Table 1 Study schedule by procedures according to different time points

Informed Consent

X

Medical History

X

Inclusion / Exclusion Criteria

X

Continuance Criteria

X

X

X

X

X

Bracket Bonding in UPJ and LOJ

X

Oral Tissue Examination

X

X

X

X

X

X

Gingival Index

X

X

X

X

X

X

Plaque Index

X

X

X

X

X

X

GCF-Sample

X

X

X

X

X

X

Professional teeth cleaning

X

X

X

Oral Hygiene Instructions / Aid Distribution

X

X

X

Receipt Elmex Gelée

X

X

X

General Comments

X

X

X

X

X

X

Adverse Events

X

X

X

X

X