Teeth with insufficient clinical crown length requiring surgical crown lengthening to facilitate restorative or prosthetic treatment. Crown Lengthening
Conditions
Interventions
Surgical crown lengthening performed using piezoelectric instruments for osteotomy and osteoplasty.,Surgical crown lengthening performed using standard rotary instruments for osteotomy and osteoplasty
Experimental Device,Active Comparator Device
Piezoelectric surgical instrumentation,Standard rotary surgical instrumentation
Sponsors
The Faculty of Dentistry, Srinakharinwirot University
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. aged 18 years or olde 2. presence of teeth requiring crown lengthening for restorative purposes 3. treated teeth and adjacent teeth with probing depth less than or equal 3 mm 4. clinically healthy gingiva according to the 2017 classification of periodontal diseases 5. adequate width of attached gingiva, with at least 2 mm remaining after gingival resection 6. tooth mobility not exceeding Grade 1 7. a post-surgical crown-to-root ratio not exceeding 1:1 without furcation involvement.
Exclusion criteria
Exclusion criteria: 1. previous surgical intervention at the study site 2. smoking or smoking cessation within less than 2 years before baseline examination 3. pregnancy or lactation 4. systemic conditions or contraindications that could affect surgery, wound healing, or bone metabolism 5. presence of a cardiac pacemaker.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Clinical parameters Baseline, immediately after surgery, 1 week, 2 weeks, 1 month, and 3 months postoperatively Clinical periodontal measurements using a UNC-15 periodontal probe and a customized acrylic stent with vertical grooves,Postoperative pain Immediately after surgery and daily for 7 postoperative days Visual Analog Scale | — |
Secondary
| Measure | Time frame |
|---|---|
| Relative radiographic interdental bone level Baseline, immediately after surgery, and 3 months postoperatively Standardized periapical radiographs using a customized acrylic stent | — |
Countries
Thailand
Contacts
Public ContactPiyarat Tomaneepitak
Faculty of Dentistry, Srinakharinwirot University, Bangkok, Thailand
Outcome results
None listed