Please assess the completion status of the following clinical trial:

Trial Title: Longevity and Effectiveness of Bleaching in Healthy and Smokers Patients

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Patients included in this study must be over 18 years with good general and oral health~* Free teeth having carious lesions and periodontal disease agree with the informed consent document~* The color of the upper anterior teeth is classified as A2 or greater value, according to the scale VITA Classical (Vita Zahnfabrik, Bad Sackingen, Germany) and the spectrophotometer Easyshade Vita (Vita Zahnfabrik, Bad Sackingen, Germany).~Exclusion Criteria:~* Have already made treatment tooth whitening~* Dental prosthesis having options at the upper front teeth~* Who are pregnant or lactating~* Presenting gingival recession~* Tooth sensitivity~* Endodontic treatment in anterior maxillary teeth~* Which have a severe internal coloring~* Cervical lesions carious~* Taking medications (AINES)~* Fixed orthodontic appliances~* Submit bruxism habits~* Having visible cracks in teeth~* Those who are not available to attend the controls.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- healthy patients bleaching (Type: ACTIVE_COMPARATOR): Healthy patients Peroxide Carbamide 10% - Dental bleaching treatment
- Smokers bleaching (Type: EXPERIMENTAL): smokers patients Peroxide Carbamide 10% - Dental bleaching treatment

Based on this trial design, predict the completion outcome and termination type (if applicable).