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| Name | Class |
|---|---|
| Zimmer Biomet | INDUSTRY |
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Investigating different periodontal surgery techniques to treat gummy smile.
Participants will be subdivided into 3 (three) groups:
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Subjects with gummy smile and with upper lip hypermobility | Experimental | Periodontal plastic surgery for peek device implantation with 4 screws in the anterior maxillary area |
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| Subjects with gummy smile and with short teeth and upper lip hypermobility | Experimental | Gingivectomy/crown lengthening and device implantation in the anterior maxillary area. First crown lengthening procedure (CLP) will be performed creating a distance of 3mm between cementoenamel junction (CEJ). Next peek device will be position with 4 screws |
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| Patiens who refuse device implantation - control group | Experimental | Gingivectomy/crown lengthening procedure |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Peek device | Device | Participants with gummy smile will be recruited from the Dental Clinic of Instituto Universitário Egas Moniz |
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| Measure | Description | Time Frame |
|---|---|---|
| Change in Superior incisors proportion (height x length) | Superior incisors height and lenght | Baseline and week 24 |
| Change in Exposure of central incisors at rest | Measurement between incisal border of central incisors and the border of the lower lip during smile (in millimeters) | Baseline and week 24 |
| Change in Periodontal probing | Three probes (mesial, buccal and distal) for exposed teeth during smile | Baseline and week 24 |
| Change in Gengiva exposure at rest and forced smile | When lips are in rest position measure the amount of exposed gingiva and during a forced smile, make the same measure | Baseline and week 24 |
| Change in Interlabial space at rest | When in rest position, measure distance between lips | Baseline and week 24 |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Filipa Sousa | Contact | +351 915029812 | filipampsousa@gmail.com | |
| Ines Gomes | Contact | 212946748 | inesgomes.ciiem@egasmoniz.edu.pt |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Egas Moniz Cooperativa de Ensino Superior | Recruiting | Almada | 2800-288 | Portugal |
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| ID | Term |
|---|---|
| D016556 | Crown Lengthening |
| D005890 | Gingivectomy |
| ID | Term |
|---|---|
| D009971 | Orthodontics, Corrective |
| D009970 | Orthodontics |
| D003813 | Dentistry |
| D019647 | Oral Surgical Procedures |
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| Crown lengthening/gingivectomy | Other | Participante with gummy smile will be recruited from the Dental Clinic of Instituto Universitário Egas Moniz |
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| D013514 |
| Surgical Procedures, Operative |
| D010517 | Periodontics |