Journal of Prosthetic Dentistry · 1991 · 123 citations · 19 references
DentistryPeriodonticsPeriodontologyPeriodontal MedicinePeriodontal TherapyOral CareOral ConditionsOral HygienePeriodontal DiseasePeriodontal ExaminationPeriodontal Status EvaluationClinical Crown ExposureCrown Width MeasurementGingival Margin PositioningMarginsProbing Depth ChangesRestorative Margin Placement
19
Periodontal Disease in Pregnancy I. Prevalence and Severity
Harald Löe, John Silness · Acta Odontologica Scandinavica · 1963 · 7.2K citations · Full text
The Periodontal Disease Index (PDI)
Sigurd P. Ramfjord · The Journal of Periodontology · 1967 · 452 citations · Full text