at the zinc levels of patients and consider the concept of supplementation. In a recent systematic review, it was reported that there is very scant evidence to determine the exact clinical effects and duration of BTX-A when injected to treat gummy smile patients. Therefore, the investigators want to administrate of zinc supplements to patients prior to BTX-A injection to study if it will enhance its clinical effects, since it is from the zinc dependent metalloprotease family, where for each botulinum toxin molecule to be effective in paralyzing a muscle response it must be associated with a molecule of zinc which could be found within the cells of the body. Participants with esthetic concern of excessive gingival display who meets the inclusion criteria will be assigned randomly and blindly to one of the 2 groups. Patients in the intervention group will take zinc supplement tablets to increase zinc levels for 4 days before botulinum toxin injections. While patients in the control group will take placebo tablets 4 days prior to the injections. All tablets will be placed in envelopes for blinding the operator, and numbered by a supervisor to allocate patients again in their groups for statistical results. Botulinum toxin type A will be injected in all patients at both sides into the "Yonsei point," (3Units) the point that would target 3 muscles responsible for upper lip elevation during smiling, including the LLSAN, in a single injection. This landmark was identified as the center of a triangle formed by the convergence of the LLSAN, the LLS, and the Zminor muscles and is located 1 cm lateral to the ala horizontally and 3 cm above the lip line vertically in both men and women. After 2 weeks the patients would come for an additional touch up dose (1 unit at each injection point).