MAXILLARY DENTUREPRIMARY STRESS-BEARING AREAPosterolateral slopes of the hard palatePRIMARY RELIEF AREASMid-palatine raphaeIncisive papilla- Why it needs relief? Contains nasopalatine nerve* & not incisive nerve OK!- When compressed, causes paresthesia of anterior palate*Rugae- Secondary relief – optional answer for primary relief OK!PRIMARY RETENTION AREAPost Palatal Seal areaTHE MOST IMPORTANT FACTOR PROVIDING RETENTION OF A CD IS THE PERIPHERAL SEAL.PP Seal: At the soft palateSOFT PALATE:- Supplied by the accessory nerve of the Vagus nerve- Thus any patient with vagus nerve damage – will not be able to record PPS – thus no retention here

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