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This Concept Map, created with IHMC CmapTools, has information related to: Sheila part copy - PONTIC CLASSIFICATION, Sanitary Contraindication Where esthetics is importsnt, a broad, flat ridge which gives the appearance that it is growing from the ridge, Characteristics it is a round-end design, easier to use because the backing is custom made for a space wherein there is no need to adapt a premade porcelain facing to the space, All-Metal Pontics used when hygienic pontic design is used, cleaning devices passed under the pontic how seesawed in a shoshine manner, Indications used when patient has a high smile line, Excessive thickness of porcelain which is often true in the cervical portion of a pontic, voids at the porcelain- metal interface that reduce bond strength, Ovate in terms of Tissue-Contacting Segment, Lingual surface should have a slight deflective contour, when hygienic pontic design is used since both are used for teeth in the nonappearance zone, a slight deflective contour to prevent food impaction and minimize plaque accumulation., PONTIC CLASSIFICATION Depending on Mucosal Contact Modified Ridge Lap, Ridge contact it works well with a broad, flat ridge, Sanitary Advantage easier plaque control, avoid the junction including excursive and centric contacts that might deform the metal-ceramic interface, Metal-ceramic pontics Advantages easier to use because the backing is custom made for a space, Modified Ridge Lap in terms of Characteristics, the contour of the tissue-contacting area of the pontic should be convex, whenever possible even if a small amount of soft tissue on the ridge must be surgically removed to facilitate it.