periostitis tooth - lump on gum above tooth. medically accurate dental 3d

abscess accurate ache apex canal caries clinic cross cyst cystectomy damage dead defense dental denture disease drill enamel fistula gum human illustration infection inflammation lump medically molar nerve pain periodontal periodontitis periostitis problem process prosthesis protect protection pulp pulpitis purulent pus render root section sick structure teeth temporary tool tooth treat treatment