Please assess the completion status of the following clinical trial:

Trial Title: Oral Manifestations of Systemic Sclerosis

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

Eligibility Criteria:
Inclusion Criteria:~* Common inclusion criteria~* Males and females ≥ 18 years (18th birthday completed)~* Affiliation to a social security scheme~* Signed informed consent form prior to inclusion in the study~* More than 12 natural teeth suitable for evaluation~Inclusion criteria for systemic sclerosis patients~* Systemic sclerosis Inclusion criteria for control~* Subjet that underwent or must undergo an upper and a lower jaw bone Cone Beam Computed Tomography examination (impacted teeth assessment, implant treatment planning)~Exclusion Criteria:~Common exclusion criteria~* Overt acute or chronic infection (HIV, viral hepatitis...) known at the time of the oral examination~* Progressive neoplasia or neoplasia diagnosed within 2 years prior to the study~* Ongoing antibiotic treatment or within 3 months before oral examination~* Individuals at risk of infective endocarditis~* Oral antiseptics within the week before oral examination (chlorhexidine mouthwashes...)~* Periodontal specialized treatments, root scaling/root planning or periodontal surgical treatment within the year before oral examination~* Ongoing medical treatment inducing a significant modification of the gingival state (anti-epileptic drugs...)~* Smoking (≥ 10 cigarettes per day)~* Pregnancy female subjects (positive urine pregnancy test)~* Lactating female subjects~* Impossibility to provide accurate informations (emergency situation, comprehension difficulties...)~Exclusion criteria for systemic sclerosis patients~* Patient currently involved in an other clinical trial (drug) or in an exclusion period following participation in another clinical trial~* Other associated systemic auto-immune disease (Sjögren syndrome with positive serum anti-SSA and/or anti-SSB auto-antibodies, systemic lupus erythematosus...)~* Progressive chronic illness other than systemic sclerosis (diabetes...)~* Immunosuppressive therapy during the last month~* Corticosteroid ≥10 mg/day during the last month~* Hematopoietic stem cell transplant recipient~* Another cause of skin sclerosis (radiotherapy on the oro-facial region...)~Exclusion criteria for control~* Systemic chronic or evolutive illness at the time of the inclusion~* Progressive pathology involving the maxilla or the mandible at the time of the inclusion (tumor...)~* Ongoing treatment with corticsteroids or non-steroidal anti-inflammatory drugs

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

Study Arms:
- Measurement of the periodontal ligament space (Type: OTHER): Evaluation of the width of the ligament in patients with SSc and comparison to the width found in control.
- Radiographic analysis of oro-facial manifestations (Type: OTHER): Establishment of a complete clinical phenotypic description of oral manifestations associated with SSc and comparison with the control group.

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

Answer: outcome: terminate
termination_type: enrollment issues