33. 1-Early loss of primary teeth 2-Prolonged retention of the primary teeth 3-Oral habits ( sucking)
34. Where the anterior relationship is normal ,an open-bite of this type may be self - correcting ,provided that the child ceases his sever sucking habit by the age of 4 years
45. A harmonious balance between the oral and facial musculature and the teeth are very important .
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58. Lateral&other abnormal shifts of the mandible ( protrusion) may be observed by the examiner when the patient is requested to occlude the teeth from the rest position of the mandible.
59. An occlusion that is considered normal at the age of 18 years cannot be considered normal for the same individual at the age of 40 or 50y . Physiologic & pathologic process Mamelons(incisal wear),second molars(increse the width of the alveolar arches)
61. It is a systematic examination of the anatomy and function of the masticatory system with special consideration given to functional disturbances and pathologic changes in the periodontium,teeth,joint,and muscles of mastication
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65. Pain in and around the joints Restriction of mandibular movements Tenderness of masticatiory muscles Clicking noises in the joints
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71. Sharpnes,flatness,height and relation to the opposing arches, nasal spine,zygomatic process of the maxilla,hamulus,mental foramen, buccal vestibule,retromolar area, genial tubercles,mylohyoid line,tongue,floor of the mouth
72. The main difference lies in the analysis. the analysis of the areas to recive dentures relates to effective impressions for adequate construction of the denture base wheres the analysis of denture bearing areas relates to dentures already in use .