Altered passive eruption Gummy smile Altered passive eruption Gummy smile Esthetic crown lengthening Crown lengthening surgery Piezosurgery
Conditions
Interventions
Test quadrants will be receiving osseous surgery with piezosurgery,Control quadrants will be receiving osseous surgery with rotary diamond burs
Experimental Procedure/Surgery,Active Comparator Procedure/Surgery
Osseous surgery with piezosurgery,Osseous surgery with rotary diamond burs
Sponsors
Faculty of Dentistry, Thammasat University
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 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.
Exclusion criteria
Exclusion criteria: 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.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| changes in mm between the position of the gingival margin between 6 weeks and 6 months following surgery mm | — |
Secondary
| Measure | Time frame |
|---|---|
| gingival display baseline and 6 months mm,radiographic bone changes baseline to 6 weeks and from 6 weeks to 6 months mm,supracrestal tissue dimension from baseline to 6 weeks and from 6 weeks to 6 months mm,patient-reported outcome measurements (PROMs) Before surgery, immediate following surgery, 6 months VAS 100,histological features Surgery Qualitative assessment ,Changes in mm between the position of the gingival margin between baseline and 6 weeks mm,Deviation in mm between the planned position and the actual gingival position between baseline and 6 weeks mm ,Lip mobility baseline and 6 months mm | — |
Countries
Thailand
Contacts
Public ContactKitichai Janaphan
FACULTY OF DENTISTRY THAMMASAT UNIVERSITY
Outcome results
None listed