ISCT西堀勉強会 Inter-disciplinary Study Club Tokyo

こんにちは　さいたま市なると歯科院長の小林成人です。

ISCT西堀勉強会　Inter-disciplinary Study Club Tokyoに参加して来ました。

今回は論文抄読。

１本目は　

Periodontal health and gingival diseases and conditions on an intact and a reduced periodontium: Consensus report of workgroup 1 of the 2017 World Workshop on the Classification of Periodontal and Peri-Implant Diseases and Conditions

Iain L.C. Chapple1Henrik Dommisch5Michael Glogauer9Georgia K. Johnson13Shinya Murakami17Dimitris N. Tatakis20Gernot Wimmer24

Brian L. Mealey2Peter Eickholz6
Moshe Goldstein10Yvonne Kapila14
Jacqueline Plemons18Wim Teughels21Pinelopi Xenoudi25

Thomas E. Van Dyke3Maria L. Geisinger7
Terrence J. Griffin11Niklaus P. Lang15

P. Mark Bartold4Robert J. Genco8
Palle Holmstrup12Joerg Meyle16

Giuseppe A. Romito19 Lior Shapira10Leonardo Trombelli22 Clemens Walter23Hiromasa Yoshie26

前回の続きで、AAPアメリカ歯周病学会が発表した新しい歯周病の分類の続きです。

健康な歯肉の定義と、歯肉炎の定義と分類についてでした。

1. Periodontal health2
   
   1. Clinical health on an intact periodontium
   2. Clinical gingival health on a reduced periodontium
      
      1. (i)  Stable periodontitis patient
      2. (ii)  Non-periodontitis patient
2. Gingivitis – dental plaque-induced: intact periodontium; reduced periodontium in non-periodontitis patient; reduced periodontium in successfully treated periodontitis patient.7
   
   1. Associated with biofilm alone
   2. Mediated by systemic or local risk factors

i.

Systemic risk factors (modifying factors)

1. (a)  Smoking
2. (b)  Hyperglycemia
3. (c)  Nutritional factors
4. (d)  Pharmacological agents (prescription, non-prescription and recreational)
5. (e)  Sex steroid hormones
   Puberty
   Menstrual cycle Pregnancy
   Oral contraceptives
6. (f)  Hematological conditions

Local risk factors (predisposing factors)
(a) Dental plaque biofilm retention factors (e.g., prominent restoration margins)

ii.

(b) Oral drynessC. Drug-influenced gingival enlargement
3. Gingival diseases – non–dental plaque-induced26A. Genetic/developmental disorders
i. Hereditary gingival fibromatosisaB. Specific infections

1. Bacterial origin
   
   1. (a)  Neisseria gonorrhoeaea
   2. (b)  Treponema palliduma
   3. (c)  Mycobacterium tuberculosisa
   4. (d)  Streptococcal gingivitis
2. Viral origin
   1. (a)  Coxsackie virus (hand-foot-and-mouth disease)a
   2. (b)  Herpes simplex I & II (primary or recurrent)a
   3. (c)  Varicella zoster (chicken pox & shingles – V nerve)a
   4. (d)  Molluscum contagiosuma
   5. (e)  Human papilloma virus (squamous cell papilloma; condyloma acuminatum; verruca vulgaris; focal epithelial hyperplasia)
      iii. Fungal origin
      (a) Candidosis

      
      

      

      (b) Other mycoses, e.g., histoplasmosis, aspergillosisC. Inflammatory and immune conditions

      1. Hypersensitivity reactions
         
         1. (a)  Contact allergya
         2. (b)  Plasma cell gingivitisa
         3. (c)  Erythema multiformea
      2. Autoimmune diseases of skin and mucous membranes
         
         1. (a)  Pemphigus vulgarisa
         2. (b)  Pemphigoida
         3. (c)  Lichen planusa
         4. (d)  Lupus erythematosusa
            Systemic lupus erythematosis Discoid lupus erythematosis
      3. Granulomatous inflammatory lesions (orofacial granulomatoses)

      (a) Crohn's diseasea

      (b) SarcoidosisaD. Reactive processes

      i. Epulides

      1. (a)  Fibrous epulis
      2. (b)  Calcifying fibroblastic granuloma
      3. (c)  Vascular epulis (pyogenic granuloma)
      4. (d)  Peripheral giant cell granulomaa

      5. Neoplasmsi. Premalignancy
         (a) Leukoplakia
         (b) Erythroplakiaii. Malignancy
         
         1. (a)  Squamous cell carcinomaa
         2. (b)  Leukemic cell infiltrationa
         3. (c)  Lymphomaa
            Hodgkin Non-Hodgkin
      6. Endocrine, nutritional & metabolic diseases

      i. Vitamin deficienciesa

      (a) Vitamin C deficiency (scurvy)G. Traumatic lesions

      1. Physical/mechanical trauma
         
         1. (a)  Frictional keratosis
         2. (b)  Mechanically induced gingival ulceration
         3. (c)  Factitious injury (self-harm)
      2. Chemical (toxic) burn
      3. Thermal insults
         (a) Burns to gingiva

         H.

         Gingival pigmentationi. Melanoplakiaa

         2. Smoker's melanosis
         3. Drug-induced pigmentation (antimalarials,
            minocycline)
         4. Amalgam tattoo
            
            
            
            
            
            
            ２本目は
            Acute periodontal lesions (periodontal abscesses and necrotizing periodontal diseases) and endo-periodontal lesions

            David Herrera1 Belén Retamal-Valdes2 Bettina Alonso1 Magda Feres

            
            

            急性歯周炎（歯周膿瘍と壊死性歯周炎）とエンドペリオ病変についての各論でした。