Your Mouth

Year Published: 1972

Format: 16mm

Sound: sound

Description: Examines many aspects of the development of the human mouth from babyhood to maturity. Describes the growth of temporary and permanent teeth, the function of gums, tongue, lips, muscles, nerves and peridontal membrance, the attack of tooth enamel by bacteria and acids and the importance of saliva as a protector. Discusses the part played by the mouth in more complex activities, such as taste, smell and speech.

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