Prognosis of periodontal

disease –أمراض اللثة –10سيمسيتر

16 /3 /2020

Determination of the prognosis

• Prognosis is determined after the diagnosis is

made and before treatment planning is

established.

Risk Vs. Prognosis

• Risk determines the susceptibility of the

individual to get the disease in a specified

period

• but prognosis determines the course and

outcome of the disease.

Types of prognosis:-based on tooth mortality

1. Good prognosis

2. Fair prognosis

3. Poor prognosis

4. Questionable prognosis

5. Hopeless prognosis

Types of prognosis:- according to Kwok and

Caton

1. Favorable prognosis

Types of prognosis:- according to Kwok and

Caton

2. Questionable prognosis

Types of prognosis:- according to Kwok and

Caton

3. Unfavorable prognosis

Types of prognosis:- according to Kwok and

Caton

4. Hopeless prognosis

Overall versus individual tooth

prognosis

Factors control the determination of the

prognosis:-

• I- Overall clinical factors:-

1- Patient age

I- Overall clinical factors:-

2. Disease severity

I- Overall clinical factors:-

3. Plaque Control

I- Overall clinical factors:-

4. Patient Compliance and Cooperation

II. Systemic and Environmental Factors

III. Local Factors

III. Local Factors

A. Plaque and calculus

III. Local Factors

B) Subgingival Restorations

III. Local Factors

C) Anatomic factors

III.Local Factors

D) Tooth mobility

IV. Prosthetic and Restorative Factors

IV.Prosthetic and Restorative Factors

A) Abutment selection

IV.Prosthetic and Restorative Factors

B) Caries, Nonvital teeth and root resorption

Prognosis for Patients with

Gingival Disease

Prognosis for Patients with Gingival Disease

1.Plaque induced gingivitis (associated with

plaque only)

Prognosis for Patients with Gingival Disease

II- Non – plaque induced gingivitis

Prognosis of patients with

periodontitis

Prognosis of patients with periodontitis:-

I- Chronic periodontitis

Prognosis of patients with periodontitis:-

II- Aggressive periodontitis

Prognosis of patients with periodontitis:-

III- Periodontitis as a manifestation of systemic

diseases

Prognosis of patients with periodontitis:-

IV- Necrotizing periodontal diseases: