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A full‐mouth set of radiographs was ordered. The periapical radiographs of the affected molars are shown in Figure 1.5.8. The radiographs show vertical bone defects around all first molars. The bone defects are confined to interproximal areas of the maxillary molars (involving the proximal furcations) and are circumferential in the mandibular molars involving the buccal or lingual furcation areas. Radiographs also revealed severe vertical bone loss in the maxillary and mandibular incisors (radiographs not shown).

Figure 1.5.6 Probing pocket depth measurements during phase 1 reevaluation. B, buccal; P, palatal; L, lingual.

Figure 1.5.7 Intraoral clinical photographs depicting deeper probing depth associated with maxillary and mandibular molars.

Figure 1.5.8 Periapical radiographs demonstrating the intrabony defects surrounding all four molars and the relatively normal premolars and second molars.