Intrinsic factors that determine the health of soft periimplant tissues
1- Patients age
2- systemic health
3- periodontal status
4- Host resistance
5- Systemic disease
6- periodontal phenotype
7- pre-existing bone dehiscence
8- Vestibule deep
9- Aberrant frenulum
10- Thickness of attached gingiva
11- Apico-coronal dimensions of the attached gingiva